/* ============================================================
   Controlo de Acessos à Mina — sistema de design
   Identidade: "sala de controlo" — grafite + âmbar de segurança
   ============================================================ */
:root{
  --graphite-900:#111820;
  --graphite-800:#1a232e;
  --graphite-700:#26313d;
  --graphite-600:#33404e;

  --brand:#e2890b;        /* âmbar de segurança */
  --brand-600:#c6760a;
  --brand-tint:#fbf1de;

  --bg:#eef1f5;
  --surface:#ffffff;
  --surface-2:#f7f9fb;
  --line:#e3e8ee;
  --line-strong:#cfd6df;

  --ink:#1b2430;
  --ink-2:#4a5766;
  --muted:#7a8798;

  --ok:#15794c;      --ok-bg:#e4f5ec;
  --warn:#a9640a;    --warn-bg:#fbeecf;
  --danger:#bb2d24;  --danger-bg:#fce4e1;
  --info:#1f5fbd;    --info-bg:#e2edfb;
  --neutral:#5b6675; --neutral-bg:#eceff3;

  --radius:12px;
  --radius-sm:8px;
  --shadow:0 1px 2px rgba(20,30,45,.06), 0 4px 16px rgba(20,30,45,.05);
  --shadow-lg:0 12px 40px rgba(20,30,45,.16);
  --sidebar-w:250px;

  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  font-size:15px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

/* ---------- Estrutura ---------- */
.app{display:flex;min-height:100vh}

.sidebar{
  width:var(--sidebar-w);
  background:linear-gradient(180deg,var(--graphite-900),var(--graphite-800));
  color:#c9d3df;
  display:flex;flex-direction:column;
  position:fixed;inset:0 auto 0 0;
  z-index:40;
}
.brand{display:flex;align-items:center;gap:12px;padding:22px 20px 18px}
.brand__mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:10px;
  background:var(--brand);color:#231603;
  display:grid;place-items:center;box-shadow:0 4px 12px rgba(226,137,11,.35)}
.brand__mark svg{width:22px;height:22px}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__text strong{color:#fff;font-size:16px}
.brand__text span{color:#8695a6;font-size:11.5px;letter-spacing:.02em}

.nav{display:flex;flex-direction:column;gap:2px;padding:8px 12px;overflow-y:auto;flex:1}
.nav__item{
  display:flex;align-items:center;gap:12px;
  padding:10px 12px;border-radius:9px;
  color:#adb9c8;font-size:14px;font-weight:500;
  border-left:3px solid transparent;
  transition:background .15s,color .15s}
.nav__item:hover{background:rgba(255,255,255,.06);color:#eaf0f6}
.nav__item.is-active{
  background:rgba(226,137,11,.14);
  color:#fff;border-left-color:var(--brand)}
.nav__icon{display:grid;place-items:center;width:20px;height:20px;flex:0 0 20px}
.nav__icon svg{width:19px;height:19px}
.sidebar__foot{padding:14px 20px;font-size:11px;color:#66748a;border-top:1px solid rgba(255,255,255,.06)}

.main{flex:1;margin-left:var(--sidebar-w);display:flex;flex-direction:column;min-width:0}
.topbar{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;gap:14px;
  padding:14px 26px;background:rgba(255,255,255,.86);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar__title{font-size:19px}
.topbar__meta{margin-left:auto;color:var(--muted);font-size:13px;font-variant-numeric:tabular-nums}
.hamburger{display:none;cursor:pointer;color:var(--ink-2)}
.hamburger svg{width:24px;height:24px}
.content{padding:26px;max-width:1240px;width:100%;margin:0 auto}

.menu-toggle-input,.scrim{display:none}

/* ---------- Alertas ---------- */
.alert{padding:12px 16px;border-radius:var(--radius-sm);margin-bottom:18px;font-size:14px;font-weight:500;border:1px solid transparent}
.alert--sucesso{background:var(--ok-bg);color:var(--ok);border-color:#bfe6d0}
.alert--erro{background:var(--danger-bg);color:var(--danger);border-color:#f2c7c2}
.alert--info{background:var(--info-bg);color:var(--info);border-color:#c6dcf7}

/* ---------- Cabeçalho de página ---------- */
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.page-head p{margin:4px 0 0;color:var(--ink-2);font-size:14px}
.page-head .eyebrow{font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--brand-600)}

/* ---------- Botões ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:9px;border:1px solid transparent;
  font:inherit;font-weight:600;font-size:14px;cursor:pointer;
  transition:background .15s,border-color .15s,transform .05s}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--graphite-800);color:#fff}
.btn--primary:hover{background:var(--graphite-700)}
.btn--brand{background:var(--brand);color:#231603}
.btn--brand:hover{background:var(--brand-600)}
.btn--ghost{background:var(--surface);color:var(--ink-2);border-color:var(--line-strong)}
.btn--ghost:hover{background:var(--surface-2);color:var(--ink)}
.btn--danger{background:var(--danger-bg);color:var(--danger)}
.btn--danger:hover{background:#f8d4cf}
.btn--sm{padding:6px 11px;font-size:13px}
.btn svg{width:17px;height:17px}

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

/* ---------- Cartões / painéis ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;border-bottom:1px solid var(--line)}
.card__head h2{font-size:15px}
.card__body{padding:18px 20px}
.section{margin-bottom:26px}

/* ---------- KPIs ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;margin-bottom:24px}
.kpi{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.kpi::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--brand)}
.kpi.is-ok::before{background:var(--ok)}
.kpi.is-warn::before{background:var(--warn)}
.kpi.is-danger::before{background:var(--danger)}
.kpi.is-info::before{background:var(--info)}
.kpi__label{color:var(--muted);font-size:12.5px;font-weight:600;letter-spacing:.01em;text-transform:uppercase}
.kpi__value{font-size:30px;font-weight:800;letter-spacing:-.02em;line-height:1.1;margin-top:6px;font-variant-numeric:tabular-nums}
.kpi__foot{color:var(--ink-2);font-size:12.5px;margin-top:4px}

/* ---------- Tabelas ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius)}
table.data{width:100%;border-collapse:collapse;font-size:14px;background:var(--surface)}
table.data th,table.data td{padding:12px 16px;text-align:left;vertical-align:middle}
table.data thead th{
  background:var(--surface-2);color:var(--ink-2);
  font-size:11.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  border-bottom:1px solid var(--line-strong);white-space:nowrap}
table.data tbody tr{border-bottom:1px solid var(--line)}
table.data tbody tr:last-child{border-bottom:0}
table.data tbody tr:hover{background:var(--surface-2)}
table.data td.num{font-variant-numeric:tabular-nums;text-align:right}
.cell-strong{font-weight:600;color:var(--ink)}
.cell-sub{color:var(--muted);font-size:12.5px}

/* ---------- Badges ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:100px;font-size:12px;font-weight:600;white-space:nowrap}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.badge--ok{background:var(--ok-bg);color:var(--ok)}
.badge--warn{background:var(--warn-bg);color:var(--warn)}
.badge--danger{background:var(--danger-bg);color:var(--danger)}
.badge--info{background:var(--info-bg);color:var(--info)}
.badge--neutra{background:var(--neutral-bg);color:var(--neutral)}

/* avatar */
.avatar{width:34px;height:34px;border-radius:50%;object-fit:cover;background:var(--neutral-bg);
  display:inline-grid;place-items:center;color:var(--muted);font-weight:700;font-size:13px;flex:0 0 34px}
.person{display:flex;align-items:center;gap:11px}

/* ---------- Formulários ---------- */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.col-full{grid-column:1/-1}
.field label{font-size:13px;font-weight:600;color:var(--ink-2)}
.field input,.field select,.field textarea{
  font:inherit;font-size:14px;color:var(--ink);
  padding:10px 12px;border:1px solid var(--line-strong);border-radius:9px;
  background:var(--surface);width:100%;transition:border-color .15s,box-shadow .15s}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(226,137,11,.16)}
.field textarea{resize:vertical;min-height:74px}
.field .hint{font-size:12px;color:var(--muted)}

.filter-bar{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end;margin-bottom:18px}
.filter-bar .field{min-width:170px}

/* ---------- Modal ---------- */
.modal-input{display:none}
.modal{
  position:fixed;inset:0;z-index:60;display:none;
  align-items:flex-start;justify-content:center;
  padding:40px 16px;overflow-y:auto;
  background:rgba(17,24,32,.5);backdrop-filter:blur(3px)}
.modal-input:checked + .modal{display:flex}
.modal__box{background:var(--surface);width:100%;max-width:640px;border-radius:16px;box-shadow:var(--shadow-lg);animation:pop .16s ease}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}
.modal__head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--line)}
.modal__head h3{font-size:16px}
.modal__close{cursor:pointer;color:var(--muted);width:30px;height:30px;display:grid;place-items:center;border-radius:8px}
.modal__close:hover{background:var(--surface-2);color:var(--ink)}
.modal__body{padding:22px}
.modal__foot{display:flex;justify-content:flex-end;gap:10px;padding:16px 22px;border-top:1px solid var(--line);background:var(--surface-2);border-radius:0 0 16px 16px}

/* ---------- Estado vazio ---------- */
.empty{text-align:center;padding:52px 20px;color:var(--muted)}
.empty svg{width:42px;height:42px;margin-bottom:12px;color:var(--line-strong)}
.empty p{margin:0 0 14px;font-size:14px}

/* ---------- Barras (relatórios) ---------- */
.bars{display:flex;flex-direction:column;gap:12px}
.bar-row{display:grid;grid-template-columns:150px 1fr 52px;align-items:center;gap:12px;font-size:13px}
.bar-track{background:var(--surface-2);border-radius:100px;height:12px;overflow:hidden;border:1px solid var(--line)}
.bar-fill{height:100%;border-radius:100px;background:var(--brand)}
.bar-row .num{text-align:right;font-variant-numeric:tabular-nums;font-weight:600}

.split-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}

/* ---------- Responsivo ---------- */
@media (max-width:1000px){
  .split-2{grid-template-columns:1fr}
}
@media (max-width:860px){
  .sidebar{transform:translateX(-100%);transition:transform .22s ease}
  .menu-toggle-input:checked ~ .sidebar{transform:none;box-shadow:var(--shadow-lg)}
  .menu-toggle-input:checked ~ .scrim{display:block;position:fixed;inset:0;background:rgba(17,24,32,.45);z-index:35}
  .main{margin-left:0}
  .hamburger{display:grid;place-items:center}
  .content{padding:18px}
  .form-grid{grid-template-columns:1fr}
  .bar-row{grid-template-columns:110px 1fr 44px}
}
@media (max-width:520px){
  .topbar__meta{display:none}
  .kpi__value{font-size:26px}
  .page-head{align-items:flex-start}
}

/* ===================== Utilizador na topbar ===================== */
.topbar__user{margin-left:auto;display:flex;align-items:center;gap:12px}
.userchip{display:flex;align-items:center;gap:10px}
.userchip__avatar{
  width:34px;height:34px;border-radius:50%;flex:none;
  display:grid;place-items:center;font-weight:700;font-size:14px;
  background:var(--brand-tint);color:var(--brand-600);border:1px solid #f0dcb4}
.userchip__info{display:flex;flex-direction:column;line-height:1.15}
.userchip__info strong{font-size:13.5px;color:var(--ink)}
.userchip__info small{font-size:11.5px;color:var(--muted)}
@media (max-width:560px){.userchip__info{display:none}}

/* ===================== Detalhes de formulário ===================== */
.field__hint{font-weight:400;color:var(--muted);font-size:12px}
.modal__note{margin-top:14px;font-size:12.5px;color:var(--ink-2);
  background:var(--surface-2);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:10px 12px}
.btn--bloco{width:100%;justify-content:center}

/* ===================== Ecrã de login ===================== */
.login-body{
  min-height:100vh;display:grid;place-items:center;padding:24px;
  background:
    radial-gradient(1200px 500px at 50% -10%, rgba(226,137,11,.10), transparent 60%),
    linear-gradient(180deg,var(--graphite-900),var(--graphite-800));
}
.login{
  width:100%;max-width:390px;background:var(--surface);
  border-radius:16px;box-shadow:var(--shadow-lg);
  padding:30px 28px 26px;border:1px solid rgba(255,255,255,.06)}
.login__brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}
.login__mark{
  width:44px;height:44px;border-radius:11px;flex:none;display:grid;place-items:center;
  background:var(--graphite-800);color:var(--brand)}
.login__mark svg{width:24px;height:24px}
.login__brand strong{display:block;font-size:16px;color:var(--ink);letter-spacing:-.01em}
.login__brand span{display:block;font-size:12px;color:var(--muted)}
.login__title{font-size:20px;font-weight:700;color:var(--ink);margin:2px 0 4px}
.login__sub{font-size:13.5px;color:var(--ink-2);margin-bottom:18px}
.login__form{display:flex;flex-direction:column;gap:14px;margin-bottom:8px}
.login__form .field input{padding:11px 13px}
.login__hint{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line-strong);
  display:flex;flex-direction:column;gap:3px;font-size:12.5px;color:var(--ink-2)}
.login__hint strong{font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;
  color:var(--muted);margin-bottom:2px}
.login__hint code{background:var(--surface-2);border:1px solid var(--line);
  padding:1px 6px;border-radius:5px;font-size:12px;color:var(--ink)}