/* ============================================================
   DEMONSTRAÇÃO — Help School · Sistema de Gestão
   Reprodução estática da interface, com dados fictícios.
   Paleta original: fundo #F8F8F8, sidebar #030712, destaque #dc2626.
============================================================ */

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --red: #dc2626;
  --red-dark: #b91c1c;
  --bg: #f8f8f8;
  --ink: #111827;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --line: #e5e7eb;
  --sidebar: #030712;
  --banner-h: 38px;
}

body {
  font-family: "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
}

a { text-decoration: none; color: inherit; }
button { cursor: pointer; font: inherit; border: none; background: none; }

/* Elementos presentes só visualmente (sem função na demo) */
.is-disabled { opacity: 0.45; cursor: not-allowed !important; pointer-events: none; }

/* ---------- Faixa de demonstração ---------- */
.demo-banner {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--banner-h);
  z-index: 200;
  background: #0b1f3a;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-size: 12px;
  padding: 0 1rem;
  text-align: center;
}

.demo-banner a {
  color: #e3c563;
  font-weight: 600;
  margin-left: 0.8rem;
  white-space: nowrap;
}

.demo-banner a:hover { text-decoration: underline; }

/* ---------- Marca Help school ---------- */
.brand-help {
  font-family: Georgia, serif;
  font-style: italic;
  font-weight: 900;
  font-size: 1.9rem;
  color: #fff;
}

.brand-school {
  font-family: Georgia, serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: #ef4444;
  margin-left: 2px;
}

.sidebar__head p,
.login__brand p {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-top: 2px;
}

/* ---------- Telas ---------- */
.screen { display: none; }
.screen.is-active { display: block; }

/* ---------- Login ---------- */
.screen--login {
  min-height: 100vh;
  padding-top: var(--banner-h);
}

.screen--login.is-active { display: flex; align-items: center; justify-content: center; }

.login__box { width: min(380px, 92%); }

.login__brand { text-align: center; margin-bottom: 2rem; }

.login__brand .brand-help { color: var(--ink); font-size: 3rem; }
.login__brand .brand-school { font-size: 1.25rem; color: var(--red); }

.login__card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
  padding: 2rem;
}

.login__card h1 { font-size: 1.05rem; font-weight: 600; margin-bottom: 1.5rem; }

.login__card label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray-500);
  margin-bottom: 1rem;
}

.login__card input {
  width: 100%;
  margin-top: 4px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  color: var(--ink);
  background: #fafafa;
}

.login__hint {
  text-align: center;
  font-size: 12px;
  color: var(--gray-400);
  margin-top: 1rem;
}

/* ---------- Botões ---------- */
.btn-red {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  background: var(--red);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  border-radius: 10px;
  padding: 10px 16px;
  transition: background 0.2s;
}

.btn-red:hover { background: var(--red-dark); }

.view__head .btn-red { width: auto; }

.btn-green {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #16a34a;
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  border-radius: 10px;
  padding: 9px 16px;
  margin-top: 8px;
}

/* ---------- Layout do app ---------- */
.screen--app {
  padding-top: var(--banner-h);
  min-height: 100vh;
}

.screen--app.is-active { display: flex; }

.sidebar {
  width: 224px;
  background: var(--sidebar);
  color: #9ca3af;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - var(--banner-h));
}

.sidebar__head {
  padding: 1.1rem 1rem;
  border-bottom: 1px solid #1f2937;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.sidebar__close {
  display: none;
  color: #9ca3af;
  font-size: 16px;
  padding: 4px 8px;
}

.sidebar__nav { flex: 1; padding: 0.5rem 0; overflow-y: auto; }

.sidebar__section {
  padding: 8px 16px 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-top: 4px;
}

.sidebar__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  font-size: 13.5px;
  font-weight: 500;
  color: #9ca3af;
  transition: background 0.15s, color 0.15s;
}

.sidebar__link:hover { color: #fff; background: #1f2937; }
.sidebar__link.is-active { background: var(--red); color: #fff; }

.sidebar__note {
  padding: 10px 16px;
  font-size: 10.5px;
  color: #4b5563;
  border-top: 1px solid #1f2937;
}

.app-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

/* ---------- Topbar ---------- */
.topbar {
  background: #fff;
  border-bottom: 1px solid var(--line);
  height: 56px;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.5rem;
}

.topbar__burger { display: none; font-size: 20px; color: var(--gray-500); }

.topbar__date {
  font-size: 12px;
  color: var(--gray-400);
  font-weight: 500;
  text-transform: capitalize;
}

.topbar__user { margin-left: auto; display: flex; align-items: center; gap: 8px; }

.topbar__avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #fee2e2;
  color: #b91c1c;
  font-weight: 700;
  font-size: 11px;
  display: grid;
  place-items: center;
}

.topbar__user-info { display: grid; line-height: 1.2; }
.topbar__user-info strong { font-size: 13px; }
.topbar__user-info small { font-size: 11px; color: var(--gray-400); }

/* ---------- Conteúdo ---------- */
.content { padding: 1.5rem; max-width: 1080px; width: 100%; }

.view { display: none; }
.view.is-active { display: block; }

.view__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.view__head h1 { font-size: 1.25rem; font-weight: 700; }
.view__head p { font-size: 13px; color: var(--gray-500); margin-top: 2px; }

.group-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-400);
  margin: 1.2rem 0 0.6rem;
}

/* ---------- Métricas ---------- */
.metrics { display: grid; gap: 8px; }
.metrics--4 { grid-template-columns: repeat(4, 1fr); }
.metrics--5 { grid-template-columns: repeat(5, 1fr); }
.metrics--6 { grid-template-columns: repeat(6, 1fr); }

.metric {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  min-height: 74px;
}

.metric p {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--gray-400);
  margin-bottom: 8px;
}

.metric strong { font-size: 1.5rem; font-weight: 700; }

.t-green  { color: #15803d; }
.t-red    { color: #b91c1c; }
.t-yellow { color: #a16207; }
.t-purple { color: #7e22ce; }
.t-muted  { color: var(--gray-500); }

/* ---------- Ações rápidas ---------- */
.actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }

.actions button {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 600;
  color: #374151;
  transition: box-shadow 0.2s;
}

.actions button:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.08); }

.chip {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 16px;
}

.chip--blue   { background: #eff6ff; }
.chip--purple { background: #faf5ff; }
.chip--green  { background: #f0fdf4; }
.chip--yellow { background: #fefce8; }
.chip--red    { background: #fef2f2; }
.chip--gray   { background: #f3f4f6; }

/* ---------- Tabela do dashboard ---------- */
.table-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  margin-top: 1.2rem;
}

.table-card__head {
  padding: 12px 16px;
  border-bottom: 1px solid #f3f4f6;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.table-card__head p { font-size: 13.5px; font-weight: 700; color: #374151; }
.table-card__head a { font-size: 12px; font-weight: 600; color: var(--red); }

.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }

th {
  text-align: left;
  padding: 8px 16px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--gray-400);
  background: #f9fafb;
  border-bottom: 1px solid #f3f4f6;
  white-space: nowrap;
}

td { padding: 8px 16px; border-bottom: 1px solid #f9fafb; white-space: nowrap; }

tr.is-cancelled { opacity: 0.4; }

.mono { font-family: ui-monospace, monospace; font-weight: 700; }
.student { color: var(--gray-400); font-size: 12px; font-weight: 400; }

/* Badges de modalidade e status */
.badge {
  font-size: 11.5px;
  font-weight: 600;
  padding: 2px 9px;
  border-radius: 999px;
  white-space: nowrap;
}

.badge--online     { background: #f3f4f6; color: #374151; }
.badge--presencial { background: #fef2f2; color: #b91c1c; }
.badge--domicilio  { background: #eff6ff; color: #1d4ed8; }
.badge--confirmada { background: #f0fdf4; color: #15803d; }
.badge--pendente   { background: #fefce8; color: #a16207; }
.badge--cancelada  { background: #f3f4f6; color: var(--gray-500); }
.badge--fixa       { background: transparent; color: #3b82f6; font-weight: 500; }

/* ---------- Lista de aulas (escala) ---------- */
.lessons { display: grid; gap: 8px; }

.lesson {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.lesson.is-cancelled { opacity: 0.45; }

.lesson__time {
  font-family: ui-monospace, monospace;
  font-weight: 700;
  font-size: 14px;
  min-width: 92px;
}

.lesson__time small { color: var(--gray-400); font-weight: 500; }

.lesson__main { flex: 1; min-width: 220px; }

.lesson__line {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.lesson__line strong { font-size: 14px; }

.lesson__teacher { font-size: 12px; color: var(--gray-500); margin-top: 3px; }
.lesson__teacher.no-teacher { color: var(--red); font-weight: 700; }

.lesson__actions { display: flex; gap: 4px; margin-left: auto; }

.lesson__actions button {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font-size: 13px;
  color: var(--gray-500);
  background: #fff;
}

/* ---------- Resumo estilo WhatsApp ---------- */
.wa-summary {
  background: var(--sidebar);
  border-radius: 10px;
  padding: 16px;
  font-family: ui-monospace, monospace;
  font-size: 12px;
  color: #4ade80;
  white-space: pre;
  overflow-x: auto;
  line-height: 1.7;
}

/* ---------- Responsividade ---------- */
@media (max-width: 900px) {
  .metrics--6 { grid-template-columns: repeat(3, 1fr); }
  .metrics--5 { grid-template-columns: repeat(3, 1fr); }
  .metrics--4 { grid-template-columns: repeat(2, 1fr); }
  .actions { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    top: var(--banner-h);
    left: 0;
    bottom: 0;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    box-shadow: 0 0 40px rgba(0,0,0,0.4);
  }

  .sidebar.is-open { transform: translateX(0); }
  .sidebar__close { display: block; }
  .topbar__burger { display: block; }
  .demo-banner { font-size: 11px; }
  .content { padding: 1rem; }
}