/* ==========================================================================
   CSS Custom Properties & Design System
   ========================================================================== */

:root {
  /* Color Palette - Dark Theme (Default) */
  --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
  --card-bg: rgba(30, 41, 59, 0.45);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --input-bg: rgba(15, 23, 42, 0.6);
  --input-border: rgba(255, 255, 255, 0.1);
  --input-focus: #818cf8;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --primary-color: #6366f1;
  --primary-gradient: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  --secondary-color: #475569;
  --accent-color: #10b981;
  --accent-gradient: linear-gradient(135deg, #34d399 0%, #059669 100%);
  --danger-color: #ef4444;
  --danger-gradient: linear-gradient(135deg, #f87171 0%, #dc2626 100%);
  --info-color: #06b6d4;
  
  --backdrop-blur: blur(12px);
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables */
body.light-theme {
  --bg-gradient: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 50%, #cbd5e1 100%);
  --card-bg: rgba(255, 255, 255, 0.65);
  --card-border: rgba(255, 255, 255, 0.6);
  --card-shadow: 0 8px 32px 0 rgba(148, 163, 184, 0.15);
  --input-bg: rgba(255, 255, 255, 0.85);
  --input-border: rgba(203, 213, 225, 0.8);
  --input-focus: #4f46e5;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --primary-color: #4f46e5;
  --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #3730a3 100%);
  --secondary-color: #cbd5e1;
  --accent-color: #059669;
  --accent-gradient: linear-gradient(135deg, #059669 0%, #047857 100%);
  --danger-color: #dc2626;
  --danger-gradient: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
  --info-color: #0891b2;
  
  --backdrop-blur: blur(16px);
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'Outfit', 'Noto Sans TC', sans-serif;
  background: var(--bg-gradient);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  overflow-x: hidden;
  transition: background var(--transition-normal);
}

.app-container {
  width: 100%;
  max-width: 1280px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Scrollbar customization */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* ==========================================================================
   Typography & Typography Utilities
   ========================================================================== */

h1 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(90deg, #6366f1, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

body.light-theme h1 {
  background: linear-gradient(90deg, #4f46e5, #0ea5e9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.text-right { text-align: right; }
.text-center { text-align: center; }
.p-0 { padding: 0 !important; }

/* ==========================================================================
   Header Component
   ========================================================================== */

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  background: var(--primary-gradient);
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 10px 18px;
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--secondary-color);
  color: var(--text-primary);
  border: 1px solid var(--input-border);
}
.btn-secondary:hover {
  background: var(--input-border);
}

.btn-danger {
  background: var(--danger-gradient);
  color: white;
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.2);
}
.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.3);
}

.btn-icon-only {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: var(--border-radius-sm);
}

.btn-icon {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  width: 42px;
  height: 42px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.btn-icon:hover {
  background: var(--input-border);
  transform: scale(1.05);
}

.btn-link {
  background: none;
  border: none;
  color: var(--primary-color);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
}
.btn-link:hover {
  text-decoration: underline;
  background: rgba(99, 102, 241, 0.08);
}

.btn-full {
  width: 100%;
}

/* Theme Toggle Button Logic */
#theme-toggle .sun-icon { display: none; }
#theme-toggle .moon-icon { display: block; }
body.light-theme #theme-toggle .sun-icon { display: block; }
body.light-theme #theme-toggle .moon-icon { display: none; }

/* ==========================================================================
   Cards (Glassmorphism design)
   ========================================================================== */

.card {
  border-radius: var(--border-radius-md);
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.glass-card {
  background: var(--card-bg);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--card-border);
}

.highlight-card {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(30, 41, 59, 0.45) 100%);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid rgba(99, 102, 241, 0.25);
}

.card-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--card-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-title i {
  color: var(--primary-color);
  width: 20px;
  height: 20px;
}

.card-body {
  padding: 24px;
}

/* Badge count */
.badge {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 12px;
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
}

.badge-info {
  background: rgba(6, 182, 212, 0.15);
  color: var(--info-color);
  border-color: rgba(6, 182, 212, 0.3);
}

/* ==========================================================================
   Layout grid
   ========================================================================== */

.app-main {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 24px;
  align-items: start;
}

.input-column,
.output-column {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ==========================================================================
   Form Controls
   ========================================================================== */

.form-row {
  display: grid;
  gap: 16px;
  margin-bottom: 16px;
}

.two-cols {
  grid-template-columns: 1fr 1fr;
}

.form-control {
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-control label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 14px;
  color: var(--text-muted);
  width: 18px;
  height: 18px;
  pointer-events: none;
}

input[type="text"],
input[type="number"],
input[type="date"],
select {
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--border-radius-sm);
  padding: 11px 14px 11px 40px;
  width: 100%;
  transition: all var(--transition-fast);
  outline: none;
}

/* Adjust select padding so it displays properly */
select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19.5 8.25l-7.5 7.5-7.5-7.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  padding-right: 40px;
}

body.light-theme select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23475569' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19.5 8.25l-7.5 7.5-7.5-7.5'/%3E%3C/svg%3E");
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
select:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.input-group {
  display: flex;
  gap: 8px;
}

.input-group input[type="text"] {
  padding-left: 14px;
}

.label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ==========================================================================
   Participants Chips
   ========================================================================== */

.chips-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 48px;
  padding: 10px;
  border-radius: var(--border-radius-sm);
  background: rgba(15, 23, 42, 0.25);
  border: 1px dashed var(--input-border);
  align-items: center;
}

.chip {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-primary);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  animation: scaleUp var(--transition-fast) ease-out;
  transition: all var(--transition-fast);
}

.chip:hover {
  border-color: var(--danger-color);
  background: rgba(239, 68, 68, 0.1);
}

.chip-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

.chip-remove:hover {
  color: var(--danger-color);
}

.chip-remove i {
  width: 14px;
  height: 14px;
}

@keyframes scaleUp {
  from { transform: scale(0.85); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.empty-state-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  width: 100%;
  text-align: center;
}

.empty-state-text.small {
  font-size: 0.8rem;
  padding: 10px 0;
}

/* ==========================================================================
   Checkbox Grid Button Selectors
   ========================================================================== */

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 8px;
  max-height: 180px;
  overflow-y: auto;
  padding: 4px;
}

.checkbox-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
}

.checkbox-btn input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 10px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-secondary);
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  text-align: center;
  transition: all var(--transition-fast);
  user-select: none;
}

.checkbox-btn input[type="checkbox"]:checked + .checkbox-label {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--primary-color);
  color: var(--text-primary);
}

.checkbox-btn input[type="checkbox"]:focus-visible + .checkbox-label {
  border-color: var(--input-focus);
}

/* ==========================================================================
   Category Tags (Multi-select)
   ========================================================================== */

.tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-btn {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.tag-btn:hover {
  border-color: var(--text-secondary);
}

.tag-btn.active {
  background: var(--primary-gradient);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 10px rgba(99, 102, 241, 0.2);
}

/* ==========================================================================
   Expense History Section
   ========================================================================== */

.scrollable-card {
  max-height: 480px;
}

.table-responsive {
  overflow-x: auto;
  max-height: 380px;
  overflow-y: auto;
}

.expense-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.expense-table th,
.expense-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--card-border);
}

.expense-table th {
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(15, 23, 42, 0.3);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: var(--backdrop-blur);
}

.expense-table tbody tr {
  transition: background var(--transition-fast);
}

.expense-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

body.light-theme .expense-table tbody tr:hover {
  background: rgba(0, 0, 0, 0.01);
}

/* Sub-info inside cell */
.cell-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
}

.cell-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}

.mini-tag {
  font-size: 0.65rem;
  padding: 1px 5px;
  background: rgba(99, 102, 241, 0.12);
  color: var(--primary-color);
  border-radius: 4px;
  font-weight: 500;
}

body.light-theme .mini-tag {
  background: rgba(99, 102, 241, 0.08);
}

.cell-sharers {
  font-size: 0.8rem;
  color: var(--text-secondary);
  max-width: 150px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.table-empty-state {
  text-align: center;
  padding: 48px 0 !important;
  color: var(--text-muted);
}

.empty-illustration {
  margin-bottom: 12px;
}

.empty-illustration i {
  width: 48px;
  height: 48px;
  color: var(--text-muted);
  stroke-width: 1;
}

/* Mobile cards list layout (hidden by default on desktop) */
.mobile-cards-list {
  display: none;
}

/* Delete button */
.btn-delete {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.btn-delete:hover {
  color: var(--danger-color);
  background: rgba(239, 68, 68, 0.1);
}

.btn-delete i {
  width: 16px;
  height: 16px;
}

/* ==========================================================================
   Settlement Section (Totals, Balances, Debt Flow)
   ========================================================================== */

.totals-overview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.total-box {
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  padding: 16px;
  border-radius: var(--border-radius-md);
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: center;
}

.total-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.total-amount {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: 'Outfit', sans-serif;
}

#settlement-card .total-box:first-child {
  border-color: rgba(99, 102, 241, 0.3);
}

.section-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 20px 0 12px 0;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.section-divider::before,
.section-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--card-border);
}

.section-divider:not(:empty)::before {
  margin-right: 12px;
}

.section-divider:not(:empty)::after {
  margin-left: 12px;
}

/* Personal balances list */
.balances-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.category-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 16px;
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-sm);
  transition: transform var(--transition-fast);
}

.category-item:hover {
  transform: translateX(4px);
}

.category-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.category-name-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.category-title-text {
  font-weight: 600;
  font-size: 0.95rem;
}

.category-percentage {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-left: 4px;
}

.category-amount-val {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
}

.progress-bar-container {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

body.light-theme .progress-bar-container {
  background: rgba(0, 0, 0, 0.05);
}

.progress-bar-fill {
  height: 100%;
  background: var(--primary-gradient);
  border-radius: 3px;
  width: 0%;
  transition: width 0.4s ease-out;
}

/* ==========================================================================
   Toast Notification & Footer
   ========================================================================== */

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translate(-50%, 50px);
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--primary-color);
  color: var(--text-primary);
  padding: 12px 24px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-normal);
  z-index: 100;
}

.toast.show {
  transform: translate(-50%, 0);
  opacity: 1;
}

.app-footer {
  text-align: center;
  padding: 16px 0;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--card-border);
  margin-top: 24px;
}

/* ==========================================================================
   Responsive Styles (Mobile & Tablet)
   ========================================================================== */

@media (max-width: 992px) {
  .app-main {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .app-container {
    padding: 12px;
    gap: 16px;
  }
  
  .card-header {
    padding: 16px;
  }
  
  .card-body {
    padding: 16px;
  }
  
  .two-cols {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    margin-bottom: 0;
  }
  
  /* Hide standard table on mobile */
  .table-responsive {
    display: none;
  }
  
  /* Show responsive cards list instead */
  .mobile-cards-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 16px;
  }
  
  .mobile-expense-card {
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-sm);
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
  }
  
  .mobile-card-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
  }
  
  .mobile-card-title-sec {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }
  
  .mobile-card-name {
    font-weight: 600;
    font-size: 0.95rem;
  }
  
  .mobile-card-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
  }
  
  .mobile-card-amount {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
  }
  
  .mobile-card-details {
    font-size: 0.8rem;
    color: var(--text-secondary);
    background: rgba(15, 23, 42, 0.2);
    padding: 6px 10px;
    border-radius: 6px;
  }
  
  .mobile-card-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 4px;
  }
  
  .totals-overview {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* ==========================================================================
   Cover Banner Styles
   ========================================================================== */

.cover-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px;
  border-radius: var(--border-radius-md);
  margin-bottom: 8px;
  gap: 32px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12) 0%, var(--card-bg) 100%);
}

.banner-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.banner-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  background: linear-gradient(90deg, var(--text-primary) 0%, var(--primary-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.banner-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.banner-image {
  width: 140px;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cover-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--border-radius-sm);
  filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.25));
  transition: transform var(--transition-normal);
  animation: float-slow 6s ease-in-out infinite;
}

.cover-img:hover {
  transform: scale(1.08) rotate(2deg);
}

@keyframes float-slow {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-6px) rotate(-2deg); }
}

/* Responsive adjustment for Cover Banner */
@media (max-width: 768px) {
  .cover-banner {
    flex-direction: column-reverse;
    text-align: center;
    padding: 20px;
    gap: 16px;
  }

  .banner-image {
    width: 120px;
    height: 120px;
  }
}