/* =====================================================================
 * estilo.css — Tecnovia Academy LMS
 * Marca: navy #011F68 · laranja #FE4C02 · Lexend
 * Mobile-first, WCAG AA, touch targets >= 44px
 * ===================================================================== */
:root {
  --navy: #011F68;
  --navy-700: #0A2E86;
  --orange: #FE4C02;
  --orange-600: #E23F00;
  --fg: #0F172A;
  --muted: #475569;
  --bg: #F4F7FB;
  --surface: #FFFFFF;
  --border: #E2E8F0;
  --ok: #16A34A;
  --warn: #D97706;
  --danger: #DC2626;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(2,10,40,.08), 0 8px 24px rgba(2,10,40,.06);
  --tap: 44px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Lexend', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.55;
  font-size: 16px;
}
h1,h2,h3 { line-height: 1.2; color: var(--navy); margin: 0 0 .4em; }
a { color: var(--navy-700); }

/* ---- Topo ---------------------------------------------------------- */
.topo {
  background: var(--navy);
  color: #fff;
  padding: 14px 18px;
  display: flex; align-items: center; gap: 12px;
  position: sticky; top: 0; z-index: 40;
}
.topo .logo { font-weight: 700; letter-spacing: .5px; font-size: 18px; }
.topo .logo b { color: var(--orange); }
.topo .cresce { flex: 1; }
.topo a, .topo button {
  color: #fff; text-decoration: none; background: transparent;
  border: 1px solid rgba(255,255,255,.25); border-radius: 10px;
  padding: 8px 12px; min-height: var(--tap); cursor: pointer; font: inherit;
}

/* ---- Layout -------------------------------------------------------- */
.wrap { max-width: 1080px; margin: 0 auto; padding: 18px; }
.grelha { display: grid; gap: 14px; }
@media (min-width: 768px) { .grelha.cols-2 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px){ .grelha.cols-3 { grid-template-columns: repeat(3,1fr); } }

/* ---- Cartões ------------------------------------------------------- */
.cartao {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px;
}
.cartao h3 { font-size: 17px; }
.rotulo {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .5px; padding: 4px 10px; border-radius: 999px;
}
.rotulo.obrig { background: #FEE2E2; color: var(--danger); }
.rotulo.curso { background: #DBEAFE; color: var(--navy); }
.rotulo.feito { background: #DCFCE7; color: var(--ok); }
.rotulo.prazo { background: #FEF3C7; color: var(--warn); }

/* ---- Barra de progresso ------------------------------------------- */
.barra { background: #E5EAF3; height: 10px; border-radius: 999px; overflow: hidden; margin: 10px 0 6px; }
.barra > i { display: block; height: 100%; background: var(--orange); border-radius: 999px; transition: width .3s ease; }
.pct { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }

/* ---- Botões -------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: var(--tap); padding: 10px 18px; border-radius: 10px;
  border: none; font: inherit; font-weight: 600; cursor: pointer;
  text-decoration: none; transition: background .18s ease, transform .05s ease;
  touch-action: manipulation;
}
.btn:active { transform: scale(.98); }
.btn-primario { background: var(--orange); color: #fff; }
.btn-primario:hover { background: var(--orange-600); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy-700); }
.btn-fantasma { background: transparent; color: var(--navy); border: 1px solid var(--border); }
.btn:focus-visible { outline: 3px solid #93C5FD; outline-offset: 2px; }

/* ---- Formulários --------------------------------------------------- */
.campo { margin-bottom: 14px; }
.campo label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; color: var(--fg); }
.campo input, .campo select {
  width: 100%; padding: 12px 14px; font: inherit; font-size: 16px; /* 16px evita zoom iOS */
  border: 1px solid var(--border); border-radius: 10px; background: #fff; color: var(--fg);
  min-height: var(--tap);
}
.campo input:focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 3px #DBEAFE; }
.erro-msg { color: var(--danger); font-size: 14px; margin-top: 8px; min-height: 20px; }

/* ---- Secção de dashboard ------------------------------------------ */
.seccao-titulo { display: flex; align-items: center; gap: 10px; margin: 26px 0 12px; }
.seccao-titulo h2 { margin: 0; font-size: 20px; }
.seccao-titulo .conta {
  background: var(--navy); color: #fff; font-size: 13px; font-weight: 700;
  border-radius: 999px; padding: 2px 10px; min-width: 24px; text-align: center;
}
.vazio { color: var(--muted); font-size: 15px; padding: 18px; text-align: center;
         border: 1px dashed var(--border); border-radius: var(--radius); background: #fff; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}