/* Presença CRC - design system. Mobile-first, sem dependências externas. */
:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-2: #eef1f4;
  --border: #d5dbe1;
  --control-border: #6b7785; /* 4.56:1 sobre #fff */
  --text: #17202a;
  --text-muted: #4b5866;
  --accent: #1f5fbf;
  --accent-contrast: #ffffff;
  --focus: #0b57d0;

  --green-bg: #dff3e4; --green-fg: #0d5a26; --green-bd: #8fd0a2;
  --amber-bg: #fdefc8; --amber-fg: #6b4300; --amber-bd: #e8c15f;
  --red-bg: #fbe0dd;   --red-fg: #9b1c12;   --red-bd: #ec9d96;
  --gray-bg: #e8ebee;  --gray-fg: #3e4a56;  --gray-bd: #c3cad1;
  --blue-bg: #dce9fb;  --blue-fg: #0f4a9e;  --blue-bd: #9bbdee;

  --radius: 12px;
  --shadow: 0 1px 2px rgba(20, 30, 40, .08);
  --tap: 44px;
  --nav-h: 64px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
/* Padrão: tema claro (fundo branco). O escuro só vale se a página declarar data-theme="dark". */
:root[data-theme="dark"] {
    --bg: #11161c;
    --surface: #1a2129;
    --surface-2: #232c36;
    --border: #35414d;
    --control-border: #7d8b99; /* 4.66:1 sobre #1a2129 */
    --text: #e8edf2;
    --text-muted: #aab6c2;
    --accent: #7db0ff;
    --accent-contrast: #0b1522;
    --focus: #9cc2ff;

    --green-bg: #12361f; --green-fg: #8fe0a8; --green-bd: #2c6a40;
    --amber-bg: #3d2d08; --amber-fg: #f6cf72; --amber-bd: #7a5c14;
    --red-bg: #471a16;   --red-fg: #ffb3ab;   --red-bd: #86342d;
    --gray-bg: #2a333d;  --gray-fg: #c4ced8;  --gray-bd: #425060;
    --blue-bg: #14305a;  --blue-fg: #a9ccff;  --blue-bd: #2f5a96;
    --shadow: none;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.5 var(--font);
}
h1, h2, h3 { line-height: 1.25; margin: 0 0 .4em; }
h1 { font-size: 1.5rem; } h2 { font-size: 1.15rem; } h3 { font-size: 1rem; }
p { margin: 0 0 .75em; }
a { color: var(--accent); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 6px; }

.skip-link { position: absolute; left: -999px; top: 0; background: var(--surface); padding: 8px 12px; z-index: 100; }
.skip-link:focus { left: 8px; top: 8px; }

/* Layout */
.shell { min-height: 100vh; }
.main { padding-bottom: calc(var(--nav-h) + 16px); max-width: 1100px; margin: 0 auto; }
.content { padding: 16px; }

/* Navegação: barra inferior no celular */
.nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
  background: var(--surface); border-top: 1px solid var(--border);
  padding-bottom: env(safe-area-inset-bottom);
}
.brand { display: none; }
.nav-list { list-style: none; margin: 0; padding: 0; display: flex; }
.nav-list li { flex: 1; min-width: 0; }
.nav-link {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  min-height: var(--nav-h); padding: 6px 2px; text-decoration: none;
  color: var(--text-muted); font-size: .72rem; font-weight: 600;
}
.nav-icon { font-size: 1.25rem; line-height: 1; }
.l-full { display: none; }
.nav-label { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-link[aria-current="page"] { color: var(--accent); box-shadow: inset 0 3px 0 var(--accent); background: var(--surface-2); }

@media (min-width: 900px) {
  .shell { display: grid; grid-template-columns: 232px 1fr; }
  .main { padding-bottom: 24px; width: 100%; }
  .content { padding: 24px; }
  .nav {
    position: sticky; top: 0; height: 100vh; border-top: 0; border-right: 1px solid var(--border);
    padding: 20px 12px;
  }
  .brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.05rem; margin: 0 8px 20px; }
  .brand-mark {
    display: grid; place-items: center; width: 34px; height: 34px; border-radius: 9px;
    background: var(--accent); color: var(--accent-contrast); font-weight: 800;
  }
  .nav-list { flex-direction: column; gap: 4px; }
  .nav-link {
    flex-direction: row; justify-content: flex-start; gap: 12px; min-height: var(--tap);
    padding: 8px 12px; border-radius: 10px; font-size: .95rem;
  }
  .l-full { display: inline; } .l-short { display: none; }
  .nav-link[aria-current="page"] { box-shadow: inset 4px 0 0 var(--accent); }
}

/* Health strip */
.health {
  display: flex; flex-wrap: wrap; gap: 8px; padding: 10px 16px;
  background: var(--surface); border-bottom: 1px solid var(--border);
}
@media (min-width: 900px) { .health { padding: 12px 24px; } }
.badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; min-height: 28px;
  border-radius: 999px; font-size: .82rem; font-weight: 600; border: 1px solid var(--gray-bd);
  background: var(--gray-bg); color: var(--gray-fg);
}
.badge-engine { background: var(--blue-bg); color: var(--blue-fg); border-color: var(--blue-bd); }
.badge-green { background: var(--green-bg); color: var(--green-fg); border-color: var(--green-bd); }
.badge-amber { background: var(--amber-bg); color: var(--amber-fg); border-color: var(--amber-bd); }
.badge-red { background: var(--red-bg); color: var(--red-fg); border-color: var(--red-bd); }
.badge-muted { background: transparent; color: var(--text-muted); border-color: transparent; font-weight: 500; }

/* Cabeçalho de página */
.page-header { margin-bottom: 16px; }
.subtitle { color: var(--text-muted); margin: 0; }
.eyebrow { text-transform: uppercase; letter-spacing: .06em; font-size: .75rem; font-weight: 700; color: var(--text-muted); margin-bottom: 4px; }

/* Cards */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px; margin-bottom: 16px;
}
.card-title { margin-bottom: 4px; }
.next-when { font-size: 1.05rem; font-weight: 600; }
.countdown { color: var(--accent); font-variant-numeric: tabular-nums; margin-left: 6px; }
.grid { display: grid; gap: 16px; }
@media (min-width: 700px) { .grid-2 { grid-template-columns: 1fr 1fr; } }

/* Chips de status */
.chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; min-height: 28px;
  border-radius: 999px; border: 1px solid; font-size: .82rem; font-weight: 600; white-space: nowrap;
}
.chip-icon { font-weight: 800; width: 1em; text-align: center; }
.chip-green { background: var(--green-bg); color: var(--green-fg); border-color: var(--green-bd); }
.chip-amber { background: var(--amber-bg); color: var(--amber-fg); border-color: var(--amber-bd); }
.chip-red   { background: var(--red-bg);   color: var(--red-fg);   border-color: var(--red-bd); }
.chip-gray  { background: var(--gray-bg);  color: var(--gray-fg);  border-color: var(--gray-bd); }
.chip-blue  { background: var(--blue-bg);  color: var(--blue-fg);  border-color: var(--blue-bd); }

/* Lista de alunos */
.student-list { list-style: none; margin: 12px 0 0; padding: 0; }
.student-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; min-height: var(--tap);
  padding: 8px 0; border-top: 1px solid var(--border);
}
.student-name { flex: 1 1 140px; font-weight: 600; min-width: 0; overflow-wrap: anywhere; }
.student-text { flex: 1 1 100%; color: var(--text-muted); font-size: .88rem; }
@media (min-width: 700px) { .student-text { flex: 0 1 auto; } }

/* Painel ao vivo */
.live-panel { border-left: 4px solid var(--blue-bd); }
.live-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }

/* Banners */
.banner {
  display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: var(--radius);
  border: 1px solid; margin-bottom: 16px;
}
.banner-icon { font-weight: 800; width: 1.2em; text-align: center; flex: none; }
.banner-ok    { background: var(--green-bg); color: var(--green-fg); border-color: var(--green-bd); }
.banner-aviso { background: var(--amber-bg); color: var(--amber-fg); border-color: var(--amber-bd); }
.banner-erro  { background: var(--red-bg);   color: var(--red-fg);   border-color: var(--red-bd); }
.banner-info  { background: var(--blue-bg);  color: var(--blue-fg);  border-color: var(--blue-bd); }

.empty-state { text-align: center; padding: 32px 16px; color: var(--text-muted); border: 2px dashed var(--border); border-radius: var(--radius); }
.empty-icon { display: block; font-size: 2rem; margin-bottom: 4px; }

/* Botões e formulários */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: var(--tap); min-width: var(--tap); padding: 8px 18px; border-radius: 10px;
  border: 1px solid var(--accent); background: var(--accent); color: var(--accent-contrast);
  font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
}
.btn:hover { filter: brightness(1.08); }
.btn-secondary { background: transparent; color: var(--accent); }
.btn-danger { background: var(--red-fg); border-color: var(--red-fg); color: var(--surface); }
.btn[disabled], .btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; }

.field { margin-bottom: 14px; }
.field label { display: block; font-weight: 600; margin-bottom: 4px; }
.hint { color: var(--text-muted); font-size: .85rem; margin-top: 4px; }
input:not([type]), input[type=text], input[type=url], input[type=tel], input[type=time], input[type=date], input[type=number],
input[type=email], input[type=password], select, textarea {
  width: 100%; min-height: var(--tap); padding: 8px 12px; font: inherit; font-size: max(16px, 1rem); color: var(--text);
  background: var(--surface); border: 1px solid var(--control-border); border-radius: 10px;
}
input[type=checkbox], input[type=radio] { width: 22px; height: 22px; accent-color: var(--accent); }
.check { display: flex; align-items: center; gap: 10px; min-height: var(--tap); }

/* Tabelas: viram cartões empilhados no celular */
.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); }
.table th, .table td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
@media (max-width: 699px) {
  .table, .table tbody, .table tr, .table td { display: block; width: 100%; }
  .table thead { position: absolute; left: -9999px; }
  .table tr { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 12px; padding: 6px 0; }
  .table td { border: 0; padding: 6px 14px; display: flex; justify-content: space-between; gap: 12px; align-items: center; }
  .table td::before { content: attr(data-label); font-weight: 600; color: var(--text-muted); font-size: .85rem; }
}

/* Lista de relatórios */
.report-list { list-style: none; margin: 0; padding: 0; }
.report-item {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px;
  min-height: var(--tap); padding: 12px 0; border-bottom: 1px solid var(--border);
}
.muted { color: var(--text-muted); }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }
/* Dashboard e relatórios: pilha de cards, texto do portal, formulário inline e paginação. */
.card-stack { display: flex; flex-direction: column; gap: 8px; }
.card-stack > p { margin: 0; }
.inline-form { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0; }
.portal-text {
  display: block; max-width: 100%; margin: 8px 0 0; padding: 10px 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: .9rem; line-height: 1.4; color: var(--text);
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px;
  white-space: pre-wrap; overflow-wrap: anywhere; word-break: normal;
}
.pager { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; margin: 16px 0; }

/* Rodada final de interface */
.link-action { display: inline-flex; align-items: center; min-height: var(--tap); padding: 0 4px; }
summary.link-action { cursor: pointer; }
.btn-row { align-items: center; }
.btn-danger:hover { filter: brightness(1.15); }
.field > input, .field > select, .field > textarea { display: block; }
fieldset { border: 1px solid var(--border); border-radius: var(--radius); padding: 8px 14px 10px; margin: 0 0 14px; min-width: 0; }
legend { font-weight: 700; padding: 0 6px; }
.field-error { display: block; margin-top: 4px; color: var(--red-fg); font-weight: 700; font-size: .9rem; }
.field-error::before { content: "\2715\a0"; }
[aria-invalid="true"] { border: 2px solid var(--red-fg); }
fieldset[aria-describedby] { border: 2px solid var(--red-fg); }

/* Saída na faixa de saúde */
.health-logout { margin-left: auto; }
.health-logout .btn { min-height: var(--tap); padding: 4px 14px; }
.hint { margin: 0 0 12px; }

/* Calendário de datas */
.calendar { margin: 8px 0 12px; }
.cal-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.cal-title { text-transform: capitalize; }
.cal-nav { padding: 0 14px; font-size: 1.4rem; line-height: 1; }
.cal-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; }
.cal-wd { text-align: center; font-size: .8rem; font-weight: 700; color: var(--text-muted); padding: 4px 0; }
.cal-day {
  min-height: var(--tap); min-width: 0; padding: 0; font: inherit; font-size: .95rem; cursor: pointer;
  color: var(--text); background: var(--surface); border: 1px solid var(--control-border); border-radius: 8px;
}
.cal-day.cal-on { background: var(--accent); color: var(--accent-contrast); border-color: var(--accent); font-weight: 800; }
.cal-day:disabled { opacity: .45; cursor: not-allowed; background: var(--surface-2); }

/* Lista de datas escolhidas, com horário individual opcional ao lado de cada data */
[hidden] { display: none !important; }
.date-list { margin: 4px 0 14px; }
.date-list-title { font-weight: 700; margin: 0 0 6px; }
.date-rows { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.date-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px;
  padding: 6px 10px; min-height: var(--tap);
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px;
}
.date-label { flex: 1 1 5.5rem; font-weight: 600; }
input.date-time { width: 6.5rem; flex: 0 0 auto; text-align: center; font-variant-numeric: tabular-nums; }
input[aria-invalid="true"].date-time, input[data-time][aria-invalid="true"] { border: 2px solid var(--red-fg); }
.btn-sm { min-height: var(--tap); padding: 0 12px; font-size: .9rem; }

/* Alunos: cartões legíveis, lista antes do formulário */
.section-title { font-size: 1.15rem; margin: 8px 0 10px; }
.section-title .count {
  display: inline-block; min-width: 1.6em; padding: 0 8px; margin-left: 6px; text-align: center;
  font-size: .9rem; font-weight: 700; color: var(--accent-contrast); background: var(--accent); border-radius: 999px;
}
.student-cards { list-style: none; margin: 0 0 16px; padding: 0; display: grid; gap: 10px; }
.student-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; box-shadow: var(--shadow); }
.student-head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; }
.student-card .student-name { flex: 1 1 12rem; font-size: 1.1rem; overflow-wrap: anywhere; }
.student-meta { margin: 6px 0 0; color: var(--text-muted); overflow-wrap: anywhere; }
.student-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; align-items: center; }
.student-actions .inline-form { margin: 0; }
.student-card .hint { margin: 6px 0 0; }
.new-student { margin: 16px 0; }
.new-student > summary { display: flex; align-items: center; cursor: pointer; list-style: none; font-weight: 700; margin-bottom: 10px; }
.new-student > summary::-webkit-details-marker { display: none; }

/* Relatórios: seleção e limpeza */
.clear-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; }
.clear-bar .check { margin: 0; }
.clear-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-left: auto; }
.clear-bar .hint { flex: 1 1 100%; margin: 0; }
.report-item { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; }
.report-item input[type=checkbox] { flex: 0 0 auto; }
.report-item .inline-form { margin-left: auto; }
button:disabled, .btn:disabled { opacity: .5; cursor: not-allowed; }