/* ==========================================================================
   CSS Buku Tamu DPP Pertuni (Navy Blue Theme & Advanced Accessibility)
   ========================================================================== */

/* 1. VARIABEL TEMA & TOKENS DESAIN (Navy Blue Palette) */
:root {
  /* Skema Warna Navy Standar - Estetik & Bersih */
  --bg-primary: #f0f4f8;       /* Biru Slate Terang */
  --bg-secondary: #ffffff;     /* Putih */
  --bg-tertiary: #e2e8f0;      /* Abu-abu Biru */
  
  --text-primary: #0f172a;     /* Slate 900 */
  --text-secondary: #475569;   /* Slate 600 */
  --text-inverse: #ffffff;
  
  /* Elemen Navy Primer & Aksen */
  --primary-color: #1e3a8a;    /* Navy Blue (Blue 900) */
  --primary-hover: #172554;    /* Deep Navy (Blue 950) */
  --accent-color: #0284c7;     /* Sky Blue */
  --danger-color: #b91c1c;     /* Red 700 */
  --success-color: #15803d;    /* Green 700 */
  --warning-color: #d97706;    /* Amber 700 */
  
  --border-color: #cbd5e1;     /* Slate 300 */
  --focus-color: #1e3a8a;      /* Navy Blue */
  
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.05), 0 4px 6px -4px rgba(15, 23, 42, 0.05);
  
  --border-radius-sm: 6px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  
  --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  
  --font-base-size: 100%;
}

/* TEMA KONTRAS TINGGI - GELAP (Navy Dark & Kuning) */
[data-theme="high-contrast-dark"] {
  --bg-primary: #030712;       /* Navy Gelap Pekat */
  --bg-secondary: #090d16;     /* Navy Gelap Sekunder */
  --bg-tertiary: #172554;      /* Navy Biru Tua */
  
  --text-primary: #facc15;     /* Kuning Cerah (Aksesibilitas Tinggi) */
  --text-secondary: #ffffff;   /* Putih */
  --text-inverse: #000000;
  
  --primary-color: #facc15;    /* Kuning */
  --primary-hover: #ffffff;    /* Putih */
  --accent-color: #38bdf8;     /* Sky Terang */
  --danger-color: #ff3333;
  --success-color: #00ff00;
  --warning-color: #facc15;
  
  --border-color: #38bdf8;     /* Sky Terang */
  --focus-color: #ffffff;
  
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;
  
  --border-radius-sm: 0px;
  --border-radius-md: 0px;
  --border-radius-lg: 0px;
}

/* TEMA KONTRAS TINGGI - TERANG (Navy-Putih) */
[data-theme="high-contrast-light"] {
  --bg-primary: #f1f5f9;       /* Biru-Abu Sangat Terang */
  --bg-secondary: #ffffff;
  --bg-tertiary: #cbd5e1;
  
  --text-primary: #0f172a;     /* Deep Navy */
  --text-secondary: #1e293b;
  --text-inverse: #ffffff;
  
  --primary-color: #0f172a;    /* Deep Navy */
  --primary-hover: #1e3a8a;    /* Navy Blue */
  --accent-color: #1d4ed8;     /* Biru Pekat */
  --danger-color: #990000;
  --success-color: #006600;
  --warning-color: #886600;
  
  --border-color: #0f172a;     /* Border Deep Navy Tebal */
  --focus-color: #1d4ed8;
  
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;
  
  --border-radius-sm: 0px;
  --border-radius-md: 0px;
  --border-radius-lg: 0px;
}

/* KONTROL UKURAN TEKS */
body.text-large {
  --font-base-size: 115%;
}
body.text-xlarge {
  --font-base-size: 130%;
}

/* KONTROL SPASI TEKS LONGGAR (Dyslexic & Low Vision Friendly) */
body.text-wide {
  letter-spacing: 0.06em !important;
  word-spacing: 0.12em !important;
}
body.text-wide p, 
body.text-wide span, 
body.text-wide label, 
body.text-wide input, 
body.text-wide select, 
body.text-wide textarea, 
body.text-wide td, 
body.text-wide th, 
body.text-wide button, 
body.text-wide a {
  line-height: 1.85 !important;
}

/* KONTROL JENIS HURUF LEGIBILITAS TINGGI (High Legibility Monospace) */
body.font-legible {
  font-family: 'Courier New', Courier, monospace, sans-serif !important;
  font-weight: 600 !important;
}

/* 2. BASE STYLES */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: var(--font-base-size);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* 3. LOMPAT KONTEN & PENGUMUMAN AKSESIBILITAS */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

*:focus {
  outline: none;
}

*:focus-visible {
  outline: 2px solid var(--focus-color) !important;
  outline-offset: 2px !important;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background-color: var(--primary-color);
  color: var(--text-inverse);
  padding: 10px 20px;
  z-index: 9999;
  font-weight: bold;
  text-decoration: none;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
  transition: top var(--transition-fast);
}

.skip-link:focus-visible {
  top: 20px;
}

[data-theme="high-contrast-dark"] .skip-link {
  color: #000000;
}

/* 4. HEADER UTAMA */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.app-header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  height: 64px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-badge {
  background-color: var(--primary-color);
  color: var(--text-inverse);
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  border: 1px solid var(--border-color);
}

[data-theme="high-contrast-dark"] .logo-badge {
  color: #000000;
}

.logo-title h1 {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.1;
}

.logo-title p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* NAVIGASI UTAMA DESKTOP */
.app-nav {
  display: flex;
  list-style: none;
  gap: 6px;
}

.nav-item a {
  display: block;
  padding: 8px 14px;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.925rem;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.nav-item a:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.nav-item a.active {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  font-weight: 600;
}

/* 5. POPOVER AKSESIBILITAS TINGKAT LANJUT (A11Y PANEL v2) */
.a11y-wrapper {
  position: relative;
}

.a11y-trigger-btn {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  width: 38px;
  height: 38px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: background-color var(--transition-fast);
}

.a11y-trigger-btn:hover {
  background-color: var(--bg-tertiary);
}

.a11y-popover {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  padding: 18px;
  width: 320px;
  display: none;
  flex-direction: column;
  gap: 16px;
  z-index: 500;
  animation: popoverFadeIn var(--transition-fast);
}

@keyframes popoverFadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.a11y-popover-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 6px;
}

.popover-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.popover-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.popover-grid-2cols {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}

.popover-btn {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 6px 4px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.popover-btn:hover {
  background-color: var(--bg-tertiary);
}

.popover-btn.active {
  background-color: var(--primary-color);
  color: var(--text-inverse);
  border-color: var(--primary-color);
}

[data-theme="high-contrast-dark"] .popover-btn.active {
  background-color: #facc15;
  color: #000000;
  border-color: #facc15;
}

/* 6. HAMBURGER BUTTON & DRAWER NAVIGATION (MOBILE) */
.hamburger-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-primary);
  font-size: 1.5rem;
  line-height: 1;
}

.drawer-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.4);
  z-index: 900;
  backdrop-filter: blur(2px);
}

[data-theme="high-contrast-dark"] .drawer-overlay {
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: none;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  left: -280px;
  width: 280px;
  height: 100vh;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  z-index: 1000;
  transition: left var(--transition-normal);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 30px;
  outline: none;
}

.mobile-drawer.open {
  left: 0;
  box-shadow: var(--shadow-lg);
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.drawer-close-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--text-primary);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-sm);
  border: 1px solid transparent;
}

.drawer-close-btn:hover {
  background-color: var(--bg-tertiary);
}

.drawer-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.drawer-nav a {
  display: block;
  padding: 12px 16px;
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.drawer-nav a:hover,
.drawer-nav a.active {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

/* 7. WADAH CARDS & PANEL */
.main-content {
  flex: 1;
  padding: 30px 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  transition: box-shadow var(--transition-fast);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

[data-theme="high-contrast-dark"] .card:hover,
[data-theme="high-contrast-light"] .card:hover {
  box-shadow: none;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 10px;
}

/* 8. GRID STATISTIK & PANDUAN KEYBOARD */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 10px;
}

.stat-box {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: var(--shadow-sm);
}

.stat-box .number {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  letter-spacing: -0.04em;
}

.stat-box .label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.guide-box {
  background-color: var(--bg-tertiary);
  border-radius: var(--border-radius-sm);
  padding: 16px;
  margin-bottom: 16px;
  border-left: 4px solid var(--primary-color);
}

[data-theme="high-contrast-dark"] .guide-box {
  border-left-color: #facc15;
}

.guide-box h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.guide-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 8px;
}

.guide-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.kbd-badge {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 1px 5px;
  font-family: monospace;
  font-weight: bold;
  font-size: 0.8rem;
  color: var(--text-primary);
}

/* 9. FORMULIR SEMANTIK AKSESIBEL & FORM GRID */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.925rem;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.form-helper {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  display: block;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--focus-color);
  box-shadow: 0 0 0 1px var(--focus-color);
}

.form-group.invalid .form-control {
  border-color: var(--danger-color);
  background-color: rgba(185, 28, 28, 0.02);
}

.form-error {
  display: none;
  color: var(--danger-color);
  font-weight: 600;
  font-size: 0.8rem;
  margin-top: 6px;
}

.form-group.invalid .form-error {
  display: block;
}

[data-theme="high-contrast-dark"] .form-group.invalid .form-control {
  border-color: #ff3333;
}
[data-theme="high-contrast-dark"] .form-error {
  color: #000000;
  background-color: #ff3333;
  display: inline-block;
  padding: 1px 6px;
  font-weight: bold;
}

.form-grid-2cols {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

/* Tombol (Buttons) */
.btn-container {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 0.925rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--border-radius-sm);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--text-inverse);
  border-color: var(--primary-color);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
}

.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-tertiary);
}

[data-theme="high-contrast-dark"] .btn-primary {
  background-color: #facc15;
  color: #000000;
  border-color: #facc15;
}
[data-theme="high-contrast-dark"] .btn-primary:hover {
  background-color: #ffffff;
}
[data-theme="high-contrast-dark"] .btn-secondary {
  background-color: #000000;
  color: #ffffff;
  border-color: #ffffff;
}
[data-theme="high-contrast-dark"] .btn-secondary:hover {
  background-color: #ffffff;
  color: #000000;
}

/* 10. TABEL RIWAYAT AKSESIBEL (ADMIN ONLY) */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin-top: 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
}

.app-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  background-color: var(--bg-secondary);
}

.app-table caption {
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px;
  background-color: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

.app-table th {
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.app-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.9rem;
}

.app-table tbody tr:hover {
  background-color: var(--bg-primary);
}

.status-badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 4px;
}

.status-badge.aktif {
  background-color: #e0f2fe;
  color: #0369a1;
  border: 1px solid #bae6fd;
}

.status-badge.selesai {
  background-color: #dcfce7;
  color: #15803d;
  border: 1px solid #bbf7d0;
}

[data-theme="high-contrast-dark"] .status-badge {
  background-color: #000000 !important;
  border: 1px solid #ffffff !important;
  color: #ffffff !important;
}
[data-theme="high-contrast-dark"] .status-badge.aktif {
  border-color: #facc15 !important;
  color: #facc15 !important;
}

.search-filter-box {
  background-color: var(--bg-tertiary);
  padding: 16px;
  border-radius: var(--border-radius-sm);
  margin-bottom: 20px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.filter-group {
  flex: 1;
  min-width: 180px;
}

/* 11. BANNER NOTIFIKASI */
.alert-banner {
  padding: 12px 16px;
  border-radius: var(--border-radius-sm);
  margin-bottom: 20px;
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid transparent;
}

.alert-success {
  background-color: #f0fdf4;
  color: #166534;
  border-color: #bbf7d0;
}

.alert-error {
  background-color: #fef2f2;
  color: #991b1b;
  border-color: #fecaca;
}

[data-theme="high-contrast-dark"] .alert-success {
  background-color: #000000;
  color: #00ff00;
  border-color: #00ff00;
}
[data-theme="high-contrast-dark"] .alert-error {
  background-color: #000000;
  color: #ff3333;
  border-color: #ff3333;
}

/* 12. GAYA MODAL EDIT ADMIN */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(2px);
}

[data-theme="high-contrast-dark"] .modal-overlay {
  background-color: rgba(0, 0, 0, 0.9) !important;
  backdrop-filter: none;
}

[data-theme="high-contrast-light"] .modal-overlay {
  background-color: rgba(255, 255, 255, 0.8) !important;
  backdrop-filter: none;
}

.modal-container {
  background-color: var(--bg-secondary) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg) !important;
  animation: modalFadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  outline: none;
}

[data-theme="high-contrast-dark"] .modal-container {
  border: 2px solid #facc15 !important;
}

[data-theme="high-contrast-light"] .modal-container {
  border: 2px solid #0f172a !important;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: scale(0.97) translateY(-8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* 13. PANEL CHECK-OUT TERISOLASI BERSIH (COOKIE VIEW) */
.session-card {
  background-color: rgba(30, 58, 138, 0.04);
  border: 1.5px solid var(--primary-color);
  border-radius: var(--border-radius-sm);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

[data-theme="high-contrast-dark"] .session-card {
  background-color: #000000;
  border: 2px solid #facc15;
}

.session-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary-color);
}

[data-theme="high-contrast-dark"] .session-name {
  color: #facc15;
}

.session-warning {
  border: 1.5px dashed var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 20px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* 14. FOOTER */
.app-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 16px 0;
  margin-top: auto;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   15. MEDIA QUERIES (RESPONSIVITAS)
   ========================================================================== */

@media (max-width: 768px) {
  .app-nav {
    display: none;
  }
  
  .hamburger-btn {
    display: block;
  }
  
  .form-grid-2cols {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .search-filter-box {
    flex-direction: column;
    align-items: stretch;
  }
  
  .filter-group {
    width: 100%;
  }
  
  .search-filter-box .btn-container {
    width: 100%;
    margin-top: 8px;
  }
  
  .search-filter-box .btn {
    flex: 1;
  }
  
  .main-content {
    padding: 20px 0;
  }
  
  .card {
    padding: 16px;
  }
}

@media (max-width: 480px) {
  .header-container {
    height: 56px;
    padding: 0 12px;
  }
  
  .logo-section {
    gap: 8px;
  }
  
  .logo-title h1 {
    font-size: 1rem;
    white-space: nowrap;
  }
  
  .logo-title p {
    display: none; /* Sembunyikan sub-judul panjang agar tidak memotong teks di layar kecil seluler */
  }
  
  .logo-badge {
    width: 30px;
    height: 30px;
    font-size: 0.95rem;
  }
  
  .header-right {
    gap: 8px; /* Rapatkan tombol-tombol agar hemat ruang horizontal */
  }
  
  .stat-box .number {
    font-size: 1.75rem;
  }
  
  .stat-box .label {
    font-size: 0.75rem;
  }
  
  .btn {
    width: 100%;
    padding: 12px;
  }
  
  .btn-container {
    flex-direction: column;
    width: 100%;
    gap: 8px;
  }
}