:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel-2: #273449;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-2: #0ea5e9;
  --danger: #ef4444;
  --ok: #22c55e;
  --warn: #f59e0b;
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

/* ---------- Topbar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 22px; background: linear-gradient(90deg, #0c4a6e, #075985);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand h1 { font-size: 19px; margin: 0; font-weight: 600; }
.logo { font-size: 24px; }
.logo-img { width: 32px; height: 32px; display: block; }
.login-brand .logo-img { width: 38px; height: 38px; }
.year-control { display: flex; align-items: center; gap: 10px; }
#year-label { font-size: 20px; font-weight: 700; min-width: 56px; text-align: center; }

/* ---------- Tabs ---------- */
.tabs {
  display: flex; gap: 4px; padding: 0 18px; background: var(--panel);
  border-bottom: 1px solid var(--border); flex-wrap: wrap;
}
.tab {
  background: none; border: none; color: var(--muted); padding: 13px 16px;
  cursor: pointer; font-size: 14px; border-bottom: 3px solid transparent;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }

/* ---------- Layout ---------- */
main { padding: 22px; max-width: 1500px; margin: 0 auto; }
.section-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; flex-wrap: wrap; gap: 10px;
}
.section-head h2 { margin: 0; font-size: 18px; }
.muted { color: var(--muted); }

/* ---------- Buttons ---------- */
button { font-family: inherit; }
.btn {
  background: var(--accent-2); color: #022; border: none; padding: 9px 16px;
  border-radius: 8px; cursor: pointer; font-weight: 600; font-size: 13.5px;
}
.btn:hover { background: var(--accent); }
.btn-secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { filter: brightness(1.1); }
.btn-icon {
  background: rgba(255,255,255,0.08); color: var(--text); border: none;
  width: 32px; height: 32px; border-radius: 8px; cursor: pointer; font-size: 16px;
}
.btn-icon:hover { background: rgba(255,255,255,0.18); }
.btn-sm { padding: 5px 10px; font-size: 12.5px; border-radius: 6px; }

/* ---------- Cards / Panels ---------- */
.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; margin-bottom: 18px;
}

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 12.5px; text-transform: uppercase; letter-spacing: .03em; }
th.sortable { cursor: pointer; user-select: none; white-space: nowrap; }
th.sortable:hover { color: var(--text); }
th.sortable.sorted { color: var(--accent); }
tr:hover td { background: rgba(255,255,255,0.03); }

/* ---------- Badges ---------- */
.badge {
  display: inline-block; padding: 3px 9px; border-radius: 999px;
  font-size: 12px; font-weight: 600;
}
.badge-area { color: #fff; }
.badge-type { background: var(--panel-2); border: 1px solid var(--border); color: var(--text); }
.dot { display: inline-block; width: 11px; height: 11px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 12.5px; color: var(--muted); }
input, select, textarea {
  background: var(--bg); border: 1px solid var(--border); color: var(--text);
  padding: 9px 11px; border-radius: 8px; font-size: 14px; font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center; z-index: 50;
}
.modal {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  width: 560px; max-width: 94vw; max-height: 90vh; overflow: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 18px; border-bottom: 1px solid var(--border);
}
.modal-header h3 { margin: 0; font-size: 16px; }
#modal-body { padding: 18px; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  padding: 12px 20px; border-radius: 10px; z-index: 100; font-weight: 500;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}
.toast.ok { border-color: var(--ok); }
.toast.err { border-color: var(--danger); }

.hidden { display: none !important; }

/* ---------- Rodapé / Sobre ---------- */
.app-footer {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 18px; margin-top: 10px; border-top: 1px solid var(--border);
  color: var(--muted); font-size: 13px;
}
.footer-logo { width: 18px; height: 18px; opacity: 0.9; }
.footer-sep { opacity: 0.5; }
.about-link {
  background: none; border: none; color: var(--accent); cursor: pointer;
  font-size: 13px; font-weight: 600; padding: 0; text-decoration: underline;
}
.about-link:hover { color: var(--text); }
.about-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.about-logo { width: 34px; height: 34px; }

/* ---------- Login ---------- */
.login-screen {
  position: fixed; inset: 0; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle at 30% 20%, #0c4a6e, #0f172a 70%);
}
.login-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  padding: 30px 28px; width: 360px; max-width: 92vw;
  box-shadow: 0 24px 70px rgba(0,0,0,0.5); display: flex; flex-direction: column; gap: 12px;
}
.login-brand { display: flex; align-items: center; gap: 10px; }
.login-brand h1 { font-size: 18px; margin: 0; }
.login-brand .logo { font-size: 26px; }
.login-error { color: #fff; background: var(--danger); padding: 8px 11px; border-radius: 8px; font-size: 13px; }

/* ---------- Topbar utilizador ---------- */
.topbar-right { display: flex; align-items: center; gap: 18px; }
.user-box { display: flex; align-items: center; gap: 10px; }
.user-box .uname { font-weight: 600; }
.role-badge {
  font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px;
  text-transform: uppercase; letter-spacing: .03em;
}
.role-admin { background: #7c3aed; color: #fff; }
.role-operador { background: #0891b2; color: #fff; }
.role-visualizador { background: #475569; color: #fff; }
.role-colaborador { background: #0d9488; color: #fff; }
.log-detail { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; font-size: 12px; color: var(--muted); word-break: break-word; }

/* ---------- Avatares / Foto ---------- */
.avatar { border-radius: 50%; object-fit: cover; display: inline-block; vertical-align: middle; background: var(--panel-2); border: 1px solid var(--border); }
.avatar-initials { display: inline-flex; align-items: center; justify-content: center; font-weight: 700; color: #fff; background: #475569; }
.tl-label-row { display: flex; align-items: center; gap: 8px; }
.tl-label-row .name { font-weight: 600; }
.photo-edit { display: flex; align-items: center; gap: 16px; }
.photo-box .avatar { box-shadow: 0 2px 8px rgba(0,0,0,0.3); }

/* ---------- Timeline (Gantt) ---------- */
.timeline-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); }
.timeline { min-width: 1100px; }
.tl-row { display: flex; border-bottom: 1px solid var(--border); }
.tl-row:last-child { border-bottom: none; }
.tl-head { background: var(--panel-2); position: sticky; top: 0; z-index: 5; }
.tl-label {
  width: 230px; min-width: 230px; padding: 8px 12px; border-right: 1px solid var(--border);
  display: flex; flex-direction: column; justify-content: center; gap: 2px;
}
.tl-label .name { font-weight: 600; }
.tl-label .sub { font-size: 11.5px; color: var(--muted); }
.tl-track { position: relative; flex: 1; height: 38px; }
.tl-head .tl-track { height: 34px; }
.tl-month {
  position: absolute; top: 0; bottom: 0; border-right: 1px solid var(--border);
  font-size: 11px; color: var(--muted); padding: 9px 0 0 5px; overflow: hidden;
}
.tl-weekend { position: absolute; top: 0; bottom: 0; background: rgba(255,255,255,0.025); }
.tl-holiday { position: absolute; top: 0; bottom: 0; background: rgba(245,158,11,0.16); width: 0; border-left: 1px dashed rgba(245,158,11,0.5); }
.tl-bar {
  position: absolute; top: 7px; height: 24px; border-radius: 6px;
  display: flex; align-items: center; padding: 0 6px; font-size: 11px;
  color: #fff; overflow: hidden; white-space: nowrap; cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.25);
}
.tl-bar:hover { filter: brightness(1.15); z-index: 3; }
.tl-bar.draggable { cursor: grab; touch-action: none; }
.tl-bar.dragging { cursor: grabbing; opacity: 0.92; z-index: 6; box-shadow: 0 4px 14px rgba(0,0,0,0.45), inset 0 0 0 1px rgba(255,255,255,0.5); }
.tl-bar-label { pointer-events: none; }
.tl-handle { position: absolute; top: 0; bottom: 0; width: 9px; cursor: ew-resize; }
.tl-handle-l { left: 0; }
.tl-handle-r { right: 0; }
.tl-bar.draggable:hover .tl-handle { background: rgba(255,255,255,0.35); }
.area-group-label {
  padding: 7px 12px; background: var(--bg); font-weight: 700; font-size: 12.5px;
  border-bottom: 1px solid var(--border); display: flex; align-items: center;
}
.tl-month-sep { position: absolute; top: 0; bottom: 0; border-right: 1px solid rgba(255,255,255,0.06); }

/* legend */
.legend { display: flex; gap: 16px; flex-wrap: wrap; margin: 10px 2px; font-size: 12.5px; color: var(--muted); }
.legend span { display: flex; align-items: center; gap: 6px; }
.legend .swatch { width: 14px; height: 14px; border-radius: 4px; }

/* overlaps */
.overlap-item {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px;
  border-bottom: 1px solid var(--border);
}
.overlap-item:last-child { border-bottom: none; }
.overlap-warn { color: var(--warn); font-size: 18px; }

/* alerta: próximas entradas de férias */
.alert-upcoming {
  background: linear-gradient(90deg, rgba(56,189,248,0.12), rgba(14,165,233,0.06));
  border: 1px solid var(--accent-2); border-left: 4px solid var(--accent);
  border-radius: var(--radius); padding: 14px 16px; margin-bottom: 18px;
}
.alert-upcoming-head { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; font-size: 14.5px; }
.alert-ico { font-size: 18px; }
.upcoming-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 8px; }
.upcoming-item {
  display: flex; align-items: center; gap: 10px; background: rgba(255,255,255,0.03);
  border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px;
}
.upcoming-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.upcoming-when {
  font-size: 12px; font-weight: 700; color: #022; background: var(--accent);
  padding: 3px 9px; border-radius: 999px; white-space: nowrap;
}

/* stat cards */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.stat .v { font-size: 26px; font-weight: 700; }
.stat .l { color: var(--muted); font-size: 12.5px; margin-top: 4px; }

/* report */
.report-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 14px; }
.kv { display: grid; grid-template-columns: 160px 1fr; gap: 6px 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.print-area { background: #fff; color: #111; padding: 26px; border-radius: 8px; }
.print-area table th { color: #555; }
.print-area th, .print-area td { border-bottom: 1px solid #ddd; }
.pos { color: var(--ok); } .neg { color: var(--danger); }

@media print {
  .topbar, .tabs, .section-head .btn, #modal-close { display: none !important; }
  body { background: #fff; }
}