/**
 * XDRIPIA MEDIA CONSOLE - Professional Design System
 * Version: 2.0
 * A comprehensive CSS design system for the admin panel
 */

/* ==========================================
   1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ========================================== */
:root {
  /* Colors - Primary */
  --color-primary: #0271fc;
  --color-primary-light: #58a6ff;
  --color-primary-dark: #0058cc;
  --color-primary-glow: rgba(2, 113, 252, 0.15);

  /* Colors - Semantic */
  --color-success: #3fb950;
  --color-success-light: #56d364;
  --color-warning: #d29922;
  --color-warning-light: #e3b341;
  --color-danger: #f85149;
  --color-danger-light: #ff7b72;
  --color-info: #58a6ff;

  /* Colors - Neutral */
  --color-bg: #0d1117;
  --color-bg-elevated: #161b22;
  --color-surface: rgba(22, 27, 34, 0.8);
  --color-surface-hover: rgba(33, 38, 45, 0.9);
  --color-border: rgba(48, 54, 61, 0.6);
  --color-border-light: rgba(48, 54, 61, 0.3);

  /* Colors - Text */
  --color-text: #c9d1d9;
  --color-text-muted: #8b949e;
  --color-text-bright: #f0f6fc;
  --color-text-link: #58a6ff;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px var(--color-primary-glow);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;

  /* Typography */
  --font-sans: 'Clash Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.8125rem;
  --text-base: 0.875rem;
  --text-lg: 1rem;
  --text-xl: 1.125rem;
  --text-2xl: 1.25rem;
  --text-3xl: 1.5rem;
  --text-4xl: 2rem;
}

/* ==========================================
   2. RESET & BASE
   ========================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
}

/* ==========================================
   3. TYPOGRAPHY
   ========================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-text-bright);
  letter-spacing: -0.02em;
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }
h5 { font-size: var(--text-base); }
h6 { font-size: var(--text-sm); }

p {
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

a {
  color: var(--color-text-link);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-light);
}

code, pre {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

code {
  background: var(--color-surface);
  padding: 0.125em 0.375em;
  border-radius: var(--radius-sm);
  color: var(--color-primary-light);
}

pre {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  overflow-x: auto;
}

/* ==========================================
   4. LAYOUT
   ========================================== */
.app {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

@media (max-width: 1024px) {
  .app {
    grid-template-columns: 72px 1fr;
  }
}

@media (max-width: 768px) {
  .app {
    grid-template-columns: 1fr;
  }
}

.main {
  padding: var(--space-xl);
  min-height: 100vh;
  background: var(--color-bg);
}

@media (max-width: 768px) {
  .main {
    padding: var(--space-md);
  }
}

.container {
  max-width: 1400px;
  margin: 0 auto;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Flex Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.flex-1 { flex: 1; }
.flex-wrap { flex-wrap: wrap; }

/* ==========================================
   5. HEADER
   ========================================== */
.header {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border-light);
}

.header h1 {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.header-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.header-subtitle {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ==========================================
   6. CARDS
   ========================================== */
.card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  border-color: var(--color-border);
}

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

.card-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-bright);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.card-body {
  color: var(--color-text);
}

.card-footer {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

/* Interactive Card */
.card-interactive {
  cursor: pointer;
}

.card-interactive:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

/* Stat Card */
.stat-card {
  background: linear-gradient(135deg, var(--color-bg-elevated) 0%, rgba(2, 113, 252, 0.05) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.stat-card-value {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text-bright);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-card-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-card-trend {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-sm);
  margin-top: var(--space-sm);
}

.stat-card-trend.positive { color: var(--color-success); }
.stat-card-trend.negative { color: var(--color-danger); }

/* ==========================================
   7. FORMS
   ========================================== */
label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.input,
.select,
.textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-family: inherit;
  font-size: var(--text-base);
  color: var(--color-text-bright);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.input::placeholder {
  color: var(--color-text-muted);
}

.input:disabled,
.select:disabled,
.textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Input sizes */
.input-sm {
  padding: 0.375rem 0.625rem;
  font-size: var(--text-sm);
}

.input-lg {
  padding: 0.875rem 1rem;
  font-size: var(--text-lg);
}

/* Input with icon */
.input-group {
  position: relative;
}

.input-group .input {
  padding-left: 2.5rem;
}

.input-group-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

/* Select */
.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238b949e' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

/* Checkbox & Radio */
.checkbox,
.radio {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
}

.checkbox input,
.radio input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* Form Group */
.form-group {
  margin-bottom: var(--space-md);
}

.form-row {
  display: flex;
  gap: var(--space-md);
}

.form-row > * {
  flex: 1;
}

.form-help {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* ==========================================
   8. BUTTONS
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.625rem 1rem;
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  color: #fff;
  background: var(--color-primary);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Button Variants */
.btn-secondary {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text);
}

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

.btn-outline {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}

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

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
}

.btn-ghost:hover {
  background: var(--color-surface);
  color: var(--color-text-bright);
}

.btn-success {
  background: var(--color-success);
}

.btn-success:hover {
  background: var(--color-success-light);
}

.btn-danger,
.btn.danger {
  background: transparent;
  border-color: rgba(248, 81, 73, 0.4);
  color: var(--color-danger);
}

.btn-danger:hover,
.btn.danger:hover {
  background: rgba(248, 81, 73, 0.1);
  border-color: var(--color-danger);
}

.btn-warning {
  background: var(--color-warning);
  color: #000;
}

/* Button Sizes */
.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: var(--text-xs);
}

.btn-lg {
  padding: 0.875rem 1.5rem;
  font-size: var(--text-base);
}

.btn-icon {
  padding: 0.5rem;
  width: 36px;
  height: 36px;
}

.btn-icon svg {
  width: 18px;
  height: 18px;
}

/* Button Group */
.btn-group {
  display: flex;
}

.btn-group .btn {
  border-radius: 0;
}

.btn-group .btn:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.btn-group .btn:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.btn-group .btn:not(:last-child) {
  border-right: none;
}

/* ==========================================
   9. TABLES
   ========================================== */
.table-container {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-elevated);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.table th,
.table td {
  padding: 0.875rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
}

.table th {
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  background: rgba(0, 0, 0, 0.2);
}

.table td {
  color: var(--color-text);
}

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

.table tbody tr:hover {
  background: var(--color-surface);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* Table Variants */
.table-striped tbody tr:nth-child(even) {
  background: rgba(0, 0, 0, 0.15);
}

.table-compact th,
.table-compact td {
  padding: 0.5rem 0.75rem;
}

/* ==========================================
   10. BADGES
   ========================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.25rem 0.625rem;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
}

.badge-primary {
  background: var(--color-primary-glow);
  border-color: rgba(2, 113, 252, 0.3);
  color: var(--color-primary-light);
}

.badge-success {
  background: rgba(63, 185, 80, 0.15);
  border-color: rgba(63, 185, 80, 0.3);
  color: var(--color-success);
}

.badge-warning {
  background: rgba(210, 153, 34, 0.15);
  border-color: rgba(210, 153, 34, 0.3);
  color: var(--color-warning);
}

.badge-danger,
.badge.locked {
  background: rgba(248, 81, 73, 0.15);
  border-color: rgba(248, 81, 73, 0.3);
  color: var(--color-danger);
}

.badge-info {
  background: rgba(88, 166, 255, 0.15);
  border-color: rgba(88, 166, 255, 0.3);
  color: var(--color-info);
}

/* Legacy badge classes for compatibility */
.badge.admin {
  background: rgba(210, 153, 34, 0.15);
  border-color: rgba(210, 153, 34, 0.3);
  color: var(--color-warning);
}

.badge.pin,
.badge.pin-active {
  background: rgba(63, 185, 80, 0.15);
  border-color: rgba(63, 185, 80, 0.3);
  color: var(--color-success);
}

.badge.pin-inactive {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text-muted);
}

/* ==========================================
   11. ALERTS
   ========================================== */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.alert-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

/* Alert variants */
.alert-success,
.alert.success {
  background: rgba(63, 185, 80, 0.1);
  border-color: rgba(63, 185, 80, 0.3);
  color: var(--color-success-light);
}

.alert-warning,
.alert.warn {
  background: rgba(210, 153, 34, 0.1);
  border-color: rgba(210, 153, 34, 0.3);
  color: var(--color-warning-light);
}

.alert-danger,
.alert.error,
.alert.bad {
  background: rgba(248, 81, 73, 0.1);
  border-color: rgba(248, 81, 73, 0.3);
  color: var(--color-danger-light);
}

.alert-info {
  background: rgba(88, 166, 255, 0.1);
  border-color: rgba(88, 166, 255, 0.3);
  color: var(--color-info);
}

/* ==========================================
   12. FILE GRID
   ========================================== */
.file-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-md);
}

.grid-item {
  position: relative;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-base);
}

.grid-item:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.grid-item img,
.grid-item video {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  background: var(--color-bg);
}

.grid-item-info {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-elevated);
}

.grid-item-name {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-bright);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.grid-item-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.grid-item-checkbox {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  width: 20px;
  height: 20px;
  background: rgba(0, 0, 0, 0.6);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.grid-item-checkbox:checked {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.grid-item-type {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  padding: 0.25rem 0.5rem;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  background: rgba(0, 0, 0, 0.7);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(4px);
}

/* ==========================================
   13. LIGHTBOX
   ========================================== */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.lightbox-content img,
.lightbox-content video {
  max-width: 80vw;
  max-height: 75vh;
  object-fit: contain;
  display: block;
}

.lightbox-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-lg);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
}

.lightbox-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  flex-wrap: wrap;
}

.lightbox-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 40px;
  height: 40px;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: var(--radius-full);
  font-size: var(--text-xl);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  z-index: 10;
}

.lightbox-close:hover {
  background: var(--color-danger);
  border-color: var(--color-danger);
  color: #fff;
}

/* ==========================================
   14. VIEW TOGGLE
   ========================================== */
.view-toggle {
  display: flex;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 3px;
}

.view-toggle .btn {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
}

.view-toggle .btn:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
  transform: none;
  box-shadow: none;
}

.view-toggle .btn.active {
  background: var(--color-primary);
  color: #fff;
}

/* ==========================================
   15. USER MANAGEMENT
   ========================================== */
.user-row {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  transition: border-color var(--transition-fast);
}

.user-row:hover {
  border-color: var(--color-primary);
}

.user-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.user-avatar {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-lg);
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(2, 113, 252, 0.3);
}

.user-info {
  flex: 1;
  min-width: 0;
}

.user-name {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-bright);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.user-meta {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.user-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.action-group {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

/* ==========================================
   16. PROFILE
   ========================================== */
.profile-header {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  padding: var(--space-xl);
  background: linear-gradient(135deg, var(--color-bg-elevated), rgba(2, 113, 252, 0.05));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-xl);
}

.profile-avatar {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-3xl);
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(2, 113, 252, 0.35);
}

.profile-info h2 {
  margin-bottom: var(--space-xs);
}

.profile-info p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.profile-badges {
  display: flex;
  gap: var(--space-sm);
}

/* Form Section */
.form-section {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.section-title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-bright);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border-light);
}

.section-icon {
  font-size: var(--text-xl);
}

.help-text {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* ==========================================
   17. FOOTER
   ========================================== */
.footer {
  margin-top: var(--space-2xl);
  padding: var(--space-lg);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  border-top: 1px solid var(--color-border-light);
}

/* ==========================================
   18. DROPZONE
   ========================================== */
.dropzone {
  background: var(--color-bg-elevated);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  transition: all var(--transition-base);
  cursor: pointer;
}

.dropzone:hover,
.dropzone.dz-drag-hover {
  border-color: var(--color-primary);
  background: rgba(2, 113, 252, 0.05);
}

.dropzone .dz-message {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
}

.dropzone .dz-preview {
  background: var(--color-surface);
  border-radius: var(--radius-md);
}

/* ==========================================
   19. UTILITIES
   ========================================== */
/* Spacing */
.m-0 { margin: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.p-0 { padding: 0; }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }

/* Text */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-muted); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.font-bold { font-weight: 700; }
.font-medium { font-weight: 500; }

/* Display */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

/* Width */
.w-full { width: 100%; }
.w-auto { width: auto; }

/* Cursor */
.cursor-pointer { cursor: pointer; }
.copy { cursor: copy; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Border */
.border { border: 1px solid var(--color-border); }
.border-t { border-top: 1px solid var(--color-border); }
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }

/* ==========================================
   20. ANIMATIONS
   ========================================== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.animate-fade-in { animation: fadeIn var(--transition-base); }
.animate-slide-in { animation: slideIn var(--transition-base); }
.animate-pulse { animation: pulse 2s infinite; }
.animate-spin { animation: spin 1s linear infinite; }

/* ==========================================
   21. SCROLLBAR
   ========================================== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) var(--color-bg);
}

/* ==========================================
   22. RESPONSIVE
   ========================================== */
@media (max-width: 768px) {
  .header {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-actions {
    width: 100%;
    flex-wrap: wrap;
  }

  .profile-header {
    flex-direction: column;
    text-align: center;
  }

  .user-actions {
    flex-direction: column;
  }

  .form-row {
    flex-direction: column;
  }

  .btn-group {
    flex-wrap: wrap;
  }
}