/* public/css/style.css
   Olimais — design system
   Conceito: identidade dourado + preto da marca (dois balões de diálogo dourados,
   evocando a conversa entre professor e aluno), sobre papel marfim claro.
*/

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #FFFAF0;
  --surface: #FFFFFF;
  --surface-sunken: #F5EEDC;
  --ink: #141414;
  --ink-soft: #6B6355;
  --ink-faint: #9C9484;

  --primary: #141414;
  --primary-soft: #2B2B2B;
  --primary-tint: #ECE7DA;

  --accent: #FFC000;
  --accent-tint: #FDEFCB;

  --confirmed: #3B6FA0;
  --confirmed-tint: #E3ECF4;

  --danger: #B84C3E;
  --danger-tint: #F5E3E0;

  --border: #E9E1CB;
  --border-strong: #D8CCA6;

  --radius-s: 6px;
  --radius-m: 10px;
  --radius-l: 16px;

  --shadow-card: 0 1px 2px rgba(20, 20, 20, 0.06), 0 4px 16px rgba(20, 20, 20, 0.06);
  --shadow-pop: 0 8px 30px rgba(20, 20, 20, 0.22);

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --sidebar-w: 232px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body { min-height: 100vh; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 4px 0;
  letter-spacing: -0.01em;
}
h1 { font-size: 28px; font-weight: 700; }
h2 { font-size: 21px; }
h3 { font-size: 17px; }

p { margin: 0 0 12px 0; }

a { color: var(--primary); }

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

:focus-visible {
  outline: 2px solid var(--confirmed);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

.tabular { font-variant-numeric: tabular-nums; }

/* ---------- Layout geral ---------- */

.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--primary);
  color: #F2ECDC;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; bottom: 0; left: 0;
  z-index: 40;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 22px 20px 18px 20px;
  border-bottom: 1px solid rgba(234, 241, 238, 0.14);
}

.brand-mark {
  width: 30px; height: 30px;
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.15;
  color: #fff;
}
.brand-name small { display: block; font-family: var(--font-body); font-weight: 400; font-size: 11px; color: #B8AE97; letter-spacing: 0.02em; }

.nav-list {
  list-style: none;
  margin: 14px 10px;
  padding: 0;
  flex: 1;
}

.nav-item a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-s);
  color: #D9D0BA;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 2px;
  border-left: 3px solid transparent;
}
.nav-item a:hover { background: rgba(255,255,255,0.07); color: #fff; }
.nav-item.active a {
  background: rgba(255, 192, 0, 0.18);
  color: #fff;
  border-left-color: var(--accent);
}
.nav-icon { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.9; }

.sidebar-footer {
  padding: 14px 20px 20px 20px;
  border-top: 1px solid rgba(234, 241, 238, 0.14);
  font-size: 12.5px;
  color: #A79E89;
}
.sidebar-footer button {
  background: none; border: none; color: #D9D0BA; cursor: pointer;
  font-size: 12.5px; padding: 0; margin-top: 6px; text-decoration: underline;
}

.main-area {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--primary);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 30;
}
.topbar button.hamburger {
  background: none; border: none; color: #fff; cursor: pointer; padding: 4px;
}

.page-content {
  padding: 32px 40px 80px 40px;
  max-width: 1180px;
  width: 100%;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.page-header .eyebrow {
  text-transform: uppercase;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 4px;
}
.page-header p.subtitle { color: var(--ink-soft); margin: 6px 0 0 0; max-width: 60ch; }

/* ---------- Cards / superfícies ---------- */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-card);
  padding: 22px 24px;
  margin-bottom: 18px;
}

.card-ruled {
  border-left: 3px solid var(--accent);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  gap: 10px;
  flex-wrap: wrap;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 16px 18px;
}
.stat-card .stat-label { font-size: 12.5px; color: var(--ink-soft); font-weight: 500; margin-bottom: 6px; }
.stat-card .stat-value { font-family: var(--font-display); font-size: 26px; font-weight: 600; }
.stat-card .stat-value.accent { color: var(--accent); }
.stat-card .stat-value.confirmed { color: var(--confirmed); }
.stat-card .stat-value.danger { color: var(--danger); }

/* ---------- Botões ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid transparent;
  border-radius: var(--radius-s);
  padding: 9px 16px;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.2;
  white-space: nowrap;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-soft); }
.btn-accent { background: var(--accent); color: #3A2A08; }
.btn-accent:hover:not(:disabled) { background: #C79432; }
.btn-outline { background: transparent; border-color: var(--border-strong); color: var(--ink); }
.btn-outline:hover:not(:disabled) { background: var(--surface-sunken); }
.btn-danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn-danger:hover:not(:disabled) { background: var(--danger-tint); }
.btn-text { background: none; border: none; color: var(--primary); padding: 6px 4px; text-decoration: underline; }
.btn-sm { padding: 6px 11px; font-size: 12.5px; }
.btn-icon { padding: 7px; }

/* ---------- Formulários ---------- */

.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.field .hint { font-size: 12px; color: var(--ink-faint); margin-top: 4px; }
.field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }

input[type=text], input[type=email], input[type=tel], input[type=number],
input[type=date], input[type=time], input[type=datetime-local], input[type=password],
select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-s);
  background: #fff;
  color: var(--ink);
}
textarea { resize: vertical; min-height: 70px; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); }

.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: 17px; height: 17px; }
.checkbox-row label { margin: 0; text-transform: none; font-weight: 500; font-size: 14px; color: var(--ink); }

fieldset { border: none; padding: 0; margin: 0; }

.form-actions { display: flex; gap: 10px; margin-top: 20px; justify-content: flex-end; }

/* ---------- Tabelas ---------- */

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th {
  text-align: left;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  font-weight: 600;
  padding: 8px 12px;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
td { padding: 11px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr.row-link { cursor: pointer; }
tr.row-link:hover td { background: var(--surface-sunken); }
td.num, th.num { text-align: right; }

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--ink-soft);
}
.empty-state .eyebrow { color: var(--accent); }

/* ---------- Badges / pills ---------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
}
.badge-confirmed { background: var(--confirmed-tint); color: var(--confirmed); }
.badge-pending { background: var(--accent-tint); color: #8A6A1F; }
.badge-danger { background: var(--danger-tint); color: var(--danger); }
.badge-neutral { background: var(--surface-sunken); color: var(--ink-soft); }

/* ---------- Alertas ---------- */

.alert {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px 14px;
  border-radius: var(--radius-m);
  margin-bottom: 16px;
  font-size: 13.5px;
}
.alert-danger { background: var(--danger-tint); color: #7A3327; border: 1px solid #E3BAB2; }
.alert-info { background: var(--confirmed-tint); color: #2A5075; border: 1px solid #B9CFE2; }

/* ---------- Modal ---------- */

.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(20, 28, 26, 0.45);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 5vh 16px;
  overflow-y: auto;
  z-index: 100;
}
.modal {
  background: var(--surface);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-pop);
  width: 100%;
  max-width: 560px;
  padding: 26px 28px;
  margin-bottom: 5vh;
}
.modal.modal-wide { max-width: 760px; }
.modal-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 18px; }
.modal-close { background: none; border: none; cursor: pointer; color: var(--ink-soft); padding: 4px; }

/* ---------- Tabs ---------- */

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 20px; flex-wrap: wrap; }
.tab-btn {
  background: none; border: none; cursor: pointer;
  padding: 10px 6px; margin-right: 18px;
  font-size: 13.5px; font-weight: 600; color: var(--ink-soft);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab-btn.active { color: var(--primary); border-bottom-color: var(--accent); }

/* ---------- Calendário ---------- */

.calendar-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; flex-wrap: wrap; gap: 10px;
}
.calendar-nav { display: flex; align-items: center; gap: 10px; }
.calendar-nav .label { font-family: var(--font-display); font-size: 18px; font-weight: 600; min-width: 170px; text-align: center; }
.view-switch { display: flex; gap: 2px; background: var(--surface-sunken); border-radius: var(--radius-s); padding: 3px; }
.view-switch button {
  background: none; border: none; cursor: pointer; padding: 6px 12px;
  border-radius: 5px; font-size: 12.5px; font-weight: 600; color: var(--ink-soft);
}
.view-switch button.active { background: #fff; color: var(--primary); box-shadow: 0 1px 2px rgba(0,0,0,0.08); }

.month-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.month-grid .dow { text-align: center; font-size: 11px; font-weight: 700; color: var(--ink-soft); text-transform: uppercase; padding-bottom: 4px; }
.month-cell {
  min-height: 92px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-s);
  padding: 6px;
  cursor: pointer;
  display: flex; flex-direction: column; gap: 3px;
}
.month-cell:hover { border-color: var(--border-strong); }
.month-cell.out { background: var(--surface-sunken); opacity: 0.55; }
.month-cell.today { border-color: var(--accent); border-width: 2px; }
.month-cell .day-num { font-size: 12px; font-weight: 700; color: var(--ink-soft); }
.month-cell .chip {
  font-size: 10.5px; background: var(--primary-tint); color: var(--primary);
  border-radius: 4px; padding: 1px 5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.month-cell .chip.conflict { background: var(--danger-tint); color: var(--danger); }
.month-cell .more { font-size: 10.5px; color: var(--ink-faint); }

.week-grid, .day-grid { display: flex; flex-direction: column; gap: 8px; }
.time-slot-list .slot {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-s);
  background: var(--surface); cursor: pointer;
}
.time-slot-list .slot:hover { border-color: var(--border-strong); }
.time-slot-list .slot .time { font-weight: 700; font-size: 13px; color: var(--primary); min-width: 100px; }
.time-slot-list .slot.conflict { border-left: 3px solid var(--danger); }
.day-section-title { font-weight: 700; font-size: 13px; color: var(--ink-soft); margin: 14px 0 6px 0; text-transform: uppercase; letter-spacing: 0.03em;}

.year-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.year-month-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-m);
  padding: 14px; cursor: pointer; text-align: center;
}
.year-month-card:hover { border-color: var(--primary); }
.year-month-card .m-name { font-family: var(--font-display); font-weight: 600; font-size: 15px; }
.year-month-card .m-count { color: var(--ink-soft); font-size: 12.5px; margin-top: 4px; }

/* ---------- Grade de disponibilidade ---------- */

.avail-grid-wrap { overflow-x: auto; }
table.avail-grid { border-collapse: collapse; font-size: 12px; }
table.avail-grid th, table.avail-grid td {
  border: 1px solid var(--border);
  padding: 0;
  text-align: center;
}
table.avail-grid thead th {
  padding: 6px 4px;
  font-size: 11px;
  color: var(--ink-soft);
  background: var(--surface-sunken);
  min-width: 40px;
}
table.avail-grid tbody th {
  padding: 5px 8px;
  font-size: 11px;
  color: var(--ink-soft);
  background: var(--surface-sunken);
  white-space: nowrap;
  font-weight: 600;
}
table.avail-grid td {
  width: 40px;
  height: 26px;
  cursor: pointer;
  background: #fff;
}
table.avail-grid td:hover { background: var(--accent-tint); }
table.avail-grid td.avail-on { background: var(--primary); }
table.avail-grid td.avail-on:hover { background: var(--primary-soft); }
.avail-clickable { cursor: pointer; }
.avail-clickable:hover { background: var(--accent-tint) !important; color: var(--ink); }

/* ---------- Login ---------- */

.login-screen {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--primary);
  background-image: radial-gradient(circle at 15% 20%, rgba(255,192,0,0.16), transparent 45%),
                     radial-gradient(circle at 85% 85%, rgba(255,192,0,0.10), transparent 45%);
  padding: 20px;
}
.login-card {
  background: var(--surface); border-radius: var(--radius-l); box-shadow: var(--shadow-pop);
  width: 100%; max-width: 380px; padding: 36px 32px;
}
.login-brand { display: flex; flex-direction: column; align-items: center; text-align: center; margin-bottom: 26px; }
.login-brand .brand-mark { width: 44px; height: 44px; margin-bottom: 12px; }
.login-brand h1 { font-size: 22px; }
.login-brand p { color: var(--ink-soft); font-size: 13.5px; margin-top: 2px; }

/* ---------- Utilitários ---------- */

.flex { display: flex; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-8 { gap: 8px; } .gap-10 { gap: 10px; } .gap-14 { gap: 14px; }
.muted { color: var(--ink-soft); }
.text-sm { font-size: 12.5px; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.wrap { flex-wrap: wrap; }
.grow { flex: 1; }
.hidden { display: none !important; }
.search-input { max-width: 280px; }
.pill-toggle { display: flex; gap: 6px; flex-wrap: wrap; }
.pill-toggle button {
  border: 1px solid var(--border-strong); background: #fff; border-radius: 100px;
  padding: 6px 13px; font-size: 12.5px; font-weight: 600; color: var(--ink-soft); cursor: pointer;
}
.pill-toggle button.active { background: var(--primary-tint); border-color: var(--primary); color: var(--primary); }

.loading-dots { color: var(--ink-soft); font-size: 13.5px; padding: 20px 0; }

/* ---------- Responsivo ---------- */

@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); transition: transform 0.2s ease; width: 240px; }
  .sidebar.open { transform: translateX(0); }
  .main-area { margin-left: 0; }
  .topbar { display: flex; }
  .page-content { padding: 20px 16px 60px 16px; }
  .sidebar-scrim { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.35); z-index: 39; }
  .sidebar-scrim.open { display: block; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .month-grid { gap: 4px; }
  .month-cell { min-height: 64px; padding: 4px; }
  .month-cell .chip { display: none; }
  .month-cell .more { display: block; }
}

@media (max-width: 560px) {
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .card { padding: 16px 16px; }
  .modal { padding: 20px; }
}