/* ========================================
   SmartOpenet Cloud CSS - Phase 3
   Simple, Clean File Upload Interface
   ======================================== */

:root {
  /* Colors */
  --primary: #0066ff;
  --primary-dark: #0052cc;
  --primary-light: #e6f2ff;
  --secondary: #6c5ce7;
  --success: #27ae60;
  --danger: #e74c3c;
  --warning: #f39c12;
  --info: #3498db;
  
  --text-dark: #1a1a1a;
  --text-light: #666;
  --text-muted: #999;
  --border: #e0e0e0;
  --bg-light: #f5f5f5;
  --bg-white: #ffffff;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #0066ff 0%, #0052cc 100%);
  --gradient-secondary: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.16);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'Menlo', 'Monaco', 'Courier New', monospace;
}

/* ========================================
   Base Styles
   ======================================== */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-dark);
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  min-height: 100vh;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

/* ========================================
   Typography
   ======================================== */

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--text-dark) 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-dark);
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-dark);
}

h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-light);
  line-height: 1.7;
}

/* ========================================
   Header & Navigation
   ======================================== */

.cloud-header {
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
  margin: -1rem -1rem 0 -1rem;
  padding: var(--spacing-lg);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.badge-decentralized {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.nav-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  background: transparent;
  color: var(--text-light);
  cursor: pointer;
  font-weight: 500;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.nav-btn:hover {
  background: var(--bg-light);
  color: var(--primary);
}

/* ========================================
   Hero Section
   ======================================== */

.hero-simple {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-2xl) 0;
}

.hero-content h1 {
  margin-bottom: var(--spacing-md);
}

.hero-content > p {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 0;
}

/* ========================================
   Upload Container
   ======================================== */

.upload-container {
  background: var(--bg-white);
  border-radius: 12px;
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-xl);
}

.upload-zone {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: var(--spacing-2xl);
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  background: var(--bg-light);
}

.upload-zone:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.upload-zone.dragover {
  border-color: var(--primary);
  background: var(--primary-light);
  transform: scale(1.02);
}

.upload-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  display: block;
}

.upload-zone h2 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
}

.upload-zone > p:first-of-type {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: var(--spacing-lg);
}

.upload-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: var(--spacing-md) !important;
}

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

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.1rem;
}

.btn-block {
  display: block;
  width: 100%;
}

.btn-secondary {
  background: var(--bg-light);
  color: var(--text-dark);
  border: 1px solid var(--border);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

.auth-btn {
  display: block;
  width: 100%;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.2s ease;
  text-align: left;
}

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

.auth-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.auth-form textarea {
  width: 100%;
  resize: vertical;
  min-height: 84px;
  padding: var(--spacing-md);
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
}

.upgrade-btn {
  background: white;
  border: 2px solid var(--border);
  color: var(--text-dark);
  padding: var(--spacing-md);
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s ease;
  width: 100%;
  margin-top: var(--spacing-md);
}

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

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

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

/* ========================================
   Quota Section
   ======================================== */

.quota-section {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--border);
}

.quota-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.quota-bar {
  width: 100%;
  height: 12px;
  background: var(--bg-light);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: var(--spacing-md);
  position: relative;
}

.quota-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 10px;
  transition: width 0.3s ease;
  width: 0%;
}

.quota-status {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--text-light);
}

.quota-status.warning .quota-message {
  color: var(--warning);
}

.quota-status.critical .quota-message {
  color: var(--danger);
}

/* ========================================
   Files Container
   ======================================== */

.files-container {
  background: var(--bg-white);
  border-radius: 12px;
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-xl);
}

.files-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border);
}

.files-header h3 {
  margin: 0;
}

.file-count {
  background: var(--bg-light);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-light);
}

.files-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.empty-state {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-muted);
}

.file-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-light);
  border-radius: 8px;
  transition: all 0.2s ease;
}

.file-item:hover {
  background: #f0f0f0;
}

.file-icon {
  font-size: 1.5rem;
  min-width: 30px;
}

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

.file-name {
  font-weight: 600;
  color: var(--text-dark);
  word-break: break-word;
  margin-bottom: var(--spacing-xs);
}

.file-meta {
  display: flex;
  gap: var(--spacing-md);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.file-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.file-action {
  appearance: none;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-dark);
  cursor: pointer;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 4px;
  transition: all 0.2s ease;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.file-action:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.file-action:disabled {
  cursor: wait;
  opacity: 0.65;
}

.file-share.private {
  border-color: rgba(52, 152, 219, 0.28);
}

.file-delete {
  color: var(--danger);
}

.file-delete:hover {
  border-color: var(--danger);
  color: var(--danger);
  background: rgba(231, 76, 60, 0.1);
}

/* ========================================
   Stats Section
   ======================================== */

.stats-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background: var(--bg-white);
  padding: var(--spacing-xl);
  border-radius: 12px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

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

.stat-card strong {
  display: block;
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: var(--spacing-sm);
}

.stat-card p {
  color: var(--text-light);
  margin: 0;
  font-size: 0.95rem;
}

.cloud-economy-dashboard {
  max-width: 1200px;
  margin: 0 auto var(--spacing-2xl);
  padding: var(--spacing-xl);
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
}

.cloud-products-section {
  max-width: 1200px;
  margin: 0 auto var(--spacing-2xl);
  padding: var(--spacing-xl);
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
}

.dashboard-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.dashboard-header h3 {
  margin-bottom: var(--spacing-xs);
}

.dashboard-header p {
  color: var(--text-light);
}

.asset-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.asset-card {
  padding: var(--spacing-lg);
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-light);
}

.asset-card span,
.asset-card small {
  display: block;
  color: var(--text-light);
}

.asset-card strong {
  display: block;
  margin: var(--spacing-xs) 0;
  font-size: 1.4rem;
  color: var(--primary);
}

.economy-controls {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--spacing-md);
  align-items: end;
}

.economy-controls label {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  color: var(--text-dark);
  font-weight: 600;
}

.economy-controls input,
.economy-controls select {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-white);
  color: var(--text-dark);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--spacing-md);
}

.service-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.service-card strong {
  color: var(--text-dark);
  font-size: 1.1rem;
}

.service-card .rate {
  color: var(--primary);
  font-weight: 600;
  margin: 0;
}

.service-card ul {
  margin: 0 0 var(--spacing-sm);
  padding-left: var(--spacing-lg);
  color: var(--text-light);
}

.service-card .btn-block {
  margin-top: auto;
}

/* ========================================
   Modal Styles
   ======================================== */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideIn {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
}

.modal-content {
  position: relative;
  background: var(--bg-white);
  border-radius: 12px;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
  z-index: 1001;
}

.modal-content.narrow {
  max-width: 400px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xl);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg-white);
}

.modal-header h2 {
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-light);
  padding: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: var(--bg-light);
  color: var(--text-dark);
}

.modal-body {
  padding: var(--spacing-xl);
}

.modal-footer {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
  padding: var(--spacing-xl);
  border-top: 1px solid var(--border);
  position: sticky;
  bottom: 0;
  background: var(--bg-white);
}

.modal-footer button {
  flex: 1;
}

/* ========================================
   Forms
   ======================================== */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--text-dark);
}

.form-group input,
.form-group select {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  font-family: var(--font-family);
  transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.auth-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

.auth-form {
  background: var(--bg-light);
  padding: var(--spacing-lg);
  border-radius: 8px;
  margin-top: var(--spacing-lg);
}

.auth-form h3 {
  margin-top: 0;
}

/* ========================================
   Alerts & Status Messages
   ======================================== */

.alert-box {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  padding: var(--spacing-lg);
  border-radius: 6px;
  margin-bottom: var(--spacing-lg);
}

.alert-box strong {
  color: var(--primary-dark);
}

.status-message {
  padding: var(--spacing-md);
  border-radius: 6px;
  margin: var(--spacing-md) 0;
  font-size: 0.95rem;
  display: none;
}

.status-message.show {
  display: block;
}

.status-message.success {
  background: rgba(39, 174, 96, 0.1);
  color: var(--success);
  border-left: 4px solid var(--success);
}

.status-message.error {
  background: rgba(231, 76, 60, 0.1);
  color: var(--danger);
  border-left: 4px solid var(--danger);
}

.status-message.warning {
  background: rgba(243, 156, 18, 0.1);
  color: var(--warning);
  border-left: 4px solid var(--warning);
}

/* ========================================
   Storage Packages Grid
   ======================================== */

.storage-packages {
  margin: var(--spacing-xl) 0;
}

.storage-packages h3 {
  margin-top: 0;
}

.packages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.package-card {
  background: var(--bg-light);
  padding: var(--spacing-lg);
  border-radius: 8px;
  text-align: center;
  border: 2px solid var(--border);
  transition: all 0.2s ease;
  position: relative;
  cursor: pointer;
}

.package-card:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.package-card.featured {
  border-color: var(--primary);
  background: var(--primary-light);
}

.package-card strong {
  display: block;
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
}

.package-card .price {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--spacing-xs);
}

.package-card .subtext {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

.badge {
  position: absolute;
  top: -10px;
  right: 10px;
  background: var(--primary);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.pricing-note {
  font-size: 0.9rem;
  color: var(--text-light);
  text-align: center;
  margin-top: var(--spacing-lg);
}

/* ========================================
   Confirm Details
   ======================================== */

.confirm-details {
  background: var(--bg-light);
  padding: var(--spacing-lg);
  border-radius: 8px;
  margin-bottom: var(--spacing-lg);
}

.confirm-details > div {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border);
}

.confirm-details > div:last-child {
  border-bottom: none;
}

.confirm-details span {
  color: var(--text-light);
}

.confirm-details strong {
  color: var(--text-dark);
}

/* ========================================
   Signup Form
   ======================================== */

.signup-form h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-lg);
}

.about-content {
  line-height: 1.8;
}

.about-content h3 {
  margin-top: var(--spacing-lg);
}

.about-content h4 {
  margin-top: var(--spacing-md);
}

.about-content ul {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.about-content li {
  margin-bottom: var(--spacing-sm);
  color: var(--text-light);
}

/* ========================================
   Responsive Design
   ======================================== */

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

  .cloud-header {
    margin: -0.5rem -0.5rem 0 -0.5rem;
    padding: var(--spacing-md);
  }

  .header-content {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.3rem;
  }

  .upload-zone {
    padding: var(--spacing-lg);
  }

  .upload-zone h2 {
    font-size: 1.2rem;
  }

  .upload-icon {
    font-size: 2.5rem;
  }

  .btn-large {
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .stats-section {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }

  .dashboard-header {
    flex-direction: column;
  }

  .asset-grid,
  .economy-controls,
  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .modal-content {
    max-width: 90vw;
    margin: var(--spacing-md);
  }

  .packages-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .file-item {
    flex-wrap: wrap;
  }

  .file-meta {
    width: 100%;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.1rem;
  }

  .hero-simple {
    padding: var(--spacing-lg) 0;
  }

  .upload-container {
    padding: var(--spacing-lg);
  }

  .upload-zone {
    padding: var(--spacing-lg);
  }

  .upload-icon {
    font-size: 2rem;
  }

  .stats-section {
    grid-template-columns: 1fr;
  }

  .asset-grid,
  .economy-controls,
  .services-grid {
    grid-template-columns: 1fr;
  }

  .packages-grid {
    grid-template-columns: 1fr;
  }

  .modal-header,
  .modal-body,
  .modal-footer {
    padding: var(--spacing-md);
  }

  .auth-options {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   Accessibility
   ======================================== */

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ========================================
   Dark Mode Support
   ======================================== */

@media (prefers-color-scheme: dark) {
  :root {
    --text-dark: #f5f5f5;
    --text-light: #b0b0b0;
    --text-muted: #808080;
    --border: #333;
    --bg-light: #2a2a2a;
    --bg-white: #1a1a1a;
  }

  body {
    background: linear-gradient(135deg, #0f0f0f 0%, #1a1a1a 100%);
  }

  .modal-overlay {
    background: rgba(0, 0, 0, 0.8);
  }
}