/* ═══════════════════════════════════════════════════════════════
   style.css – Design System AEMS Notas
   Dark mode | Glassmorphism | Inter font
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ─── Variáveis ─────────────────────────────────────────────── */
:root {
  --bg-primary:     #0d1117;
  --bg-secondary:   #161b22;
  --bg-tertiary:    #21262d;
  --bg-card:        #1c2128;
  --accent:         #7c3aed;
  --accent-light:   #a78bfa;
  --accent-glow:    rgba(124, 58, 237, 0.3);
  --text-primary:   #f0f6fc;
  --text-secondary: #8b949e;
  --text-muted:     #6e7681;
  --border:         #30363d;
  --border-focus:   #7c3aed;
  --success:        #3fb950;
  --success-bg:     rgba(63, 185, 80, 0.1);
  --warning:        #d29922;
  --warning-bg:     rgba(210, 153, 34, 0.1);
  --danger:         #f85149;
  --danger-bg:      rgba(248, 81, 73, 0.1);
  --info:           #58a6ff;
  --radius-sm:      6px;
  --radius:         10px;
  --radius-lg:      14px;
  --shadow:         0 4px 24px rgba(0, 0, 0, 0.5);
  --shadow-sm:      0 2px 8px rgba(0, 0, 0, 0.3);
  --sidebar-w:      250px;
  --transition:     0.2s ease;
}

/* ─── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ─── Layout ────────────────────────────────────────────────── */
#app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ─── Sidebar ───────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#sidebar-header {
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, #1a0a2e 0%, #1c1c2e 100%);
}

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

.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
  box-shadow: 0 0 20px var(--accent-glow);
}

.logo-title {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.logo-subtitle {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

#sidebar-actions {
  padding: 12px;
  border-bottom: 1px solid var(--border);
}

#disciplinas-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

#disciplinas-list::-webkit-scrollbar { width: 4px; }
#disciplinas-list::-webkit-scrollbar-track { background: transparent; }
#disciplinas-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.sidebar-empty {
  color: var(--text-muted);
  font-size: 12px;
  text-align: center;
  padding: 20px 8px;
}

.disc-item {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  border: 1px solid transparent;
  margin-bottom: 4px;
}

.disc-item:hover {
  background: var(--bg-tertiary);
  border-color: var(--border);
}

.disc-item.active {
  background: rgba(124, 58, 237, 0.12);
  border-color: rgba(124, 58, 237, 0.4);
}

.disc-item-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.disc-item.active .disc-item-name { color: var(--accent-light); }

.disc-item-turma {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ─── Main ──────────────────────────────────────────────────── */
#main {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--bg-primary);
}

/* ─── Empty State ───────────────────────────────────────────── */
#empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 16px;
  color: var(--text-secondary);
}

.empty-icon { font-size: 56px; }

#empty-state h2 { font-size: 20px; font-weight: 600; color: var(--text-primary); }
#empty-state p  { font-size: 14px; color: var(--text-secondary); }

/* ─── Disciplina View ───────────────────────────────────────── */
#disciplina-view {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

#disciplina-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.header-info { display: flex; align-items: center; gap: 12px; }

#disc-nome {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.badge {
  background: rgba(124, 58, 237, 0.15);
  color: var(--accent-light);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: 20px;
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 500;
}

.header-actions { display: flex; gap: 8px; }

/* ─── Tabs ──────────────────────────────────────────────────── */
#tabs-nav {
  display: flex;
  gap: 2px;
  padding: 12px 24px 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
  font-family: inherit;
}

.tab-btn:hover { color: var(--text-primary); background: var(--bg-tertiary); }

.tab-btn.active {
  color: var(--accent-light);
  border-bottom-color: var(--accent);
  background: transparent;
}

/* Tab panels */
.tab-panel { display: none; flex: 1; overflow-y: auto; padding: 24px; }
.tab-panel.active { display: block; }
.tab-panel::-webkit-scrollbar { width: 6px; }
.tab-panel::-webkit-scrollbar-track { background: transparent; }
.tab-panel::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ─── Subtabs (Notas) ───────────────────────────────────────── */
#notas-subtabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.subtab-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 7px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.subtab-btn:hover { color: var(--text-primary); border-color: var(--accent); }

.subtab-btn.active {
  background: rgba(124, 58, 237, 0.15);
  border-color: var(--accent);
  color: var(--accent-light);
}

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

/* ─── Config: Seções ────────────────────────────────────────── */
.config-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-header h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.provao-config {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding: 12px 14px;
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: var(--radius-sm);
}

.provao-config label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.provao-input-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.provao-input-group input {
  width: 70px;
  text-align: center;
  font-weight: 700;
  font-size: 15px;
  color: var(--accent-light);
}

.provao-input-group span {
  font-weight: 600;
  color: var(--accent-light);
}

/* Avaliação row */
.av-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  animation: slideIn 0.15s ease;
}

.av-row:last-child { border-bottom: none; }

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.av-nome { flex: 1; }
.av-peso-group { display: flex; align-items: center; gap: 4px; }
.av-peso { width: 70px; text-align: center; }
.av-peso-label { color: var(--text-muted); font-size: 12px; }

/* Weight indicator */
.weight-indicator { margin-bottom: 12px; min-height: 24px; }

.weight-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 500;
}

.weight-ok  { background: var(--success-bg); color: var(--success); }
.weight-err { background: var(--danger-bg);  color: var(--danger);  }

.list-empty {
  color: var(--text-muted);
  font-size: 13px;
  text-align: center;
  padding: 20px;
}

/* ─── Tabelas ───────────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-weight: 600;
  padding: 10px 12px;
  text-align: left;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 1;
}

.data-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }

.data-table tr:hover td { background: rgba(255,255,255,0.02); }

.th-result {
  text-align: center;
  background: rgba(124, 58, 237, 0.1) !important;
  color: var(--accent-light) !important;
}

.th-provao {
  background: rgba(210, 153, 34, 0.1) !important;
  color: var(--warning) !important;
}

.th-peso {
  display: block;
  font-size: 10px;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 2px;
}

.td-ra    { color: var(--text-muted); font-size: 12px; white-space: nowrap; }
.td-nome  { font-weight: 500; min-width: 140px; }

.td-result {
  text-align: center;
  font-weight: 700;
  font-size: 15px;
  min-width: 60px;
}

/* Grade colors */
.grade-high  { color: var(--success); }
.grade-mid   { color: var(--warning); }
.grade-low   { color: var(--danger);  }
.grade-empty { color: var(--text-muted); }

.col-actions { text-align: center; width: 80px; }

/* Notas table wrapper for horizontal scroll */
.notas-table { min-width: max-content; }
#table-notas-p1, #table-notas-p2 { overflow-x: auto; }

/* ─── Nota Input ─────────────────────────────────────────────── */
.nota-input {
  width: 64px;
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  padding: 5px 4px;
}

.nota-provao {
  border-color: rgba(210, 153, 34, 0.4) !important;
  color: var(--warning) !important;
  font-weight: 700;
}

.nota-provao:focus {
  border-color: var(--warning) !important;
  box-shadow: 0 0 0 3px rgba(210, 153, 34, 0.2) !important;
}

/* ─── Resultados ─────────────────────────────────────────────── */
.resultados-summary {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.summary-card {
  flex: 1;
  min-width: 140px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.summary-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.summary-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
}

/* ─── Buttons ───────────────────────────────────────────────── */
button { font-family: inherit; cursor: pointer; transition: all var(--transition); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #6d28d9);
  color: white;
  border: none;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 2px 8px var(--accent-glow);
}

.btn-primary:hover {
  filter: brightness(1.12);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:active { transform: translateY(0); }
.btn-primary.full-width { width: 100%; justify-content: center; }

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
}

.btn-secondary:hover { border-color: var(--accent-light); color: var(--accent-light); }

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid transparent;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
}

.btn-danger:hover { background: var(--danger-bg); border-color: var(--danger); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  justify-content: center;
}

.btn-ghost:hover { color: var(--text-primary); border-color: var(--text-secondary); }

.btn-small {
  background: rgba(124, 58, 237, 0.12);
  color: var(--accent-light);
  border: 1px solid rgba(124, 58, 237, 0.3);
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
}

.btn-small:hover { background: rgba(124, 58, 237, 0.22); }

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  line-height: 1;
}

.btn-icon:hover { color: var(--text-primary); background: var(--bg-tertiary); }
.btn-delete:hover { color: var(--danger) !important; }

/* ─── Inputs ────────────────────────────────────────────────── */
input[type="text"],
input[type="number"] {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 7px 10px;
  font-size: 13px;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

input[type="text"]:focus,
input[type="number"]:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

input[type="text"]::placeholder,
input[type="number"]::placeholder { color: var(--text-muted); }

/* Chrome: remove spin buttons on number inputs in notas table */
.nota-input::-webkit-inner-spin-button,
.nota-input::-webkit-outer-spin-button { opacity: 0.4; }

/* ─── Modais ─────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(4px);
  animation: fadeIn 0.15s ease;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow);
  animation: slideUp 0.2s ease;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.modal h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 24px;
}

/* ─── Toast ──────────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 200;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  max-width: 300px;
}

.toast.show { opacity: 1; transform: translateX(0); }
.toast-success { border-left: 3px solid var(--success); }
.toast-error   { border-left: 3px solid var(--danger); }
.toast-info    { border-left: 3px solid var(--info); }

/* ─── Confirm Modal ──────────────────────────────────────────── */
#confirm-msg {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.6;
}

/* ─── Hidden ─────────────────────────────────────────────────── */
.hidden { display: none !important; }

/* ─── Scrollbar global ───────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ─── Responsividade ─────────────────────────────────────────── */

/* ── Botão hamburguer (visível só no mobile) ── */
#btn-menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition), border-color var(--transition);
}
#btn-menu-toggle:hover { background: var(--bg-tertiary); border-color: var(--accent); }

/* ── Topbar mobile (aparece só em telas pequenas) ── */
#mobile-topbar {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  z-index: 10;
}
#mobile-topbar .logo-icon {
  width: 30px; height: 30px; font-size: 14px;
}
#mobile-topbar .logo-title { font-size: 14px; font-weight: 700; }
#mobile-topbar .logo-subtitle { font-size: 10px; }

/* ── Overlay escuro por trás do drawer ── */
#sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 49;
  backdrop-filter: blur(2px);
  animation: fadeIn 0.2s ease;
}
#sidebar-overlay.open { display: block; }

/* ══════════════════════════════════════════════════════════════
   TABLET  (641px – 900px)
   Sidebar fica visível mas mais estreita
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 900px) and (min-width: 641px) {
  :root { --sidebar-w: 210px; }

  #disc-nome { font-size: 16px; }

  .tab-btn { padding: 8px 12px; font-size: 12px; }

  .summary-card { min-width: 110px; padding: 12px 14px; }
  .summary-value { font-size: 22px; }

  #disciplina-header { padding: 12px 16px; }
  #tabs-nav { padding: 10px 16px 0; }
  .tab-panel { padding: 16px; }
}

/* ══════════════════════════════════════════════════════════════
   MOBILE  (≤ 640px)
   Sidebar vira drawer deslizante
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 640px) {

  /* Layout geral */
  #app {
    flex-direction: column;
    height: 100dvh;       /* dynamic viewport height — melhor para mobile */
    overflow: hidden;
  }

  /* Topbar mobile visível */
  #mobile-topbar { display: flex; }

  /* Botão hamburguer visível */
  #btn-menu-toggle { display: flex; align-items: center; justify-content: center; }

  /* Sidebar: drawer fora da tela por padrão */
  #sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: 280px;
    min-width: 0;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 4px 0 32px rgba(0,0,0,0.6);
  }

  #sidebar.open {
    transform: translateX(0);
  }

  /* Main ocupa toda a tela abaixo da topbar */
  #main {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }

  /* Header da disciplina */
  #disciplina-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
  }

  .header-info { gap: 8px; flex-wrap: wrap; }

  #disc-nome { font-size: 16px; }

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

  .header-actions button {
    flex: 1;
    justify-content: center;
    font-size: 12px;
    padding: 8px 10px;
  }

  /* Tabs: rolar horizontalmente se não couber */
  #tabs-nav {
    padding: 8px 8px 0;
    overflow-x: auto;
    flex-shrink: 0;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  #tabs-nav::-webkit-scrollbar { display: none; }

  .tab-btn {
    padding: 8px 12px;
    font-size: 12px;
    white-space: nowrap;
    flex-shrink: 0;
  }

  /* Tab panels */
  .tab-panel { padding: 14px; }

  /* Subtabs Notas */
  #notas-subtabs { gap: 6px; margin-bottom: 14px; }
  .subtab-btn { padding: 7px 16px; font-size: 13px; flex: 1; text-align: center; }

  /* Config sections */
  .config-section { padding: 14px; }

  /* Linha de avaliação: empilha nome acima do peso em telas muito pequenas */
  .av-row {
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 0;
  }
  .av-nome { min-width: 120px; }

  /* Provão config */
  .provao-config { flex-wrap: wrap; gap: 8px; }

  /* Resumo de resultados */
  .resultados-summary {
    flex-direction: column;
    gap: 10px;
  }
  .summary-card { min-width: 0; }
  .summary-value { font-size: 24px; }

  /* Tabelas: scroll horizontal com toque */
  #table-notas-p1,
  #table-notas-p2,
  #resultados-table {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Nota inputs maiores para dedos */
  .nota-input { width: 56px; padding: 6px 4px; font-size: 14px; }

  /* Modais: ocupam tela toda no mobile */
  .modal {
    max-width: none;
    width: calc(100% - 24px);
    margin: 12px;
    padding: 20px;
    border-radius: var(--radius);
  }

  .modal-overlay {
    align-items: flex-end;      /* modal "sobe" da base da tela */
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }

  .modal {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    width: 100%;
    margin: 0;
    animation: slideUpMobile 0.25s ease;
  }

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

  /* Toast: ocupa mais largura */
  #toast-container {
    bottom: 16px;
    left: 16px;
    right: 16px;
  }
  .toast { max-width: none; }

  /* Inputs maiores — area de toque confortável */
  input[type="text"],
  input[type="number"] {
    padding: 10px 12px;
    font-size: 16px; /* evita zoom automático do iOS */
  }

  /* Empty state */
  #empty-state h2 { font-size: 17px; }
  #empty-state p  { font-size: 13px; text-align: center; padding: 0 16px; }
  .empty-icon { font-size: 44px; }

  /* Tabela de alunos */
  .data-table th,
  .data-table td { padding: 8px 8px; }
  .td-nome { min-width: 100px; }

  /* Botões da sidebar footer: empilhados */
  #sidebar-footer { gap: 8px; }
}

/* ── Safe area para iPhones com notch ── */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  #mobile-topbar {
    padding-top: max(12px, env(safe-area-inset-top));
  }
  #sidebar-footer {
    padding-bottom: max(12px, env(safe-area-inset-bottom));
  }
}

/* ─── PWA Install Banner ───────────────────────────────────── */
.install-banner {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  background: rgba(28, 33, 40, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  width: 320px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.3s ease, opacity 0.3s ease;
  animation: slideInBanner 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.install-banner.hidden {
  display: none !important;
}

.install-banner-content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.install-banner-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  box-shadow: 0 0 15px var(--accent-glow);
  flex-shrink: 0;
}

.install-banner-text h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.install-banner-text p {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.install-banner-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.btn-ghost-small {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  transition: color var(--transition), background var(--transition);
}

.btn-ghost-small:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.btn-primary-small {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(124, 58, 237, 0.4);
  transition: background var(--transition), transform var(--transition);
}

.btn-primary-small:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
}

@keyframes slideInBanner {
  from {
    transform: translateY(100px) scale(0.95);
    opacity: 0;
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

/* Mobile adjustments */
@media (max-width: 640px) {
  .install-banner {
    left: 16px;
    right: 16px;
    bottom: 16px;
    width: auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  }
}