/* ibsala v2 — estrutura do v1 repaginada.
   DNA herdado: fundo claro azulado, cards brancos, navy #002555 + ouro #F5AC00,
   Inter, filete dourado no topo, header-card com listra azul→ouro. */

:root {
  --bg: #f7faff;
  --bg2: #eef3fb;
  --bg3: #e3ebf6;
  --surface: #ffffff;
  --border: #d6deec;
  --border-soft: #e9eef7;
  --blue: #002555;
  --blue-2: #0a3570;
  --gold: #F5AC00;
  --gold-dim: #d89700;
  --gold-soft: #fff4d0;
  --green: #16a34a;
  --green-soft: #ddf5e4;
  --text: #0b1220;
  --text-dim: #475168;
  --text-muted: #62708c;
  --shadow-sm: 0 1px 2px rgba(0,37,85,.05);
  --shadow-md: 0 4px 16px rgba(0,37,85,.08), 0 1px 3px rgba(0,37,85,.05);
  --r-md: 10px;
  --r-lg: 14px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0f17;
    --bg2: #141a28;
    --bg3: #1c2436;
    --surface: #161c2c;
    --border: #2a3350;
    --border-soft: #1f2740;
    --blue: #6b9dff;
    --blue-2: #5688e8;
    --gold: #F5AC00;
    --gold-dim: #d89700;
    --gold-soft: #3a2a00;
    --green: #2ecc71;
    --green-soft: #0d2b1a;
    --text: #e8edf8;
    --text-dim: #a8b4d0;
    --text-muted: #8896c0; /* sólido; nunca opacity em texto */
    --shadow-sm: 0 1px 2px rgba(0,0,0,.35);
    --shadow-md: 0 4px 16px rgba(0,0,0,.45), 0 1px 3px rgba(0,0,0,.35);
  }
}

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

html { height: 100%; }

body {
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  /* o filete dourado do v1 */
  border-top: 3px solid var(--gold);
  }

main {
  max-width: 640px;
  margin: 0 auto;
  padding: calc(20px + env(safe-area-inset-top)) 18px 28px;
}

/* header-card do v1: listra vertical azul→ouro + mark com bolinha dourada */
.topo {
  position: relative;
  display: block;
  max-width: 604px;
  margin: 18px auto 0;
  background: linear-gradient(135deg, var(--surface) 0%, var(--bg2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 14px 18px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.topo::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--blue) 0%, var(--gold) 100%);
}

.marca { display: flex; align-items: center; gap: 10px; }

.marca-nome {
  display: block;
  font-size: 19px;
  font-weight: 900;
  letter-spacing: 1.2px;
  color: var(--blue);
  line-height: 1.2;
}

.marca-sub { display: block; font-size: 12.5px; color: var(--text-muted); }

.marca img { border-radius: 7px; box-shadow: 0 2px 8px rgba(0,37,85,.18); }


@media (max-width: 640px) { .topo { margin: 14px 18px 0; } }

.tela { display: none; }
.tela.ativa { display: block; }

/* hero de salas livres: card destacado, número grande navy, contagem no ouro */
.painel-cabeca {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
  padding: 20px 20px 16px;
  margin-top: 16px;
}

.painel-cabeca h1 {
  font-size: 56px;
  line-height: 1.05;
  font-weight: 900;
  color: var(--blue);
}

.painel-cabeca h1.menor { font-size: 26px; }

.painel-cabeca p { color: var(--text-dim); margin-top: 2px; }

.grade-salas {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 0 2px;
}

.sala-chip {
  font-size: 13.5px;
  font-weight: 600;
  padding: 5px 12px;
  color: var(--text);
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.secao {
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 26px 4px 8px;
}

/* listas em card branco, linhas divididas (estrutura do v1) */
.board {
  list-style: none;
  padding: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.board:empty { display: none; }

.board li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "disc  sala"
    "meta  sala"
    "acoes acoes";
  gap: 2px 12px;
  padding: 12px 16px;
}

.board li + li { border-top: 1px solid var(--border-soft); }

.board .sala {
  grid-area: sala;
  align-self: center;
  font-size: 17px;
  font-weight: 800;
  color: var(--blue);
  background: var(--gold-soft);
  border-radius: var(--r-md);
  padding: 6px 12px;
  white-space: nowrap;
}

.board .disc { grid-area: disc; font-weight: 600; overflow-wrap: anywhere; }

.board .meta { grid-area: meta; color: var(--text-muted); font-size: 13.5px; overflow-wrap: anywhere; }

.board .acoes { grid-area: acoes; display: flex; gap: 8px; padding-top: 8px; }

.vazio { color: var(--text-muted); padding: 12px 4px; }

.busca-wrap { display: block; padding-top: 16px; }

input[type="search"], input[type="text"] {
  width: 100%;
  padding: 12px 14px;
  font-size: 16px;
  font-family: var(--font);
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-sm);
}

input:focus-visible, button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.linha-form { display: flex; gap: 8px; padding-top: 10px; }

/* botão primário do v1: gradiente dourado com texto escuro */
.botao-primario {
  font-family: var(--font);
  font-weight: 700;
  font-size: 15px;
  color: #241a00;
  background: linear-gradient(180deg, var(--gold) 0%, var(--gold-dim) 100%);
  border: 0;
  border-radius: var(--r-md);
  padding: 12px 18px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.botao-raso {
  margin-top: 22px;
  font-size: 14px;
  color: var(--text-dim);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 10px 16px;
  cursor: pointer;
}

.mini {
  font-family: var(--font);
  font-size: 13px;
  padding: 4px 10px;
  color: var(--text);
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 7px;
  cursor: pointer;
}

/* home do v1: menu de botões grandes */
.menu { display: flex; flex-direction: column; gap: 12px; padding-top: 18px; }

.btn-menu {
  width: 100%;
  font-family: var(--font);
  font-weight: 700;
  font-size: 15.5px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 15px 18px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.btn-menu.primario {
  color: #241a00;
  background: linear-gradient(180deg, var(--gold) 0%, var(--gold-dim) 100%);
  border-color: transparent;
}

.eyebrow {
  padding-top: 22px;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 2.2px;
  text-transform: uppercase;
  color: var(--gold-dim);
}

.tagline { color: var(--text-dim); padding-top: 2px; }

.saiba {
  display: inline-block;
  margin-top: 26px;
  color: var(--text-dim);
  font-size: 14px;
}

.voltar {
  margin-top: 14px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
  background: none;
  border: 0;
  padding: 4px 0;
  cursor: pointer;
}

.pills { display: flex; flex-wrap: wrap; gap: 7px; padding-top: 12px; }

.pill {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-dim);
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 11px;
}

.pill-azul { color: #fff; background: var(--blue-2); border-color: transparent; }

.rodape {
  max-width: 640px;
  margin: 30px auto 0;
  padding: 16px 18px calc(20px + env(safe-area-inset-bottom));
  border-top: 2px solid var(--gold);
  color: var(--text-muted);
  font-size: 13px;
  text-align: center;
}

#toast {
  position: fixed;
  left: 50%;
  bottom: 92px;
  transform: translateX(-50%) translateY(20px);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  color: var(--text);
  padding: 10px 16px;
  border-radius: var(--r-md);
  opacity: 0;
  transition: opacity .18s, transform .18s;
  pointer-events: none;
  max-width: 90vw;
}

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

@media (prefers-reduced-motion: reduce) {
  #toast { transition: none; }
}