/* ==========================================================================
   1. PEMBOLEHUBAH & TETAPAN ASAS (KEKALKAN WARNA & SISTEM)
   ========================================================================== */
:root {
  /* Warna Utama MARA (Dikekalkan) */
  --mara-red: #A6192E;
  --mara-red-hover: #881223;
  --mara-blue: #0A2540;
  --mara-blue-light: #1E3A8A;
  --mara-gold: #D4AF37;
  --mara-gold-light: #F4E8C1;

  /* Neutral & Latar Belakang */
  --light-bg: #F8FAFC;
  --card-bg: #FFFFFF;
  --text-dark: #0F172A;
  --text-muted: #475569;
  --border-color: #E2E8F0;

  /* Status Colors */
  --status-available: #10B981;
  --status-occupied: #EF4444;

  /* Elevation / Soft Shadows & Smooth Transitions */
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 16px -2px rgba(10, 37, 64, 0.08), 0 2px 4px -2px rgba(10, 37, 64, 0.04);
  --shadow-lg: 0 12px 28px -4px rgba(10, 37, 64, 0.12), 0 4px 8px -2px rgba(10, 37, 64, 0.04);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--light-bg);
  color: var(--text-dark);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: 100%;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ==========================================================================
   2. HEADER & NAVIGATION UTAMA (SUSUNAN DIKEKALKAN)
   ========================================================================== */
header,
.main-header {
  background: linear-gradient(135deg, var(--mara-blue) 0%, #061729 100%);
  color: #FFFFFF;
  border-bottom: 4px solid var(--mara-gold);
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 30px;
  flex-wrap: wrap;
}

/* Brand/Logo Kiri */
.header-right,
.brand-section {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo-button img,
.brand-section img {
  height: 52px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.logo-button:hover img {
  transform: scale(1.03);
}

.brand-title {
  text-align: left;
}

.brand-title h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.2px;
  line-height: 1.2;
}

.brand-title p,
.brand-title h2 {
  font-size: 0.825rem;
  color: var(--mara-gold);
  font-weight: 500;
  margin-top: 2px;
  letter-spacing: 0.2px;
}

/* Navigasi Kanan */
.nav-left ul,
nav {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 8px;
}

.nav-left a.btn,
.nav-left .dropdown-toggle,
nav a.nav-btn {
  background-color: rgba(255, 255, 255, 0.06);
  color: #FFFFFF;
  text-decoration: none;
  padding: 9px 18px;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  border: 1px solid rgba(255, 255, 255, 0.12);
  cursor: pointer;
}

.nav-left a.btn:hover,
.nav-left a.btn.active,
nav a.nav-btn:hover,
nav a.nav-btn.active,
.dropdown:hover > .dropdown-toggle {
  background-color: var(--mara-red);
  color: #FFFFFF;
  border-color: var(--mara-red);
  transform: translateY(-1px);
}

.nav-left a.nav-admin {
  background-color: rgba(212, 175, 55, 0.12);
  border-color: var(--mara-gold);
  color: var(--mara-gold-light);
}

.nav-left a.nav-admin:hover {
  background-color: var(--mara-gold);
  color: var(--mara-blue);
}

/* Dropdown Menu */
.dropdown {
  position: relative;
}

.dropdown-menu,
.dropdown-content {
  display: none !important;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  background-color: var(--card-bg);
  min-width: 210px;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  z-index: 1000;
  list-style: none;
}

.dropdown:hover > .dropdown-menu,
.dropdown:hover > .dropdown-content {
  display: block !important;
  animation: dropdownFade 0.2s ease-out;
}

.dropdown::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 12px;
}

.dropdown-menu a,
.dropdown-content a {
  color: var(--text-dark);
  padding: 11px 18px;
  text-decoration: none;
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition-fast), color var(--transition-fast), padding var(--transition-fast);
}

.dropdown-menu li:last-child a,
.dropdown-content a:last-child {
  border-bottom: none;
}

.dropdown-menu a:hover,
.dropdown-menu a.active,
.dropdown-content a:hover {
  background-color: #F1F5F9;
  color: var(--mara-red);
  padding-left: 22px;
}

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

/* ==========================================================================
   3. HERO & CONTAINER (PROFESSIONAL TOUCH)
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  will-change: opacity, transform;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

main {
  flex: 1;
  width: 100%;
}

.container {
  max-width: 1200px;
  margin: 35px auto;
  padding: 0 24px;
  flex: 1;
  width: 100%;
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 340px;
  background-image: linear-gradient(180deg, rgba(10, 37, 64, 0.7) 0%, rgba(6, 23, 41, 0.85) 100%), url('images/library.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 50px 20px;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.hero-content {
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-content h2 {
  color: #FFFFFF;
  font-size: 2.25rem;
  font-weight: 800;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
  letter-spacing: -0.3px;
  max-width: 820px;
}

.welcome-text {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 10px;
  text-transform: uppercase;
  color: var(--mara-gold);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
}

.japanese-title {
  font-size: 4.5rem;
  margin: 0;
  line-height: 1.1;
  color: #FFFFFF;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
}

/* Section Waktu Perkhidmatan */
.waktu-perkhidmatan {
  max-width: 1200px;
  margin: -40px auto 35px auto;
  position: relative;
  z-index: 10;
  padding: 0 24px;
}

.waktu-perkhidmatan h2 {
  font-size: 1.25rem;
  color: var(--mara-blue);
  margin-bottom: 12px;
  font-weight: 700;
}

.jadual-waktu {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  border-top: 4px solid var(--mara-blue);
}

/* Pautan Pintas (Homepage Cards) */
.pautan-pintas {
  max-width: 1200px;
  margin: 0 auto 40px auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.pautan-pintas .card {
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.pautan-pintas .card p {
  color: var(--text-muted);
  margin-bottom: 22px;
  font-size: 0.925rem;
}

.btn-card {
  display: inline-block;
  background: linear-gradient(135deg, var(--mara-red) 0%, #881223 100%);
  color: #FFFFFF;
  text-decoration: none;
  padding: 11px 22px;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  text-align: center;
  transition: all var(--transition-normal);
  box-shadow: 0 2px 6px rgba(166, 25, 46, 0.2);
}

.btn-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(166, 25, 46, 0.3);
}

/* ==========================================================================
   4. HALAMAN ABOUT.HTML & TIMELINE SELANG-SELI (SLIM & MODERN)
   ========================================================================== */
.page-title {
  max-width: 1200px;
  margin: 30px auto 10px auto;
  padding: 0 24px;
}

.page-title h2 {
  color: var(--mara-blue);
  font-size: 1.8rem;
  border-bottom: 3px solid var(--mara-gold);
  display: inline-block;
  padding-bottom: 6px;
  font-weight: 700;
}

.section-header {
  text-align: center;
  margin-bottom: 30px;
  color: var(--mara-blue);
  font-weight: 700;
}

.section-header-spaced {
  margin-top: 50px;
}

.library-background,
.flowchart-section {
  max-width: 1200px;
  margin: 20px auto;
  padding: 0 24px;
}

.intro-card {
  background: #FFFFFF;
  border-left: 4px solid var(--mara-red);
  padding: 24px;
  border-radius: var(--radius-md);
  margin-bottom: 45px;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-dark);
  box-shadow: var(--shadow-sm);
  border-top: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

/* Timeline Selang-Seli Kemas & Berkembar Line */
.timeline {
  position: relative;
  max-width: 860px;
  margin: 0 auto 50px auto;
  padding: 10px 0;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 3px;
  background-color: var(--border-color);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -1.5px;
}

.timeline-item {
  padding: 12px 35px;
  position: relative;
  background-color: inherit;
  width: 50%;
  box-sizing: border-box;
}

.timeline-item::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  right: -7px;
  background-color: #FFFFFF;
  border: 3px solid var(--mara-red);
  top: 26px;
  border-radius: 50%;
  z-index: 2;
  box-shadow: 0 0 0 4px var(--light-bg);
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.timeline-item:hover::after {
  background-color: var(--mara-red);
  transform: scale(1.2);
}

.left { left: 0; }
.right { left: 50%; }
.right::after { left: -7px; }

.timeline-content {
  padding: 22px 24px;
  background-color: #FFFFFF;
  position: relative;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  border-top: 3px solid var(--mara-red);
  transition: transform var(--transition-fast);
}

.timeline-content:hover {
  transform: translateY(-3px);
}

.timeline-badge {
  display: inline-block;
  background-color: var(--mara-red);
  color: #FFFFFF;
  padding: 3px 12px;
  font-size: 0.775rem;
  font-weight: 700;
  border-radius: 20px;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}

.timeline-content h4 {
  margin: 4px 0 10px 0;
  color: var(--mara-blue);
  font-size: 1.1rem;
  font-weight: 700;
}

.timeline-content p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.925rem;
  line-height: 1.6;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 25px;
}

.feature-box {
  background: #FFFFFF;
  padding: 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature-box:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-box h4 {
  color: var(--mara-red);
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 1.05rem;
  font-weight: 700;
}

.feature-box p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.flowchart-container {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.flowchart-container img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   5. CARDS, FORMS, BADGES & PAGINATION (MODERN REFINEMENT)
   ========================================================================== */
.page-header {
  margin-bottom: 30px;
  border-bottom: 3px solid var(--mara-gold);
  padding-bottom: 10px;
}

.page-header h2 {
  color: var(--mara-blue);
  font-size: 1.8rem;
  font-weight: 700;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 30px;
  margin-bottom: 25px;
  border: 1px solid var(--border-color);
  border-top: 4px solid var(--mara-red);
  width: 100%;
  word-wrap: break-word;
  transition: box-shadow var(--transition-normal);
}

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

.card h3 {
  color: var(--mara-blue);
  margin-bottom: 20px;
  border-bottom: 2px solid var(--light-bg);
  padding-bottom: 12px;
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.info-text {
  background-color: #F0F4F8;
  border-left: 4px solid var(--mara-blue);
  padding: 16px 20px;
  margin-bottom: 24px;
  font-size: 0.9rem;
  color: var(--text-dark);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  line-height: 1.6;
}

/* Filter Bar */
.filter-bar,
.filter-section {
  background: #F1F5F9;
  padding: 18px 22px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  border: 1px solid var(--border-color);
}

.filter-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.filter-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: flex-end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 200px;
}

.filter-bar label,
.filter-group label {
  font-weight: 600;
  color: var(--mara-blue);
  font-size: 0.85rem;
}

.filter-bar input[type="date"],
.filter-bar select,
.form-control {
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  background-color: #FFFFFF;
  color: var(--text-dark);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.filter-bar input[type="date"]:focus,
.filter-bar select:focus,
.form-control:focus {
  border-color: var(--mara-blue);
  box-shadow: 0 0 0 3px rgba(10, 37, 64, 0.12);
}

/* Forms */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--mara-blue);
  font-size: 0.85rem;
}

.form-group input,
.form-group select {
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  width: 100%;
  background-color: #FFFFFF;
  color: var(--text-dark);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--mara-blue);
  box-shadow: 0 0 0 3px rgba(10, 37, 64, 0.12);
}

.btn-submit {
  background: linear-gradient(135deg, var(--mara-red) 0%, #881223 100%);
  color: #FFFFFF;
  border: none;
  padding: 12px 24px;
  font-size: 0.925rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  margin-top: 20px;
  width: 100%;
  transition: all var(--transition-normal);
  box-shadow: 0 2px 6px rgba(166, 25, 46, 0.25);
}

.btn-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(166, 25, 46, 0.35);
}

.login-box {
  max-width: 420px;
  margin: 40px auto;
  width: 100%;
}

.hidden {
  display: none !important;
}

/* Pagination */
.pagination-container,
#pagination-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
  margin-top: 25px;
  padding: 16px 20px;
  background-color: #FFFFFF;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-page,
.pagination-btn {
  background-color: var(--mara-red);
  color: #FFFFFF;
  border: none;
  padding: 9px 18px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-page:hover:not(:disabled),
.pagination-btn:hover:not(:disabled) {
  background-color: var(--mara-red-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(166, 25, 46, 0.25);
}

.btn-page:disabled,
.pagination-btn:disabled {
  background-color: #E2E8F0;
  color: #94A3B8;
  cursor: not-allowed;
  box-shadow: none;
}

.page-info {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--mara-blue);
  background: var(--light-bg);
  padding: 6px 16px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

/* ==========================================================================
   6. JADUAL / TABLES (GAYA DIKEKALKAN SEPENUHNYA)
   ========================================================================== */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: 15px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  box-shadow: var(--shadow-md);
}

table,
.custom-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
  background: #FFFFFF;
  text-align: left;
  font-size: 0.925rem;
}

th, td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.88rem;
}

th,
.custom-table th {
  background-color: var(--mara-blue);
  color: #FFFFFF;
  font-weight: 600;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.custom-table th {
  border-bottom: 3px solid var(--mara-gold);
  padding: 14px 18px;
}

.custom-table td {
  padding: 14px 18px;
  vertical-align: middle;
}

tbody tr:hover,
.custom-table tbody tr:hover {
  background-color: #F8FAFC;
}

.bil-col {
  text-align: center;
  font-weight: 600;
  color: var(--text-muted);
}

.title-col {
  color: var(--mara-blue);
}

/* Badges & Actions dalam Jadual */
.badge {
  padding: 4px 12px;
  border-radius: 12px;
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  display: inline-block;
  white-space: nowrap;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.badge-available { background-color: var(--status-available); }
.badge-occupied { background-color: var(--status-occupied); }

.badge-dept {
  background-color: var(--mara-blue-light);
  color: #FFFFFF;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
}

.btn-action {
  display: inline-block;
  background-color: var(--mara-red);
  color: #FFFFFF;
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 0.825rem;
  font-weight: 600;
  transition: background-color var(--transition-fast);
}

.btn-action:hover {
  background-color: var(--mara-red-hover);
}

/* ==========================================================================
   7. RUANGAN QR CODE (INTERAKTIF & Boleh Ditekan)
   ========================================================================== */
.qr-section {
  display: flex;
  justify-content: center;
  gap: 25px;
  max-width: 1100px;
  margin: 40px auto;
  padding: 0 24px;
}

.qr-card {
  flex: 1;
  background: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.qr-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.qr-card h3 {
  font-size: 1.2rem;
  color: var(--mara-blue);
  margin-bottom: 8px;
  font-weight: 700;
}

.qr-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.5;
}

.qr-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.qr-image a {
  display: inline-block;
  cursor: pointer;
  text-decoration: none;
}

.qr-image img {
  width: 170px;
  height: 170px;
  object-fit: contain;
  background: #FFFFFF;
  border: 2px dashed #CBD5E1;
  border-radius: var(--radius-sm);
  padding: 12px;
  transition: all var(--transition-normal);
}

.qr-image a:hover img {
  border-color: var(--mara-red);
  transform: scale(1.05);
  box-shadow: 0 6px 16px rgba(10, 37, 64, 0.12);
}

/* ==========================================================================
   8. FOOTER (SUSUNAN DIKEKALKAN)
   ========================================================================== */
footer {
  background-color: var(--mara-blue);
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
  padding: 22px 20px;
  margin-top: auto;
  font-size: 0.825rem;
  border-top: 3px solid var(--mara-gold);
  width: 100%;
  letter-spacing: 0.2px;
}

/* ==========================================================================
   9. SKRIN RESPONSIF (MOBILE & TABLET)
   ========================================================================== */
@media (max-width: 850px) {
  header,
  .main-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    gap: 8px;
  }

  .header-right,
  .brand-section {
    gap: 8px;
  }

  .logo-button img,
  .brand-section img {
    height: 34px;
  }

  .brand-title h1 {
    font-size: 0.9rem;
    line-height: 1.1;
  }

  .brand-title p,
  .brand-title h2 {
    font-size: 0.65rem;
  }

  .nav-left ul,
  nav {
    width: auto;
    flex-wrap: nowrap;
    gap: 4px;
  }

  .nav-left li,
  .dropdown {
    width: auto;
  }

  .nav-left a.btn,
  .dropdown-toggle,
  nav a.nav-btn {
    width: auto;
    padding: 6px 10px;
    font-size: 0.75rem;
  }

  .dropdown-menu,
  .dropdown-content {
    position: absolute !important;
    top: calc(100% + 4px);
    right: 0;
    left: auto;
    min-width: 180px;
    background-color: var(--card-bg);
    box-shadow: var(--shadow-lg);
  }

  .dropdown-menu a,
  .dropdown-content a {
    color: var(--text-dark);
    padding: 10px 14px;
  }

  .hero-content h2 {
    font-size: 1.6rem;
  }
}

@media (max-width: 768px) {
  .timeline::after {
    left: 28px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 65px;
    padding-right: 15px;
  }

  .timeline-item::after {
    left: 21px;
  }

  .right {
    left: 0%;
  }

  .right::after {
    left: 21px;
  }

  .hero-section {
    min-height: 260px;
  }

  .welcome-text {
    font-size: 0.95rem;
  }

  .japanese-title {
    font-size: 2.2rem;
  }

  .qr-section {
    flex-direction: column;
    gap: 20px;
  }
}

@media (max-width: 480px) {
  .brand-title h1 {
    font-size: 0.85rem;
  }

  .brand-title p,
  .brand-title h2 {
    font-size: 0.6rem;
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .card {
    padding: 20px;
  }
}

/* Gaya Floating Button Pustakawan */
.floating-contact-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #2c3e50;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    z-index: 9999;
    transition: all 0.3s ease;
    text-decoration: none;
}

.floating-contact-btn:hover {
    background-color: #e74c3c;
    transform: scale(1.1);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.4);
}

.headset-icon {
    width: 32px;
    height: 32px;
}

@media (max-width: 600px) {
    .floating-contact-btn {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }

    .headset-icon {
        width: 26px;
        height: 26px;
    }
}