/* ==========================================================================
   1. RESET & VARIÁVEIS GERAIS
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

/* Tema padrão (colorido) */
:root {
  --bg: #0d0f14;
  --bg2: #161920;
  --bg3: #1e2229;
  --border: #2a2e38;
  --text: #f0f2f7;
  --text2: #8b90a0;
  --text3: #555c6e;
  --accent: #6c63ff;
  --accent-hover: #7c74ff;
  --accent-soft: rgba(108, 99, 255, 0.12);
  --danger: #ff4757;
  --success: #2ed573;
  --warning: #ffa502;

  --sidebar-w: 280px;
  --topbar-h: 65px;
  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 10px 30px rgba(0,0,0,0.5);

  --font-head: 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  /* Cores de Matérias */
  --c1: #6c63ff; --c2: #ff6584; --c3: #38ef7d; --c4: #ff9f43; --c5: #00d2ff;
}

/* ── Tema Dark Abyss — só preto, roxo e branco ──────────────────────────────── */
[data-theme="dark"] {
  --bg: #000000;
  --bg2: #0a0a0a;
  --bg3: #111111;
  --border: #1e1e1e;
  --text: #ffffff;
  --text2: #666666;
  --text3: #333333;
  --accent: #7c6fff;
  --accent-hover: #9b91ff;
  --accent-soft: rgba(124, 111, 255, 0.12);
  --danger: #7c6fff;
  --success: #7c6fff;
  --warning: #9b91ff;
  --shadow: 0 8px 32px rgba(0,0,0,0.95);
  --c1: #7c6fff; --c2: #7c6fff; --c3: #7c6fff; --c4: #7c6fff; --c5: #7c6fff;
}

/* ── Tema Light Neutro ──────────────────────────────────────────────────────── */
[data-theme="light"] {
  --bg: #f5f5f4;
  --bg2: #ffffff;
  --bg3: #efefed;
  --border: #e0dedd;
  --text: #1c1b1a;
  --text2: #78716c;
  --text3: #a8a29e;
  --accent: #44403c;
  --accent-hover: #1c1b1a;
  --accent-soft: rgba(68, 64, 60, 0.08);
  --danger: #dc2626;
  --success: #16a34a;
  --warning: #d97706;
  --shadow: 0 4px 16px rgba(0,0,0,0.1);
  --c1: #44403c; --c2: #78716c; --c3: #57534e; --c4: #a8a29e; --c5: #6b7280;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
}

a { color: inherit; text-decoration: none; }

.page-content {
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
}

.greeting-kicker {
  font-size: 12px;
  letter-spacing: 0.14em;
  font-weight: 600;
  color: rgba(108, 99, 255, 0.95);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.greeting-title {
  font-family: var(--font-head);
  font-size: clamp(26px, 5vw, 36px);
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}

.dashboard-hero {
  padding: 4px 0 6px;
}

.dashboard-widgets {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 12px 0 20px;
}

.widget {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 16px 16px 14px;
}

.widget h3 {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text2);
  margin-bottom: 12px;
}

.section-block {
  margin-top: 18px;
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.section-header h3 {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text);
}

.text-btn {
  color: rgba(108, 99, 255, 0.95);
  font-weight: 600;
  cursor: pointer;
  padding: 8px 10px;
  border-radius: 10px;
}

.text-btn:hover {
  background: rgba(108,99,255,0.10);
}

.list-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.empty-state {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 22px 18px;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 10px;
}

.empty-state svg {
  width: 64px;
  height: 64px;
  opacity: 0.35;
  color: rgba(240,242,247,0.75);
}

.empty-state p {
  color: var(--text2);
  font-weight: 600;
}

.empty-state button {
  margin-top: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(108,99,255,0.55);
  background: rgba(108,99,255,0.08);
  color: rgba(210, 208, 255, 0.98);
  font-weight: 600;
  cursor: pointer;
}

.empty-state button:hover {
  background: rgba(108,99,255,0.13);
  border-color: rgba(108,99,255,0.75);
}

/* ==========================================================================
   MODAL / OVERLAY / TOAST
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 8000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(0,0,0,0.62);
  backdrop-filter: blur(6px);
}

.modal-overlay.open {
  display: flex;
}

.modal {
  width: min(520px, 100%);
  max-height: min(78vh, 720px);
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(22,25,32,0.92);
  box-shadow: 0 24px 60px rgba(0,0,0,0.6);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 14px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.modal-header h3 {
  font-family: var(--font-head);
  font-size: 16px;
  letter-spacing: -0.01em;
}

.modal-body {
  padding: 14px;
  overflow: auto;
  max-height: calc(78vh - 54px);
}

.form-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text2);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-select,
.form-textarea {
  background: var(--bg3);
  border: 1px solid var(--border);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  color: var(--text);
  outline: none;
}

.form-textarea {
  resize: vertical;
}

.form-select:focus,
.form-textarea:focus {
  border-color: rgba(108,99,255,0.85);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%) translateY(10px);
  background: rgba(22,25,32,0.92);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 999px;
  box-shadow: 0 16px 44px rgba(0,0,0,0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 9000;
  font-weight: 600;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ==========================================================================
   2. TELA DE CARREGAMENTO (SPLASH)
   ========================================================================== */
.splash-screen {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.splash-screen.hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.spinner {
  width: 45px;
  height: 45px;
  border: 4px solid var(--accent-soft);
  border-top: 4px solid var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 20px;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ==========================================================================
   3. AUTENTICAÇÃO (O QUE ESTAVA "BUGADO")
   ========================================================================== */
#auth-screen {
  min-height: 100vh;
  width: 100vw;
  display: flex; /* CRUCIAL: Ativa o alinhamento */
  align-items: center; /* Centraliza verticalmente */
  justify-content: center; /* Centraliza horizontalmente */
  padding: 20px;
  background: var(--bg);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 5000;
}

.auth-container {
  background: var(--bg2);
  width: 100%;
  max-width: 400px;
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  text-align: center;
}

.auth-header h1 {
  font-family: var(--font-head);
  font-size: 2.5rem;
  color: var(--accent-text);
  margin-bottom: 5px;
  letter-spacing: -1px;
}

.auth-header p {
  color: var(--text2);
  font-size: 0.9rem;
  margin-bottom: 30px;
}

.auth-tabs {
  display: flex;
  background: var(--bg3);
  padding: 5px;
  border-radius: 12px;
  margin-bottom: 25px;
  gap: 5px;
}

.auth-tabs button {
  flex: 1;
  padding: 10px;
  background: transparent;
  color: var(--text2);
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.3s;
}

.auth-tabs button.active {
  background: var(--accent);
  color: white;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
  text-align: left;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
}

.form-input {
  background: var(--bg3);
  border: 1px solid var(--border);
  padding: 12px 15px;
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 1rem;
  outline: none;
}

.form-input:focus {
  border-color: var(--accent);
}

.reg-username-wrap {
  display: flex; align-items: stretch;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  overflow: hidden; transition: border-color 0.15s;
}
.reg-username-wrap:focus-within { border-color: var(--accent); }
.reg-username-at {
  padding: 0 12px; font-size: 15px; font-weight: 600;
  color: var(--accent-text); background: rgba(108,99,255,0.1);
  border-right: 1px solid var(--border);
  display: flex; align-items: center; flex-shrink: 0;
}
.reg-username-input {
  border: none !important; border-radius: 0 !important;
  flex: 1; min-width: 0;
}
.reg-username-feedback {
  font-size: 12px; min-height: 15px; margin-top: 2px;
}
.reg-username-feedback.ok    { color: #2ed573; }
.reg-username-feedback.error { color: #ff4757; }

.btn-primary {
  background: var(--accent);
  color: white;
  padding: 15px;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  margin-top: 10px;
  transition: 0.3s;
  width: 100%;
  box-sizing: border-box;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

.auth-error {
  color: #ff4757;
  font-size: 13px;
  font-weight: 600;
}

.auth-forgot-link {
  background: none; border: none; padding: 0;
  color: #fff; font-size: 13px; font-weight: 600;
  cursor: pointer; text-decoration: underline;
  text-underline-offset: 2px; transition: opacity 0.15s;
}
.auth-forgot-link:hover { opacity: 0.75; }

.forgot-box {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px; padding: 14px;
  display: flex; flex-direction: column; gap: 6px;
}
.forgot-title { font-size: 14px; font-weight: 600; color: var(--text); }
.forgot-desc  { font-size: 12px; color: var(--text2); line-height: 1.5; }
.forgot-feedback { font-size: 12px; min-height: 15px; }
.forgot-feedback.ok    { color: #2ed573; }
.forgot-feedback.error { color: #ff4757; }

.forgot-cancel-btn {
  flex: 1; padding: 15px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06); border: 1px solid var(--border);
  color: var(--text2); font-size: 1rem; font-weight: 600;
  cursor: pointer; transition: background 0.15s; box-sizing: border-box;
}
.forgot-cancel-btn:hover { background: rgba(255,255,255,0.1); color: var(--text); }

/* ==========================================================================
   4. LAYOUT DO APP PRINCIPAL (SIDEBAR & CONTEÚDO)
   ========================================================================== */
#main-app {
  display: flex;
  height: 100vh;
}

.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 900;
  touch-action: none;
}

.sidebar-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

body.sidebar-open {
  overflow: hidden;
  overscroll-behavior: none;
}

.sidebar {
  width: var(--sidebar-w);
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
  z-index: 1000;
}

.sidebar-header {
  padding: 25px;
  border-bottom: 1px solid var(--border);
}

.close-sidebar {
  margin-left: auto;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 40px;
  height: 40px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

.user-info .user-name {
  font-weight: 600;
  color: var(--text);
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text2);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.icon-btn:hover {
  background: var(--accent-soft);
  color: var(--text);
  transform: translateY(-1px);
}

.icon-btn svg {
  width: 18px;
  height: 18px;
}

.icon-btn-small {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text2);
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bg3);
}

.icon-btn-small:hover {
  color: var(--text);
  border-color: var(--text3);
}

.sidebar-nav {
  padding: 10px 10px 6px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-item {
  width: 100%;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text2);
  cursor: pointer;
  font-weight: 600;
  border-radius: 12px;
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
}

.nav-item.active, .nav-item:hover {
  color: white;
  background: var(--accent-soft);
  border-color: rgba(255,255,255,0.06);
}

.nav-icon {
  width: 28px;
  height: 28px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg3);
  border: 1px solid var(--border);
  font-size: 14px;
  flex: 0 0 auto;
}

.sidebar-section {
  padding: 14px 14px 10px;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--text2);
  margin-bottom: 10px;
}

.subjects-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 240px;
  overflow: auto;
  padding-right: 4px;
}

.subject-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 10px;
  border-radius: 12px;
  cursor: pointer;
  color: var(--text2);
  background: transparent;
  border: 1px solid rgba(255,255,255,0.04);
}

.subject-item:hover {
  background: rgba(255,255,255,0.03);
  color: var(--text);
}

.subject-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
}

.subject-name { font-weight: 600; }

/* ── Theme Switcher ─────────────────────────────────────────────────────────── */
.sidebar-theme {
  padding: 10px 14px 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-theme-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text3);
}
.theme-switcher {
  display: flex;
  gap: 8px;
}
.theme-btn {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  padding: 0;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: border-color 0.2s, transform 0.15s;
}
.theme-btn:hover { transform: scale(1.1); }
.theme-btn.active { border-color: var(--accent); }
.theme-dot {
  width: 18px; height: 18px;
  border-radius: 50%;
  display: block;
}

.sidebar-footer {
  margin-top: auto;
  padding: 14px;
  border-top: 1px solid rgba(255,255,255,0.04);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sync-status-container {
  display: flex;
  align-items: center;
  color: var(--text2);
  font-size: 12px;
  font-weight: 600;
}

.logout-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg3);
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
}

.logout-btn:hover {
  border-color: var(--text3);
}

.main-content {
  flex: 1;
  overflow-y: auto;
  padding: 18px 22px 30px;
  background: var(--bg);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 6px 10px 0;
  margin-bottom: 14px;
  background: linear-gradient(to bottom, rgba(0,0,0,0.98), rgba(0,0,0,0.85));
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.page-title {
  font-family: var(--font-head);
  font-size: 18px;
  letter-spacing: -0.2px;
  font-weight: 600;
  margin-right: auto;
}

.page {
  display: none;
  animation: fadeIn 0.3s ease;
}

.page.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   5. COMPONENTES (CARDS, FLASHCARDS, ETC)
   ========================================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.stat-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 12px 10px;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  transition: border-color 0.15s ease, background 0.15s ease;
  cursor: pointer;
}

.stat-card:hover {
  background: rgba(255,255,255,0.045);
  border-color: rgba(255,255,255,0.10);
}

.stat-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.stat-i-classes { background: rgba(0, 210, 255, 0.1); border: 1px solid rgba(0, 210, 255, 0.2); color: rgba(0, 210, 255, 0.9); }
.stat-i-tasks   { background: rgba(255, 159, 67, 0.1); border: 1px solid rgba(255, 159, 67, 0.2); color: rgba(255, 159, 67, 0.9); }
.stat-i-exams   { background: rgba(255, 101, 132, 0.1); border: 1px solid rgba(255, 101, 132, 0.2); color: rgba(255, 101, 132, 0.9); }

.stat-meta {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.stat-value {
  font-family: var(--font-head);
  font-size: 22px;
  color: var(--text);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
}

.stat-label {
  color: var(--text2);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

/* Flashcards */
.flashcards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.flashcard {
  perspective: 1000px;
  height: 200px;
}

.flashcard-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.flashcard.flipped .flashcard-inner {
  transform: rotateY(180deg);
}

.fc-front, .fc-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  border-radius: var(--radius);
  background: var(--bg2);
  border: 1px solid var(--border);
}

.fc-back {
  background: var(--accent);
  color: white;
  transform: rotateY(180deg);
}

/* Botão Flutuante (FAB) */
.fab {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: var(--shadow);
}

/* ==========================================================================
   6. RESPONSIVIDADE E STATUS
   ========================================================================== */
@media (max-width: 768px) {
  #main-app {
    display: block;
    height: auto;
    min-height: 100vh;
  }

  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    padding: 14px 14px 26px;
  }

  .topbar {
    padding-left: 6px;
  }

  .dashboard-widgets {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 14px;
  }
}

.offline-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 3000;
  display: none;
  background: var(--warning);
  color: #111;
  text-align: center;
  padding: 10px 12px;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

#sync-indicator {
  display: none;
}

#sync-indicator.spinning {
  animation: spin 1s linear infinite;
}
/* ==========================================================================
   COLOR PICKER (MATÉRIAS)
   ========================================================================== */
.color-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 6px 0;
}

.color-swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  border: 3px solid transparent;
  outline: 2px solid transparent;
  transition: transform 0.15s ease, outline 0.15s ease, border-color 0.15s ease;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  -webkit-tap-highlight-color: transparent;
}

.color-swatch:hover {
  transform: scale(1.15);
}

.color-swatch.selected {
  border-color: #fff;
  outline: 2px solid rgba(255, 255, 255, 0.55);
  transform: scale(1.18);
  box-shadow: 0 0 0 4px rgba(108, 99, 255, 0.35);
}

/* ==========================================================================
   INSTALL BANNER (PWA)
   ========================================================================== */
.install-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 16px 20px 20px;
  box-shadow: 0 -8px 32px rgba(0,0,0,0.5);
  animation: slideUp 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes slideUp {
  from { transform: translateY(100%); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

.install-banner-content {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.install-banner-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  flex-shrink: 0;
}

.install-banner-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.install-banner-text strong {
  font-family: var(--font-head);
  font-size: 1rem;
  color: var(--text);
}

.install-banner-text span {
  font-size: 0.82rem;
  color: var(--text2);
}

.install-banner-actions {
  display: flex;
  gap: 10px;
}

.install-btn-primary {
  flex: 1;
  padding: 12px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.install-btn-primary:hover {
  background: var(--accent-hover);
}

.install-btn-dismiss {
  padding: 12px 18px;
  background: transparent;
  color: var(--text2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

.install-btn-dismiss:hover {
  color: var(--text);
  border-color: var(--text3);
}
/* ==========================================================================
   CALENDÁRIO SEMANAL + CARDS DE AULA — PATCH
   ========================================================================== */

/* ── Esconde days-scroll original ── */
.days-scroll { display: none !important; }

/* ════════════════════════════
   CALENDÁRIO SEMANAL
   ════════════════════════════ */
.cal-wrap {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 14px 10px 10px;
  margin-bottom: 20px;
}
.cal-month {
  text-align: center;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text2);
  margin-bottom: 12px;
}
.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
}
.cal-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 7px 2px 6px;
  border-radius: 12px;
  border: 1.5px solid transparent;
  background: transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
  -webkit-tap-highlight-color: transparent;
}
.cal-cell:active { transform: scale(0.92); }
.cal-cell:hover:not(.is-selected) { background: var(--bg3); }

.cal-dow {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text3);
}
.cal-num {
  font-size: 17px;
  font-weight: 600;
  color: var(--text2);
  line-height: 1;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.15s, color 0.15s;
}
.cal-pip {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: transparent;
}
.cal-pip.has-classes {
  background: var(--accent);
  opacity: 0.7;
}

/* Hoje */
.cal-cell.is-today .cal-dow { color: var(--accent-text); }
.cal-cell.is-today .cal-num { color: var(--accent-text); }

/* Selecionado */
.cal-cell.is-selected {
  background: var(--accent-soft);
  border-color: rgba(108,99,255,0.3);
}
.cal-cell.is-selected .cal-dow { color: var(--accent-text); }
.cal-cell.is-selected .cal-num {
  background: var(--accent);
  color: #fff;
}
.cal-cell.is-selected .cal-pip.has-classes {
  background: #fff;
  opacity: 1;
}

/* Hoje selecionado */
.cal-cell.is-today.is-selected .cal-num {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 0 3px rgba(108,99,255,0.25);
}

/* ════════════════════════════
   BLOCOS MANHÃ/TARDE/NOITE
   ════════════════════════════ */
.sched-block { margin-bottom: 22px; }
.sched-block-hd {
  display: flex;
  align-items: center;
  gap: 7px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 10px;
  font-size: 11px;
}
.sched-block-name {
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text2);
}
.sched-block-ct {
  margin-left: auto;
  color: var(--text3);
  font-weight: 600;
}

/* ════════════════════════════
   CARDS DE AULA
   ════════════════════════════ */
.cls-card {
  display: flex;
  align-items: stretch;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 10px;
  transition: transform 0.15s, box-shadow 0.15s;
}
.cls-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}
.cls-card--live {
  border-color: rgba(108,99,255,0.3);
  box-shadow: 0 0 0 1px rgba(108,99,255,0.12);
}
.cls-card-bar {
  width: 4px;
  flex-shrink: 0;
}
.cls-card-body {
  flex: 1;
  padding: 13px 12px 11px;
  min-width: 0;
}
.cls-card-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 5px;
}
.cls-card-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cls-live-chip {
  flex-shrink: 0;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.07em;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(46,213,115,0.15);
  color: var(--success);
  border: 1px solid rgba(46,213,115,0.3);
  animation: live-blink 2s ease-in-out infinite;
}
.cls-live-chip--ended {
  background: rgba(224,82,82,0.15);
  color: #e05252;
  border-color: rgba(224,82,82,0.3);
  animation: none;
}
@keyframes live-blink {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.55; }
}
.cls-card-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.cls-meta {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--text2);
  font-weight: 500;
}
.cls-meta--dim {
  color: var(--text3);
  font-size: 11px;
}
.cls-progress {
  height: 3px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 9px;
}
.cls-progress-fill {
  height: 100%;
  border-radius: 999px;
  opacity: 0.85;
  transition: width 30s linear;
}
.cls-del-btn {
  flex-shrink: 0;
  width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text3);
  border-left: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
}
.cls-del-btn:hover {
  color: var(--danger);
  background: rgba(255,71,87,0.06);
}
.cls-del-btn svg { width: 15px; height: 15px; }

/* ════════════════════════════
   ESTADO VAZIO
   ════════════════════════════ */
.sched-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 48px 24px;
  text-align: center;
}
.sched-empty-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: var(--bg3);
  display: flex;
  align-items: center;
  justify-content: center;
}
.sched-empty-icon svg { width: 24px; height: 24px; color: var(--text3); }
.sched-empty-title { font-size: 15px; font-weight: 600; color: var(--text); }
.sched-empty-sub   { font-size: 13px; color: var(--text2); }
.sched-empty-btn {
  margin-top: 6px;
  padding: 10px 22px;
  background: var(--accent-soft);
  color: var(--accent-text);
  border: 1px solid rgba(108,99,255,0.25);
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.sched-empty-btn:hover {
  background: rgba(108,99,255,0.2);
  border-color: rgba(108,99,255,0.4);
}
/* ===== DASHBOARD NEW COMPONENTS ===== */

/* Focus card */
.db-focus-block { margin-bottom: 14px; }
.db-focus-card {
  background: var(--surface);
  border-radius: 14px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.db-focus-badge {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: 6px;
  width: fit-content;
}
.db-focus-badge.live  { background: rgba(46,213,115,0.15); color: #2ed573; }
.db-focus-badge.ended { background: rgba(224,82,82,0.15);  color: #e05252; }
.db-focus-badge.next  { background: var(--accent-soft); color: var(--accent-text); }
.db-focus-name { font-size: 16px; font-weight: 600; color: var(--text); }
.db-focus-meta { font-size: 12px; color: var(--text2); display: flex; gap: 6px; flex-wrap: wrap; }
.db-focus-time { color: var(--accent-text); font-weight: 600; }
.db-focus-bar { height: 4px; background: var(--surface2); border-radius: 4px; overflow: hidden; margin-top: 4px; }
.db-focus-fill { height: 100%; border-radius: 4px; transition: width 1s linear; }

/* Overall pct badge */
.db-overall-pct { font-size: 12px; color: var(--text2); font-weight: 600; }

/* Subject progress */
.db-subject-progress { display: flex; flex-direction: column; gap: 10px; }
.db-subj-row { display: flex; align-items: center; gap: 8px; min-width: 0; }
.db-subj-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.db-subj-name { font-size: 13px; color: var(--text); min-width: 0; max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.db-subj-bar-wrap { flex: 1; height: 6px; background: var(--surface2); border-radius: 6px; overflow: hidden; }
.db-subj-bar-fill { height: 100%; border-radius: 6px; transition: width 0.4s ease; }
.db-subj-pct { font-size: 12px; color: var(--text2); min-width: 34px; text-align: right; font-weight: 600; }

/* Exam list — usa cls-card do cronograma, só adiciona estilos específicos */
.db-exams-list { display: flex; flex-direction: column; gap: 0; }
.exam-card-notes {
  font-size: 11px;
  color: var(--text2);
  margin-top: 5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.db-exam-badge {
  flex-shrink: 0;
  font-size: 10px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 7px;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.db-exam-urgent { background: rgba(255,80,80,0.15); color: #ff5050; }
.db-exam-soon   { background: rgba(255,165,0,0.15);  color: #ffa500; }
.db-exam-week   { background: rgba(108,99,255,0.12); color: var(--accent-text); }
.db-exam-ok     { background: var(--surface2);       color: var(--text2); }

/* Flashcards due */
.db-flashcards-due { }
.db-fc-ok { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text2); padding: 10px 0; }
.db-fc-summary { font-size: 14px; color: var(--text); margin-bottom: 8px; }
.db-fc-count { font-size: 22px; font-weight: 600; color: var(--accent-text); }
.db-fc-subjects { display: flex; flex-wrap: wrap; gap: 6px; }
.db-fc-chip { font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 8px; }

/* Empty small */
.db-empty-small { font-size: 13px; color: var(--text2); padding: 10px 0; }

/* ===== MATERIAIS — nova interface ===== */
.links-list { display: flex; flex-direction: column; gap: 10px; padding-bottom: 40px; }

.mat-block {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s;
}
.mat-block:hover { border-color: rgba(255,255,255,0.1); }

.mat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  cursor: pointer;
  user-select: none;
}
.mat-header-left { display: flex; align-items: center; gap: 10px; }
.mat-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.mat-name { font-size: 14px; font-weight: 600; letter-spacing: 0.03em; }
.mat-header-right { display: flex; align-items: center; gap: 6px; }
.mat-icon-btn {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px; color: var(--text2);
  transition: background 0.15s, color 0.15s;
}
.mat-icon-btn:hover { background: var(--bg3); color: var(--text); }
.mat-chevron { color: var(--text2); transition: transform 0.25s ease; flex-shrink: 0; }

.mat-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.2s;
}
.mat-body--open {
  max-height: 1200px;
  padding-bottom: 4px;
}

.mat-section {
  padding: 0 16px 16px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin-top: 0;
}
.mat-section + .mat-section { border-top: 1px solid var(--border); }

.mat-section-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text2);
  margin-bottom: 10px;
}

.mat-links-grid { display: flex; flex-wrap: wrap; gap: 7px; }
.mat-link-chip {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 11px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 12px;
  color: var(--text);
  transition: background 0.15s, border-color 0.15s;
  text-decoration: none;
}
.mat-link-chip:hover { background: rgba(255,255,255,0.07); border-color: rgba(255,255,255,0.15); }
.mat-link-domain { color: var(--text2); }
.mat-empty-hint { font-size: 12px; color: var(--text3); font-style: italic; }

/* Pasta local */
.mat-folder-zone { width: 100%; }
.mat-folder-empty {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 20px; border: 1.5px dashed var(--border); border-radius: 12px;
  color: var(--text2); font-size: 13px; text-align: center;
}
/* Resumos de IA na aba Materiais */
.mat-resumos-list { display: flex; flex-direction: column; gap: 6px; }
.mat-resumo-card {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 10px; background: rgba(138,43,226,0.06);
  border: 1px solid rgba(138,43,226,0.18); border-radius: 10px;
  cursor: pointer; transition: background 0.15s;
}
.mat-resumo-card:hover { background: rgba(138,43,226,0.12); }
.mat-resumo-info { display: flex; align-items: center; gap: 8px; min-width: 0; flex: 1; }
.mat-resumo-icon { font-size: 14px; flex-shrink: 0; }
.mat-resumo-text { display: flex; flex-direction: column; min-width: 0; }
.mat-resumo-titulo { font-size: 13px; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mat-resumo-date { font-size: 11px; color: var(--text2); margin-top: 1px; }
.mat-resumo-del {
  flex-shrink: 0; padding: 4px; background: transparent; border: none;
  color: var(--text2); cursor: pointer; border-radius: 6px; opacity: 0.5;
  transition: opacity 0.15s, background 0.15s;
}
.mat-resumo-del:hover { opacity: 1; background: rgba(255,71,87,0.12); color: #ff4757; }

.mat-btn-folder {
  margin-top: 4px;
  padding: 7px 16px;
  background: var(--accent-soft);
  border: 1px solid rgba(108,99,255,0.3);
  border-radius: 10px;
  color: var(--accent-text);
  font-size: 13px; font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.mat-btn-folder:hover { background: rgba(108,99,255,0.2); }

.mat-folder-toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  margin-bottom: 12px; flex-wrap: wrap;
}
.mat-folder-path { font-size: 12px; color: var(--text2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 60%; }
.mat-btn-sm {
  padding: 5px 10px; border-radius: 8px; font-size: 12px; font-weight: 600;
  background: var(--bg3); border: 1px solid var(--border); color: var(--text2);
  cursor: pointer; transition: background 0.15s;
}
.mat-btn-sm:hover { background: rgba(255,255,255,0.07); color: var(--text); }

.mat-files-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 10px;
}
.mat-file-card {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 10px 8px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 12px; cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  overflow: hidden;
}
.mat-file-card:hover { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.14); }
.mat-file-thumb {
  width: 56px; height: 56px; border-radius: 8px;
  background: var(--bg); display: flex; align-items: center; justify-content: center;
  overflow: hidden; flex-shrink: 0;
}
.mat-file-icon { font-size: 24px; }
.mat-file-name {
  font-size: 11px; color: var(--text2); text-align: center;
  word-break: break-all; line-height: 1.3;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  max-width: 100%;
}


/* ===== FLASHCARDS — Sticky Notes ===== */
.flashcards-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 18px;
  align-items: start;
}

.sn-card {
  position: relative;
  background: var(--sn-bg);
  color: var(--sn-text);
  border-radius: 4px 4px 4px 4px;
  box-shadow: 3px 4px 14px rgba(0,0,0,0.35), 0 1px 3px rgba(0,0,0,0.2);
  display: flex;
  flex-direction: column;
  min-height: 180px;
  transition: transform 0.15s, box-shadow 0.15s;
  overflow: hidden;
}
.sn-card:hover {
  transform: translateY(-3px) rotate(0.4deg);
  box-shadow: 5px 8px 22px rgba(0,0,0,0.4), 0 2px 6px rgba(0,0,0,0.25);
}
.sn-due {
  outline: 2.5px solid rgba(239,68,68,0.7);
  outline-offset: 1px;
}

/* Topo colorido */
.sn-top {
  background: var(--sn-sub);
  padding: 7px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  min-height: 30px;
}
.sn-subject {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: rgba(255,255,255,0.92);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sn-due-dot {
  font-size: 10px;
  color: #fee2e2;
  animation: sn-pulse 1.4s ease-in-out infinite;
}
@keyframes sn-pulse { 0%,100%{opacity:1} 50%{opacity:0.35} }
.sn-del-btn {
  width: 20px; height: 20px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}
.sn-del-btn:hover { background: rgba(0,0,0,0.2); color: #fff; }

/* Corpo */
.sn-body {
  flex: 1;
  cursor: pointer;
  position: relative;
  padding-bottom: 18px; /* espaço para a dobra */
}
.sn-front, .sn-back {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 12px 14px 10px;
  min-height: 140px;
  height: 100%;
}
.sn-text {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--sn-text);
  flex: 1;
  word-break: break-word;
}
.sn-answer {
  font-size: 13px;
  font-style: italic;
}
.sn-hint {
  font-size: 10px;
  color: rgba(0,0,0,0.38);
  align-self: flex-end;
  margin-top: 8px;
}

/* Botões de avaliação */
.sn-rating { width: 100%; }
.sn-rating-label {
  display: block;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(0,0,0,0.45);
  margin-bottom: 7px;
}
.sn-rating-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
}
.sn-rbtn {
  padding: 6px 4px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid rgba(0,0,0,0.15);
  background: rgba(255,255,255,0.55);
  color: rgba(0,0,0,0.7);
  transition: background 0.15s, transform 0.1s;
}
.sn-rbtn:hover { background: rgba(255,255,255,0.85); transform: scale(1.04); }
.sn-fail { border-color: rgba(239,68,68,0.4); }
.sn-hard { border-color: rgba(234,179,8,0.4); }
.sn-ok   { border-color: rgba(34,197,94,0.35); }
.sn-easy { border-color: rgba(99,102,241,0.4); }

/* Dobra no canto inferior direito */
.sn-fold {
  position: absolute;
  bottom: 0; right: 0;
  width: 22px; height: 22px;
  background: linear-gradient(225deg, rgba(0,0,0,0.18) 50%, var(--sn-fold) 50%);
  border-radius: 4px 0 4px 0;
}

@media (max-width: 480px) {
  .flashcards-list { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
}


/* ===== FLASHCARDS SOCIAL — Abas ===== */
.fctab-bar {
  display: flex;
  gap: 4px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 4px;
  margin-bottom: 16px;
}
.fctab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 8px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text2);
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
  position: relative;
}
.fctab:hover { background: var(--bg3); color: var(--text); }
.fctab.active { background: var(--accent); color: #fff; }
.fctab-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  background: #ef4444;
  color: #fff;
  border-radius: 99px;
  font-size: 10px;
  font-weight: 600;
}

.fc-panel { display: none; }
.fc-panel--active { display: block; }

.fc-personal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

.fc-private-notice {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--text2);
  background: var(--accent-soft);
  border-radius: 8px;
  padding: 5px 10px;
  margin: 6px 0 4px;
}
.fc-feed-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}
.fc-feed-desc { font-size: 12px; color: var(--text2); }
.fc-feed-refresh {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-text);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 8px;
  transition: background 0.15s;
}
.fc-feed-refresh:hover { background: var(--accent-soft); }
.fc-feed-loading, .fc-feed-empty {
  text-align: center;
  color: var(--text2);
  font-size: 13px;
  padding: 32px 0;
}

/* Autor no Feed Global */
.fc-author-avatar {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 600;
  flex-shrink: 0;
}
.fc-author-name {
  font-size: 12px; font-weight: 600;
  color: rgba(255,255,255,0.95);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.fc-own-badge {
  font-size: 9px; font-weight: 600;
  background: rgba(255,255,255,0.25);
  border-radius: 4px; padding: 1px 4px;
  vertical-align: middle; margin-left: 4px;
}

/* Ações dentro do card do feed */
.fc-feed-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.fc-like-btn, .fc-save-btn, .fc-del-feed-btn {
  padding: 5px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid rgba(0,0,0,0.15);
  background: rgba(255,255,255,0.55);
  color: rgba(0,0,0,0.7);
  transition: background 0.15s, transform 0.1s;
}
.fc-like-btn:hover, .fc-save-btn:hover, .fc-del-feed-btn:hover {
  background: rgba(255,255,255,0.85);
  transform: scale(1.04);
}
.fc-liked { border-color: rgba(239,68,68,0.5); }

/* Inbox tabs */
.fc-inbox-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}
.fc-itab {
  padding: 6px 16px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text2);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.fc-itab:hover { background: var(--bg3); color: var(--text); }
.fc-itab.active { background: var(--accent-soft); color: var(--accent-text); }

.sn-unread { outline: 2px solid var(--accent); outline-offset: 1px; }

/* ══════════════════════════════════════════════════════════════════════════════
   LIGHT THEME — overrides para elementos com cores hardcoded
   ══════════════════════════════════════════════════════════════════════════════ */
[data-theme="light"] .sidebar,
[data-theme="light"] .topbar {
  background: var(--bg2);
  border-color: var(--border);
}
[data-theme="light"] .nav-item:hover,
[data-theme="light"] .nav-item.active {
  background: var(--accent-soft);
}
[data-theme="light"] .card,
[data-theme="light"] .schedule-card,
[data-theme="light"] .task-item,
[data-theme="light"] .mat-block,
[data-theme="light"] .mat-file-card,
[data-theme="light"] .db-card {
  background: var(--bg2);
  border-color: var(--border);
}
[data-theme="light"] .modal {
  background: var(--bg2);
  border: 1px solid var(--border);
}
[data-theme="light"] .form-input,
[data-theme="light"] .form-textarea,
[data-theme="light"] .form-select {
  background: var(--bg3);
  border-color: var(--border);
  color: var(--text);
}
[data-theme="light"] .sidebar-footer {
  border-top-color: var(--border);
}
[data-theme="light"] .topbar {
  border-bottom-color: var(--border);
}
[data-theme="light"] .btn-secondary {
  background: var(--bg3);
  border-color: var(--border);
  color: var(--text);
}
[data-theme="light"] .logout-btn {
  background: var(--bg3);
  color: var(--text2);
}
[data-theme="light"] .logout-btn:hover {
  background: #fee2e2;
  color: var(--danger);
}

/* DARK THEME — ajustes pontuais */
[data-theme="dark"] .sidebar-footer {
  border-top-color: var(--border);
}
/* ── Dark theme: forçar preto/roxo/branco em tudo ───────────────────────────── */
[data-theme="dark"] .stat-i-classes,
[data-theme="dark"] .stat-i-tasks,
[data-theme="dark"] .stat-i-exams {
  background: rgba(124, 111, 255, 0.08);
  border: 1px solid rgba(124, 111, 255, 0.2);
  color: rgba(124, 111, 255, 0.9);
}

[data-theme="dark"] .db-exam-urgent,
[data-theme="dark"] .db-exam-soon {
  background: rgba(124, 111, 255, 0.1);
  color: #9b91ff;
}

[data-theme="dark"] .db-stat-next-card {
  border-left-color: #7c6fff;
}

[data-theme="dark"] .db-exam-card,
[data-theme="dark"] .db-task-item {
  border-left-color: #7c6fff;
}

[data-theme="dark"] [style*="color: var(--c"],
[data-theme="dark"] [style*="color:var(--c"] {
  color: #7c6fff !important;
}

/* ===== SETTINGS GEAR BUTTON ===== */
.settings-gear-btn {
  margin-left: auto;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text2);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.3s;
  flex-shrink: 0;
}
.settings-gear-btn:hover {
  background: var(--accent-soft);
  color: var(--accent-text);
  transform: rotate(45deg);
}
.settings-gear-btn svg { width: 18px; height: 18px; }

/* ===== ACCOUNT SETTINGS OVERLAY ===== */
.accs-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1100;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s;
}
.accs-overlay.active { opacity: 1; pointer-events: all; }

/* ===== ACCOUNT SETTINGS PANEL ===== */
.accs-panel {
  position: fixed;
  top: 0; left: 0;
  width: 100%; max-width: 420px;
  height: 100%;
  background: #1c1c1e;
  z-index: 1200;
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
  display: flex;
  flex-direction: column;
  overflow: hidden; /* sub-panel clipado dentro */
}
/* O scroll fica num wrapper interno no HTML — o painel em si não scrola */
.accs-panel-scroll {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.accs-panel.open { transform: translateX(0); }
.accs-panel.accs-sub {
  /* legado — não usado mais */
  display: none;
}

/* Sub-panel agora fica DENTRO do painel principal, como camada sobreposta */
.accs-sub-panel-inner {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: #1c1c1e;
  z-index: 10;
  transform: translateX(100%);
  transition: transform 0.28s cubic-bezier(0.4,0,0.2,1);
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
}
.accs-sub-panel-inner.open { transform: translateX(0); }

.accs-header {
  padding: 20px 20px 28px;
  background: #6c63ff;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  position: relative;
}

.accs-close-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.9);
  cursor: pointer;
  transition: background 0.2s;
}
.accs-close-btn:hover { background: rgba(255,255,255,0.15); }
.accs-close-btn svg { width: 20px; height: 20px; }

.accs-avatar-wrap {
  position: relative;
  margin-top: 4px;
}
.accs-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: rgba(255,255,255,0.22);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; font-weight: 600;
  color: #fff;
  overflow: hidden;
}
.accs-avatar img { width: 100%; height: 100%; object-fit: cover; }
.accs-avatar-edit {
  position: absolute; bottom: 2px; right: 2px;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: #222;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  border: 2px solid #6c63ff;
}
.accs-avatar-edit svg { width: 14px; height: 14px; stroke: #fff; }

.accs-display-name {
  font-size: 22px; font-weight: 600; color: #fff;
  margin-top: 2px;
}
.accs-email-display {
  font-size: 13px; color: rgba(255,255,255,0.85);
  margin-top: -8px;
}
.accs-username-tag {
  font-size: 13px; color: rgba(255,255,255,0.75);
  margin-top: -8px;
}

.accs-list {
  padding: 8px 0;
}
.accs-item {
  display: flex; align-items: center;
  gap: 14px;
  padding: 14px 20px;
  cursor: pointer;
  transition: background 0.15s;
}
.accs-item:hover { background: rgba(255,255,255,0.06); }
.accs-item-icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.accs-item-icon svg { width: 20px; height: 20px; stroke: #fff; }
.accs-item-text { display: flex; flex-direction: column; flex: 1; }
.accs-item-title { font-size: 15px; font-weight: 600; color: #fff; }
.accs-item-sub { font-size: 12px; color: rgba(255,255,255,0.45); margin-top: 2px; }
.accs-chevron { width: 16px; height: 16px; color: rgba(255,255,255,0.3); flex-shrink: 0; }
.accs-divider { height: 8px; background: #111; }

/* Sub-panel */
.accs-sub-header {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  background: #1c1c1e;
  position: sticky; top: 0; z-index: 1;
}
.accs-sub-title { font-size: 18px; font-weight: 600; color: #fff; }
.accs-sub-body { padding: 20px; display: flex; flex-direction: column; gap: 18px; flex: none; min-height: 0; }

/* Sub-panel form elements */
.accs-field { display: flex; flex-direction: column; gap: 6px; }
.accs-field label { font-size: 12px; font-weight: 600; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 0.5px; }
.accs-field input, .accs-field textarea {
  background: #2c2c2e; border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px; padding: 12px 14px;
  font-size: 15px; color: #fff;
  outline: none; transition: border 0.2s;
  font-family: inherit;
}
.accs-field input:focus, .accs-field textarea:focus { border-color: #6c63ff; }
.accs-field textarea { resize: vertical; min-height: 80px; }

.accs-save-btn {
  background: var(--accent); color: #fff;
  border-radius: 12px; padding: 13px;
  font-size: 15px; font-weight: 600;
  cursor: pointer; transition: opacity 0.2s, transform 0.15s;
  margin-top: 4px;
}
.accs-save-btn:hover { opacity: 0.9; transform: translateY(-1px); }

.accs-username-wrap {
  display: flex; align-items: center;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px; overflow: hidden; transition: border-color 0.15s;
}
.accs-username-wrap:focus-within { border-color: #6c63ff; }
.accs-username-at {
  padding: 0 10px; font-size: 15px; font-weight: 600;
  color: var(--accent-text); background: rgba(108,99,255,0.1);
  border-right: 1px solid rgba(255,255,255,0.08); line-height: 42px;
  flex-shrink: 0;
}
.accs-username-wrap input {
  background: transparent; border: none; padding: 10px 12px;
  color: var(--text); font-size: 14px; font-weight: 500; flex: 1;
  outline: none;
}
.accs-username-feedback {
  font-size: 12px; min-height: 16px; transition: color 0.15s;
}
.accs-username-feedback.error { color: #ff4757; }
.accs-username-feedback:not(.error) { color: #2ed573; }

.accs-info-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.07);
  font-size: 14px;
}
.accs-info-row span:first-child { color: rgba(255,255,255,0.5); }
.accs-info-row span:last-child { color: #fff; font-weight: 500; }

.accs-section-card {
  background: #2c2c2e; border-radius: 14px; padding: 16px;
  display: flex; flex-direction: column; gap: 12px;
}

.accs-danger-btn {
  background: transparent; border: 1.5px solid #e05252;
  color: #e05252; border-radius: 12px; padding: 12px;
  font-size: 14px; font-weight: 600; cursor: pointer;
  transition: background 0.2s;
}
.accs-danger-btn:hover { background: rgba(224,82,82,0.1); }

.accs-toggle-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 4px 0;
}
.accs-toggle-row span { font-size: 14px; color: #fff; }
.accs-toggle {
  width: 44px; height: 24px;
  background: var(--border); border-radius: 12px;
  position: relative; cursor: pointer; transition: background 0.2s;
}
.accs-toggle.on { background: var(--accent); }
.accs-toggle::after {
  content: ''; position: absolute;
  width: 18px; height: 18px; border-radius: 50%;
  background: #fff; top: 3px; left: 3px;
  transition: left 0.2s;
}
.accs-toggle.on::after { left: 23px; }

@media (min-width: 600px) {
  .accs-panel { border-right: 1px solid var(--border); }
}

/* ─── FEED DE POSTS ─────────────────────────────────── */
.feed-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.feed-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}
.feed-new-btn {
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 20px;
}
.feed-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.feed-loading,
.feed-empty {
  text-align: center;
  color: var(--text-muted, #888);
  padding: 32px 16px;
  font-size: 14px;
}
 
/* ─── POST CARD ─────────────────────────────────────── */
.post-card {
  background: var(--card-bg, var(--surface));
  border-radius: 14px;
  padding: 16px;
  border: 1px solid var(--border, rgba(255,255,255,0.07));
  transition: box-shadow 0.2s;
}
.post-card:hover {
  box-shadow: 0 4px 18px rgba(0,0,0,0.12);
}
.post-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.post-card-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent, #6c63ff);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 13px;
  flex-shrink: 0;
}
.post-card-meta {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}
.post-card-author {
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.post-card-date {
  font-size: 11px;
  color: var(--text-muted, #888);
}
.post-card-type-badge {
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 20px;
  background: var(--accent, #6c63ff)22;
  color: var(--accent, #6c63ff);
  flex-shrink: 0;
  font-weight: 600;
}
.post-card-body {
  font-size: 14px;
  color: var(--text);
  line-height: 1.55;
  margin-bottom: 12px;
  white-space: pre-wrap;
  word-break: break-word;
}
.post-card-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}
.post-action-btn {
  background: none;
  border: 1px solid var(--border, rgba(255,255,255,0.10));
  border-radius: 20px;
  padding: 5px 12px;
  font-size: 12px;
  color: var(--text-muted, #888);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  display: flex;
  align-items: center;
  gap: 5px;
}
.post-action-btn:hover {
  background: var(--accent, #6c63ff)15;
  color: var(--accent, #6c63ff);
}
.post-report-btn {
  margin-left: auto;
  color: #ff4757;
  border-color: #ff475722;
}
.post-report-btn:hover {
  background: #ff475715;
  color: #ff4757;
}
 
 
/* ─── USER CARD ─────────────────────────────────────── */
.user-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--card-bg, var(--surface));
  border-radius: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border, rgba(255,255,255,0.07));
  margin-bottom: 8px;
}
.user-card-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg3); color: var(--text);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  flex-shrink: 0;
}
.user-card-info {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}
.user-card-name {
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-card-inst,
.user-card-course {
  font-size: 11px;
  color: var(--text-muted, #888);
}
.user-card-btn {
  background: var(--accent, #6c63ff);
  color: #fff;
  border: none;
  border-radius: 20px;
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  flex-shrink: 0;
  transition: opacity 0.15s;
}
.user-card-btn:hover { opacity: 0.85; }
.user-card-btn.btn-secondary {
  background: var(--border, rgba(255,255,255,0.10));
  color: var(--text-muted, #888);
}
 
 
/* ─── GROUP CARD ─────────────────────────────────────── */
.group-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--card-bg, var(--surface));
  border-radius: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border, rgba(255,255,255,0.07));
  margin-bottom: 8px;
}
.group-card-info {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 2px;
}
.group-card-name {
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
}
.group-card-subject {
  font-size: 12px;
  color: var(--accent, #6c63ff);
  font-weight: 500;
}
.group-card-inst,
.group-card-members {
  font-size: 11px;
  color: var(--text-muted, #888);
}
.groups-header,
.discover-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.groups-title,
.discover-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}
 
 
/* ─── SOCIAL TABS ────────────────────────────────────── */
.social-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 18px;
  overflow-x: auto;
  scrollbar-width: none;
}
.social-tabs::-webkit-scrollbar { display: none; }
.social-tab-btn {
  background: none;
  border: 1.5px solid var(--border, rgba(255,255,255,0.10));
  border-radius: 20px;
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted, #888);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.social-tab-btn.active {
  background: var(--accent, #6c63ff);
  color: #fff;
  border-color: var(--accent, #6c63ff);
}
.social-tab-pane {
  display: none;
}
.social-tab-pane.active {
  display: block;
}
 
 
/* ─── NOTIFICAÇÕES ───────────────────────────────────── */
.notif-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: #ff4757;
  color: #fff;
  font-size: 9px;
  font-weight: 600;
  border-radius: 20px;
  padding: 1px 5px;
  min-width: 16px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  pointer-events: none;
}
.notif-panel-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 14px;
}
.notif-panel-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.notif-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--card-bg, var(--surface));
  border: 1px solid var(--border, rgba(255,255,255,0.07));
  cursor: pointer;
  position: relative;
}
.notif-item.notif-unread {
  background: var(--accent, #6c63ff)0f;
  border-color: var(--accent, #6c63ff)33;
}
.notif-icon {
  font-size: 18px;
  flex-shrink: 0;
}
.notif-label {
  font-size: 13px;
  color: var(--text);
  flex: 1;
}
.notif-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent, #6c63ff);
  flex-shrink: 0;
}
 
 
/* ─── ACHIEVEMENT TOAST ──────────────────────────────── */
.achievement-toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--warn);
  color: #1a1a1a;
  border-radius: 16px;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 8px 30px rgba(255,170,0,0.4);
  z-index: 9999;
  max-width: 320px;
  width: calc(100% - 40px);
  transition: transform 0.4s cubic-bezier(.34,1.56,.64,1), opacity 0.3s;
  opacity: 0;
  pointer-events: none;
}
.achievement-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.achievement-toast-icon {
  font-size: 28px;
  flex-shrink: 0;
}
.achievement-toast-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.achievement-toast-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.75;
}
.achievement-toast-name {
  font-size: 15px;
  font-weight: 600;
}
.achievement-toast-xp {
  font-size: 12px;
  font-weight: 600;
  color: #1a1a1a;
  background: rgba(255,255,255,0.4);
  border-radius: 20px;
  padding: 1px 8px;
  width: fit-content;
}
 
 
/* ─── SKILL BADGES ───────────────────────────────────── */
.skill-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border-radius: 20px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  margin: 3px;
  transition: opacity 0.15s;
}
.skill-badge-remove {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  opacity: 0.7;
  padding: 0 0 0 2px;
}
.skill-badge-remove:hover { opacity: 1; }
.skill-badge-empty {
  font-size: 12px;
  color: var(--text-muted, #888);
}
 
 
/* ─── PERFIL ACADÊMICO (form no painel de conta) ─────── */
.social-profile-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 4px 0;
}

/* ─── Campos do Perfil Acadêmico ─────────────────────────────────── */
.accs-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.accs-label {
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
  letter-spacing: 0.7px;
}
.accs-input {
  background: #2c2c2e;
  border: 1.5px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 15px;
  color: #fff;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  font-family: inherit;
  width: 100%;
  box-sizing: border-box;
}
.accs-input:focus {
  border-color: #6c63ff;
  box-shadow: 0 0 0 3px rgba(108,99,255,0.15);
}
.accs-input::placeholder { color: rgba(255,255,255,0.25); }
textarea.accs-input {
  resize: vertical;
  min-height: 80px;
  line-height: 1.5;
}

/* ─── Academic Profile Header Banner ─────────────────────────────── */
.accs-academic-banner {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 4px;
}
.accs-academic-banner-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 26px;
}
.accs-academic-banner-info {
  display: flex; flex-direction: column; gap: 2px;
}
.accs-academic-banner-title {
  font-size: 16px; font-weight: 600; color: #fff;
}
.accs-academic-banner-sub {
  font-size: 12px; color: rgba(255,255,255,0.6); line-height: 1.4;
}

/* ─── Skills tags ────────────────────────────────────────────────── */
.accs-skills-preview {
  display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px;
}
.accs-skill-tag {
  background: rgba(108,99,255,0.2);
  border: 1px solid rgba(108,99,255,0.35);
  border-radius: 20px;
  padding: 4px 10px;
  font-size: 12px;
  color: #a89dff;
  font-weight: 500;
}

/* ─── Save feedback ──────────────────────────────────────────────── */
.accs-save-feedback {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 13px; font-weight: 600;
  background: rgba(46,213,115,0.12);
  border: 1px solid rgba(46,213,115,0.25);
  color: #2ed573;
  animation: fadeIn 0.3s ease;
}
@keyframes fadeIn { from { opacity:0; transform:translateY(4px); } to { opacity:1; transform:translateY(0); } }

/* ═══════════════════════════════════════════════
   TURMAS POR MATÉRIA
   ═══════════════════════════════════════════════ */

/* ─── Aba Turmas: onboarding ─────────────────── */
.turmas-onboarding {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 24px;
  gap: 12px;
}
.turmas-onboarding-icon { font-size: 52px; }
.turmas-onboarding-title { font-size: 20px; font-weight: 600; color: var(--text); margin: 0; }
.turmas-onboarding-desc { font-size: 14px; color: var(--text2); max-width: 280px; margin: 0; line-height: 1.5; }
.turmas-onboarding-btn { margin-top: 8px; padding: 12px 28px; font-size: 15px; }

/* ─── Barra de perfil acadêmico ──────────────── */
.turmas-profile-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card);
  border-radius: 14px;
  padding: 12px 16px;
  margin-bottom: 16px;
  gap: 12px;
}
.turmas-profile-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.turmas-inst {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.turmas-course {
  font-size: 12px;
  color: var(--text2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.turmas-edit-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 12px;
  font-size: 12px;
  color: var(--text2);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s;
}
.turmas-edit-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ─── Lista de turmas ────────────────────────── */
.turmas-rooms-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.turmas-loading, .turmas-empty {
  text-align: center;
  padding: 32px 16px;
  color: var(--text2);
  font-size: 14px;
}
.turmas-empty button {
  margin-top: 8px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 13px;
  cursor: pointer;
}

/* ─── Card de turma ──────────────────────────── */
.turma-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card);
  border-radius: 16px;
  padding: 14px 16px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  gap: 12px;
}
.turma-card:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(108,99,255,0.15); }
.turma-card:active { transform: scale(0.98); }
.turma-card-left { display: flex; align-items: center; gap: 12px; min-width: 0; }
.turma-card-icon { font-size: 28px; flex-shrink: 0; }
.turma-card-info { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.turma-card-name { font-size: 15px; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.turma-card-code { font-size: 11px; color: var(--accent-text); font-weight: 600; }
.turma-card-members { font-size: 12px; color: var(--text2); }
.turma-card-arrow { font-size: 22px; color: var(--text2); flex-shrink: 0; }

/* ─── Formulário de onboarding (modal) ──────── */
.turmas-form { display: flex; flex-direction: column; gap: 14px; }
.turmas-subjects-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
  min-height: 32px;
  align-items: flex-start;
}
.turmas-no-subjects { font-size: 12px; color: var(--text2); align-self: center; }
.turmas-subject-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: #fff;
  border-radius: 20px;
  padding: 4px 10px 4px 12px;
  font-size: 13px;
  font-weight: 600;
}
.turmas-subject-chip button {
  background: none;
  border: none;
  color: rgba(255,255,255,0.8);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  padding: 0;
  margin: 0;
}
.turmas-subject-chip button:hover { color: #fff; }
.turmas-add-subject {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.turmas-add-subject .form-input { min-width: 80px; }

/* ─── Mural de matéria (dentro do modal) ────── */
.mural-container {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: 65vh;
  overflow: hidden;
}
.mural-new-post {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.mural-type-sel { font-size: 13px; padding: 6px 10px; }
.mural-textarea { min-height: 64px; resize: vertical; }
.mural-posts-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
  padding-right: 2px;
}
.mural-empty {
  text-align: center;
  padding: 24px;
  color: var(--text2);
  font-size: 14px;
}

/* ─── Post do mural ──────────────────────────── */
.mural-post {
  background: var(--card);
  border-radius: 14px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mural-post-header {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.mural-post-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.mural-post-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}
.mural-post-author { font-size: 13px; font-weight: 600; color: var(--text); }
.mural-post-badges { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.mural-post-type-badge {
  font-size: 10px;
  font-weight: 600;
  border-radius: 10px;
  padding: 2px 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.mural-post-time { font-size: 11px; color: var(--text2); }
.mural-del-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  opacity: 0.5;
  flex-shrink: 0;
  padding: 2px;
}
.mural-del-btn:hover { opacity: 1; }
.mural-post-content {
  font-size: 14px;
  color: var(--text);
  line-height: 1.55;
  word-break: break-word;
}
.mural-inline-link {
  color: var(--accent-text);
  text-decoration: underline;
  word-break: break-all;
}
.mural-post-img {
  width: 100%;
  max-height: 200px;
  object-fit: cover;
  border-radius: 10px;
}
.mural-post-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: #fff;
  border-radius: 10px;
  padding: 6px 12px;
  font-size: 13px;
  text-decoration: none;
  font-weight: 600;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.mural-post-actions { display: flex; gap: 8px; }
.mural-like-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 13px;
  cursor: pointer;
  color: var(--text2);
  transition: all 0.15s;
}
.mural-like-btn.liked {
  border-color: #ff6b81;
  color: #ff6b81;
  background: #ff6b8111;
}
.mural-like-btn:hover { opacity: 0.8; }

/* ── FACAPE + Settings improvements ─────────────────────────────────── */
.accs-toggle-row div > span:first-child { font-size: 14px; color: #fff; display: block; }
.accs-toggle-row div { flex: 1; }

.facape-status-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.facape-status-badge.connected { background: rgba(46,213,115,0.15); color: #2ed573; }
.facape-status-badge.disconnected { background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.5); }

/* ── Classroom modal: PDF link + subject picker ─────────────────────── */
.cl-modal-open-pdf-link {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 6px 12px; border-radius: 8px;
  background: rgba(108,99,255,0.12); border: 1px solid rgba(108,99,255,0.3);
  color: var(--accent-text); font-size: 13px; font-weight: 600;
  text-decoration: none; transition: background 0.15s;
}
.cl-modal-open-pdf-link:hover { background: rgba(108,99,255,0.22); }

.cl-subject-picker {
  display: flex; flex-direction: column; gap: 6px;
  margin-top: 6px; padding: 10px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  border-radius: 10px; animation: fadeIn 0.15s ease;
}
.cl-subject-pick-btn {
  padding: 8px 12px; border-radius: 8px; text-align: left;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  color: var(--text); font-size: 13px; font-weight: 500;
  cursor: pointer; transition: background 0.15s;
}
.cl-subject-pick-btn:hover { background: rgba(108,99,255,0.14); }
.cl-subject-pick-btn--cancel {
  color: var(--text2); font-size: 12px; font-weight: 400;
  border-color: transparent; background: transparent;
}
.cl-subject-pick-btn--cancel:hover { background: rgba(255,71,87,0.08); color: #ff4757; }

/* ── Due date e botão Responder nos cards ───────────────────────────── */
.cl-post-due {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 600; color: #ffa502;
  background: rgba(255,165,2,0.1); border: 1px solid rgba(255,165,2,0.25);
  border-radius: 6px; padding: 3px 8px; margin: 4px 0 2px;
}
.cl-post-due-icon { font-size: 11px; }

.cl-responder-btn {
  display: inline-flex; align-items: center; gap: 4px;
  margin-top: 8px; padding: 6px 13px; border-radius: 8px;
  background: rgba(46,213,115,0.1); border: 1px solid rgba(46,213,115,0.3);
  color: #2ed573; font-size: 12px; font-weight: 600;
  cursor: pointer; transition: background 0.15s;
}
.cl-responder-btn:hover { background: rgba(46,213,115,0.2); }

/* ── Modal de resposta ──────────────────────────────────────────────── */
.cl-resp-box { max-width: 560px; display: flex; flex-direction: column; gap: 12px; }

.cl-resp-due {
  font-size: 13px; color: #ffa502;
  background: rgba(255,165,2,0.08); border: 1px solid rgba(255,165,2,0.2);
  border-radius: 8px; padding: 6px 10px;
}
.cl-resp-desc {
  font-size: 13px; color: var(--text2); line-height: 1.6;
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px; white-space: pre-wrap;
  max-height: 140px; overflow-y: auto;
}
.cl-resp-field { display: flex; flex-direction: column; gap: 6px; }
.cl-resp-textarea {
  width: 100%; min-height: 110px; resize: vertical;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px; color: var(--text); font-size: 14px;
  padding: 10px 12px; outline: none; font-family: inherit; line-height: 1.6;
  transition: border-color 0.15s; box-sizing: border-box;
}
.cl-resp-textarea:focus { border-color: var(--accent); }
.cl-resp-textarea:disabled { opacity: 0.6; cursor: not-allowed; }

.cl-resp-actions {
  display: flex; gap: 8px; width: 100%;
}

/* Botões do modal de resposta — base compartilhada */
.cl-resp-submit-btn,
.cl-resp-save-btn,
.cl-resp-open-btn,
.cl-resp-ai-btn {
  flex: 1; padding: 11px 14px; border-radius: 10px;
  font-size: 13px; font-weight: 600; cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px; text-decoration: none; box-sizing: border-box;
  white-space: nowrap;
}
.cl-resp-submit-btn {
  background: rgba(46,213,115,0.15); border: 1px solid rgba(46,213,115,0.35);
  color: #2ed573;
}
.cl-resp-submit-btn:hover  { background: rgba(46,213,115,0.25); }
.cl-resp-submit-btn:disabled { opacity: 0.45; cursor: not-allowed; }

.cl-resp-save-btn {
  background: rgba(255,255,255,0.05); border: 1px solid var(--border);
  color: var(--text2);
}
.cl-resp-save-btn:hover { background: rgba(255,255,255,0.09); color: var(--text); }

.cl-resp-open-btn {
  background: rgba(108,99,255,0.1); border: 1px solid rgba(108,99,255,0.3);
  color: var(--accent-text); width: 100%;
}
.cl-resp-open-btn:hover { background: rgba(108,99,255,0.2); }

.cl-resp-ai-btn {
  background: rgba(255,165,0,0.1); border: 1px solid rgba(255,165,0,0.3);
  color: #ffaa00;
}
.cl-resp-ai-btn:hover { background: rgba(255,165,0,0.2); }
.cl-resp-ai-btn:disabled { opacity: 0.45; cursor: not-allowed; }

.cl-resp-status.delivered {
  padding: 10px 14px; border-radius: 9px; font-size: 14px; font-weight: 600;
  color: #2ed573; background: rgba(46,213,115,0.1); border: 1px solid rgba(46,213,115,0.25);
  text-align: center;
}
.cl-resp-info {
  font-size: 13px; color: var(--text2); line-height: 1.6;
  margin-bottom: 8px;
}
.cl-resp-loading { font-size: 13px; color: var(--text2); padding: 10px 0; }

/* ── Filter tabs ─────────────────────────────────────────────────────── */
.filter-tabs {
  display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px;
}
.filter-tab {
  padding: 6px 13px; border-radius: 20px; font-size: 13px; font-weight: 600;
  border: 1px solid var(--border); background: var(--bg3); color: var(--text2);
  cursor: pointer; transition: all 0.15s; white-space: nowrap;
}
.filter-tab:hover { background: rgba(108,99,255,0.1); color: var(--text); border-color: rgba(108,99,255,0.3); }
.filter-tab.active { background: rgba(108,99,255,0.18); color: var(--accent-text); border-color: rgba(108,99,255,0.45); }

/* ── Tags ────────────────────────────────────────────────────────────── */
.tag {
  display: inline-flex; align-items: center;
  padding: 2px 7px; border-radius: 20px; font-size: 11px; font-weight: 600;
  letter-spacing: 0.2px;
}
.tag-subject  { opacity: 0.9; }
.tag-exam     { background: rgba(255,71,87,0.12); color: #ff4757; }
.tag-deadline { background: rgba(255,71,87,0.15); color: #ff6b81; }
.tag-ok       { background: rgba(46,213,115,0.12); color: #2ed573; }

/* ── Task cards ──────────────────────────────────────────────────────── */
.task-card {
  display: flex; align-items: stretch;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.task-card:hover { border-color: rgba(108,99,255,0.3); box-shadow: 0 2px 12px rgba(0,0,0,0.18); }
.task-card.done  { opacity: 0.55; }

.task-card-bar {
  width: 4px; flex-shrink: 0; border-radius: 12px 0 0 12px;
}
.task-card-top {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 12px 12px 10px; flex: 1; min-width: 0;
}

.task-check {
  width: 20px; height: 20px; border-radius: 50%; flex-shrink: 0; margin-top: 2px;
  border: 2px solid var(--border); cursor: pointer; display: flex;
  align-items: center; justify-content: center; transition: all 0.15s;
}
.task-check:hover { border-color: var(--accent); }
.task-check.checked { background: var(--accent); border-color: var(--accent); }
.task-check.checked svg { width: 11px; height: 11px; stroke: #fff; }

.task-content { flex: 1; min-width: 0; }
.task-title   { font-size: 14px; font-weight: 600; color: var(--text); line-height: 1.4; }

.task-notes {
  font-size: 12px; color: var(--text2); margin-top: 4px;
  white-space: pre-line; cursor: pointer; line-height: 1.5;
  display: -webkit-box; -webkit-box-orient: vertical;
  -webkit-line-clamp: 2; line-clamp: 2; overflow: hidden; transition: all 0.2s;
}
.task-notes:not(.collapsed) {
  display: block; -webkit-line-clamp: unset; line-clamp: unset; overflow: visible;
}

.task-meta { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 6px; }

.task-delete {
  flex-shrink: 0; padding: 4px; background: transparent; border: none;
  color: var(--text2); cursor: pointer; border-radius: 6px; opacity: 0.4;
  transition: opacity 0.15s, background 0.15s;
}
.task-delete:hover { opacity: 1; background: rgba(255,71,87,0.12); color: #ff4757; }
.task-delete svg   { width: 16px; height: 16px; }

/* ── Task group headers ──────────────────────────────────────────────── */
.task-group-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 4px 2px; margin: 14px 0 6px;
  font-size: 12px; font-weight: 600; color: var(--text2);
  text-transform: uppercase; letter-spacing: 0.5px;
}
.task-group-header:first-child { margin-top: 0; }
.task-group-header--toggle { cursor: pointer; user-select: none; }
.task-group-header--toggle:hover { color: var(--text); }
.task-group-count {
  background: rgba(255,255,255,0.07); border-radius: 20px;
  padding: 1px 7px; font-size: 11px; font-weight: 600;
}

#task-done-group.collapsed { display: none; }