:root {
  --primary: #1B5E20;
  --accent-green: #2ECC71;
  --dark-bg: #10140F;
  --dark-surface: #1B231C;
  --dark-surface-light: #243027;
  --text-primary: #FFFFFF;
  --text-secondary: #9AA79C;
  --accent-pink: #E85D75;
  --accent-orange: #F5A623;
  --accent-blue: #4A90D9;
  --accent-purple: #9B59B6;
  --error: #D32F2F;
}

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

body {
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--dark-bg);
  color: var(--text-primary);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

/* ===== Login ===== */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  background: var(--dark-surface);
  border-radius: 16px;
  padding: 40px 32px;
  width: 100%;
  max-width: 380px;
  text-align: center;
}

.login-card img { width: 72px; height: 72px; margin-bottom: 12px; }
.login-card h1 { font-size: 18px; margin-bottom: 4px; }
.login-card p.subtitle { color: var(--text-secondary); font-size: 13px; margin-bottom: 24px; }

input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--dark-surface-light);
  border: 1px solid #33402f;
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  margin-bottom: 14px;
}
input::placeholder, textarea::placeholder { color: var(--text-secondary); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent-green); }

button, .btn {
  display: inline-block;
  background: var(--accent-green);
  color: #08170c;
  border: none;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
}
button:hover, .btn:hover { opacity: 0.9; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-outline {
  background: transparent;
  border: 1px solid var(--accent-green);
  color: var(--accent-green);
}
.btn-secondary {
  background: var(--dark-surface-light);
  color: var(--text-primary);
}
.btn-danger { background: var(--error); color: white; }
.btn-small { width: auto; padding: 8px 14px; font-size: 12px; }

.error-text { color: var(--error); font-size: 13px; margin-top: 8px; min-height: 18px; }

/* ===== App shell ===== */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  background: var(--dark-surface);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-header { display: flex; align-items: center; gap: 10px; margin-bottom: 28px; padding: 0 8px; }
.sidebar-header img { width: 36px; height: 36px; }
.sidebar-header .title { font-size: 14px; font-weight: bold; }
.sidebar-header .subtitle { font-size: 11px; color: var(--text-secondary); }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 12px;
  border-radius: 8px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 14px;
  margin-bottom: 4px;
}
.nav-item:hover { background: var(--dark-surface-light); }
.nav-item.active { background: var(--accent-green); color: #08170c; font-weight: 600; }

.sidebar-footer { margin-top: auto; padding-top: 16px; border-top: 1px solid #2a352a; }
.sidebar-footer .nama-guru { font-size: 13px; font-weight: 600; }
.sidebar-footer .email-guru { font-size: 11px; color: var(--text-secondary); margin-bottom: 10px; }

.main-content { flex: 1; padding: 28px 32px; overflow-y: auto; }

.page { display: none; }
.page.active { display: block; }

.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.page-header h2 { font-size: 20px; }

/* ===== Cards / Grid ===== */
.card {
  background: var(--dark-surface);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 14px;
}

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 24px; }
.stat-card { background: var(--dark-surface); border-radius: 12px; padding: 18px; }
.stat-card .value { font-size: 28px; font-weight: bold; color: var(--accent-green); }
.stat-card .label { font-size: 12px; color: var(--text-secondary); margin-top: 4px; }

.list-item {
  background: var(--dark-surface);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.list-item .info { flex: 1; min-width: 0; }
.list-item .info .primary-text { font-weight: 600; font-size: 14px; }
.list-item .info .secondary-text { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.list-item .actions { display: flex; gap: 6px; flex-shrink: 0; }

.icon-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  width: auto;
  padding: 6px 8px;
  font-size: 16px;
}
.icon-btn:hover { color: var(--text-primary); }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}
.badge-hadir { background: rgba(46,204,113,0.2); color: var(--accent-green); }
.badge-izin { background: rgba(74,144,217,0.2); color: var(--accent-blue); }
.badge-sakit { background: rgba(245,166,35,0.2); color: var(--accent-orange); }
.badge-alpa { background: rgba(232,93,117,0.2); color: var(--accent-pink); }

/* ===== Modal ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal-overlay.active { display: flex; }
.modal-box {
  background: var(--dark-surface);
  border-radius: 14px;
  padding: 28px;
  width: 100%;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-box h3 { margin-bottom: 16px; font-size: 16px; }
.modal-actions { display: flex; gap: 10px; margin-top: 8px; }

/* ===== Absensi table ===== */
.status-buttons { display: flex; gap: 6px; }
.status-buttons button {
  width: auto;
  padding: 6px 12px;
  font-size: 11px;
  background: transparent;
  border: 1px solid var(--text-secondary);
  color: var(--text-secondary);
}
.status-buttons button.selected-hadir { background: var(--accent-green); color: #08170c; border-color: var(--accent-green); }
.status-buttons button.selected-izin { background: var(--accent-blue); color: white; border-color: var(--accent-blue); }
.status-buttons button.selected-sakit { background: var(--accent-orange); color: #08170c; border-color: var(--accent-orange); }
.status-buttons button.selected-alpa { background: var(--accent-pink); color: white; border-color: var(--accent-pink); }

.toolbar-row { display: flex; gap: 12px; align-items: center; margin-bottom: 18px; flex-wrap: wrap; }

.report-table { width: 100%; border-collapse: collapse; background: var(--dark-surface); border-radius: 12px; overflow: hidden; }
.report-table th, .report-table td { padding: 12px 14px; text-align: left; font-size: 13px; }
.report-table th { background: var(--dark-surface-light); color: var(--text-secondary); font-weight: 600; font-size: 11px; text-transform: uppercase; }
.report-table tr:not(:last-child) td { border-bottom: 1px solid #2a352a; }
.report-table td.center { text-align: center; }
.persen-tinggi { color: var(--accent-green); font-weight: 600; }
.persen-sedang { color: var(--accent-orange); font-weight: 600; }
.persen-rendah { color: var(--accent-pink); font-weight: 600; }

.empty-state { text-align: center; color: var(--text-secondary); padding: 40px 0; font-size: 13px; }

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--dark-surface-light);
  border-left: 4px solid var(--accent-green);
  padding: 14px 20px;
  border-radius: 8px;
  font-size: 13px;
  z-index: 200;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
  display: none;
}
.toast.error { border-left-color: var(--error); }
.toast.show { display: block; }

@media (max-width: 768px) {
  .app-shell { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; align-items: center; padding: 12px 16px; overflow-x: auto; }
  .sidebar-header, .sidebar-footer { display: none; }
  .nav-item { flex-shrink: 0; margin-bottom: 0; margin-right: 4px; white-space: nowrap; }
  .main-content { padding: 16px; }
}