/* ════════════════════════════════════════════════════════
   SIM TU — DESIGN TOKENS (diadaptasi dari DESIGN.md)
   ════════════════════════════════════════════════════════ */
:root, [data-theme="light"] {
  --bg-primary: #F8FAFC;
  --bg-secondary: #ffffff;
  --bg-card: #FFFFFF;
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --border-color: #E2E8F0;
  --accent: #1E40AF;
  --accent-hover: #1E3A8A;
  --accent-light: rgba(30, 64, 175, 0.1);
  --secondary-accent: #2563EB;
  --sidebar-bg: #0F172A;
  --sidebar-text: #94A3B8;
  --sidebar-active: #ffffff;
  --shadow: 0 1px 3px 0 rgba(15,23,42,0.07), 0 1px 2px -1px rgba(15,23,42,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15,23,42,0.08), 0 4px 6px -4px rgba(15,23,42,0.04);
  --card-radius: 1rem;

  --success-bg: #DCFCE7; --success-text: #15803D; --success-solid: #16A34A;
  --warning-bg: #FEF3C7; --warning-text: #B45309; --warning-solid: #D97706;
  --danger-bg: #FEE2E2;  --danger-text: #B91C1C;  --danger-solid: #DC2626;
}

[data-theme="dark"] {
  --bg-primary: #0b1120;
  --bg-secondary: #131b2e;
  --bg-card: #16213e;
  --text-primary: #eef0ff;
  --text-secondary: #9ca3af;
  --border-color: #2d2d44;
  --accent: #5a7cf0;
  --accent-hover: #7b98f5;
  --accent-light: rgba(90,124,240,0.15);
  --secondary-accent: #60a5fa;
  --sidebar-bg: #060a14;
  --sidebar-text: #6b7280;
  --sidebar-active: #eef0ff;
  --shadow: 0 2px 8px rgba(0,0,0,0.3);
}

* { box-sizing: border-box; }
*, *::before, *::after { transition: background-color .2s ease, color .2s ease, border-color .2s ease; }

html, body {
  height: 100%;
  margin: 0;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
}

/* ── Loading Overlay ── */
.loading-overlay {
  position: fixed; inset: 0; background: var(--bg-primary);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  z-index: 3000;
}

/* ── Auth Screen ── */
.auth-screen {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, var(--accent) 0%, #0b1a4d 100%);
  padding: 1rem;
}
.auth-card {
  background: var(--bg-card); border-radius: 1.25rem; padding: 2.25rem 1.75rem;
  width: 100%; max-width: 400px; text-align: center; box-shadow: var(--shadow-lg);
}
.auth-logo {
  width: 64px; height: 64px; border-radius: 16px; background: var(--accent-light);
  color: var(--accent); display: flex; align-items: center; justify-content: center;
  font-size: 1.75rem; margin: 0 auto 1rem;
}
.auth-tabs .nav-link { color: var(--text-secondary); font-weight: 600; border-radius: 0.6rem; }
.auth-tabs .nav-link.active { background: var(--accent); color: #fff; }
.btn-auth { min-height: 48px; border-radius: 0.75rem; background: var(--accent); border: none; font-weight: 600; }
.btn-auth:hover { background: var(--accent-hover); }

/* ════════════════════════════════════════════════════════
   STAF SHELL (Mobile-first)
   ════════════════════════════════════════════════════════ */
.staf-shell { min-height: 100vh; display: flex; flex-direction: column; max-width: 480px; margin: 0 auto; background: var(--bg-primary); }
.staf-topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem; background: var(--bg-card); border-bottom: 1px solid var(--border-color);
  position: sticky; top: 0; z-index: 100;
}
.icon-btn { border: none; background: transparent; color: var(--text-primary); font-size: 1.25rem; }
.staf-main { flex: 1; padding: 1rem; padding-bottom: 5.5rem; }
.staf-section { display: none; }
.staf-section.active { display: block; }
.staf-bottomnav {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 480px; display: flex; background: var(--bg-card);
  border-top: 1px solid var(--border-color); z-index: 200;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
.bn-item {
  flex: 1; border: none; background: transparent; color: var(--text-secondary);
  padding: 0.6rem 0; display: flex; flex-direction: column; align-items: center; gap: 2px;
  font-size: 0.7rem; min-height: 48px;
}
.bn-item i { font-size: 1.2rem; }
.bn-item.active { color: var(--accent); font-weight: 600; }

/* ── Cards ── */
.card-simtu {
  background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--card-radius);
  box-shadow: var(--shadow); padding: 1rem; margin-bottom: 1rem;
}
.session-card { border-left: 4px solid var(--border-color); }
.session-card.active-session { border-left-color: var(--warning-solid); }
.session-card.done-session { border-left-color: var(--success-solid); }
.session-card.locked-session { opacity: 0.6; }

.status-pill {
  display: inline-flex; align-items: center; gap: 4px; padding: 0.25rem 0.75rem;
  border-radius: 9999px; font-size: 0.72rem; font-weight: 700; text-transform: capitalize;
}
.status-success { background: var(--success-bg); color: var(--success-text); }
.status-warning { background: var(--warning-bg); color: var(--warning-text); }
.status-danger  { background: var(--danger-bg); color: var(--danger-text); }

.gps-banner {
  display: flex; align-items: center; gap: 0.5rem; padding: 0.75rem 1rem;
  border-radius: 0.75rem; font-size: 0.85rem; font-weight: 600; margin-bottom: 1rem;
}
.gps-ok { background: var(--success-bg); color: var(--success-text); }
.gps-fail { background: var(--danger-bg); color: var(--danger-text); }

/* ── Camera capture ── */
.camera-box {
  border: 2px dashed var(--border-color); border-radius: 0.75rem; background: #0f172a;
  min-height: 220px; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden; margin-bottom: 0.75rem;
}
.camera-box video, .camera-box img { width: 100%; height: 100%; object-fit: cover; }
.camera-placeholder { color: #94a3b8; text-align: center; font-size: 0.85rem; padding: 1rem; }
.btn-camera {
  min-height: 52px; border-radius: 0.75rem; background: var(--secondary-accent); color: #fff;
  border: none; font-weight: 700; width: 100%; display: flex; align-items: center;
  justify-content: center; gap: 0.5rem;
}
.no-gallery-note { font-size: 0.72rem; color: var(--text-secondary); text-align: center; margin-top: 0.4rem; }

.btn-submit-laporan {
  min-height: 48px; border-radius: 0.75rem; background: var(--accent); color: #fff; border: none;
  font-weight: 700; width: 100%;
}
.btn-submit-laporan:disabled { background: var(--border-color); color: #94a3b8; }

/* ════════════════════════════════════════════════════════
   ADMIN SHELL (Desktop)
   ════════════════════════════════════════════════════════ */
.admin-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 260px; background: var(--sidebar-bg); color: var(--sidebar-text); flex-shrink: 0;
  display: flex; flex-direction: column; position: fixed; top: 0; bottom: 0; left: 0; z-index: 500;
  transition: transform .25s ease;
}
.sidebar-header { display: flex; align-items: center; gap: 0.6rem; padding: 1.25rem 1rem; color: #fff; border-bottom: 1px solid rgba(255,255,255,0.08); }
.sidebar-nav { list-style: none; margin: 0; padding: 0.75rem 0.6rem; flex: 1; overflow-y: auto; }
.sidebar-nav .nav-link {
  display: flex; align-items: center; gap: 0.7rem; padding: 0.7rem 0.8rem; border-radius: 0.6rem;
  color: var(--sidebar-text); text-decoration: none; font-size: 0.9rem; margin-bottom: 2px;
}
.sidebar-nav .nav-link.active, .sidebar-nav .nav-link:hover { background: rgba(255,255,255,0.08); color: #fff; }
.badge-count { background: var(--danger-solid); color: #fff; font-size: 0.65rem; padding: 1px 6px; border-radius: 9999px; margin-left: auto; }
.sidebar-footer { padding: 0.9rem; border-top: 1px solid rgba(255,255,255,0.08); color: var(--sidebar-text); }
.sidebar-footer .form-check-label { font-size: 0.85rem; }

.admin-main { margin-left: 260px; flex: 1; padding: 1.5rem 2rem; min-width: 0; }
.admin-topbar { align-items: center; gap: 0.75rem; padding: 0.75rem 0; margin-bottom: 0.5rem; }
.admin-section { display: none; }
.admin-section.active { display: block; }

.kpi-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--card-radius); padding: 1.1rem; box-shadow: var(--shadow); }
.kpi-value { font-size: 1.9rem; font-weight: 700; }
.kpi-label { color: var(--text-secondary); font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; }

.table-simtu { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.table-simtu th { background: var(--bg-primary); color: var(--text-secondary); text-align: left; padding: 0.7rem; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.03em; position: sticky; top: 0; }
.table-simtu td { padding: 0.7rem; border-top: 1px solid var(--border-color); vertical-align: middle; }
.table-simtu tr:hover td { background: var(--accent-light); }
.thumb-foto { width: 40px; height: 40px; border-radius: 8px; object-fit: cover; cursor: pointer; border: 1px solid var(--border-color); }

@media (max-width: 991px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.show { transform: translateX(0); }
  .admin-main { margin-left: 0; padding: 1rem; }
}

/* Generic */
.text-muted-simtu { color: var(--text-secondary); }
.form-control, .form-select { min-height: 44px; border-radius: 0.5rem; }
.btn { border-radius: 0.6rem; }
.spinner-inline { display:inline-block; width:14px; height:14px; border:2px solid rgba(255,255,255,0.4); border-top-color:#fff; border-radius:50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }