/* StyleCraft Pro - Enhanced Premium Design System */

/* CSS Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Enhanced Premium Color System */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-elevated: #ffffff;
  --bg-overlay: rgba(255, 255, 255, 0.95);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #64748b;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;

  --border-primary: #e2e8f0;
  --border-secondary: #cbd5e1;
  --border-focus: #3b82f6;

  --accent-color: #0f172a;
  --accent-hover: #1e293b;
  --accent-light: #f1f5f9;
  --accent-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);

  /* Semantic Colors */
  --success-color: #059669;
  --success-light: #d1fae5;
  --warning-color: #d97706;
  --warning-light: #fef3c7;
  --error-color: #dc2626;
  --error-light: #fee2e2;
  --info-color: #0ea5e9;
  --info-light: #e0f2fe;

  /* Enhanced Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.15);
  --shadow-colored: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -4px rgba(15, 23, 42, 0.1);

  /* Enhanced Spacing */
  --space-px: 1px;
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Enhanced Border Radius */
  --radius-xs: 0.125rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Enhanced Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 300ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* Z-Index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-toast: 1080;
}

/* Dark Mode */
body[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-elevated: #1e293b;
  --bg-overlay: rgba(15, 23, 42, 0.95);

  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-tertiary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0f172a;

  --border-primary: #334155;
  --border-secondary: #475569;

  --accent-color: #f8fafc;
  --accent-hover: #e2e8f0;
  --accent-light: #1e293b;
  --accent-gradient: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);

  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px -1px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(248, 250, 252, 0.1);
  --shadow-colored: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
}

/* Base Styles */
html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  transition: background-color var(--transition-normal), color var(--transition-normal);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Header */
.header {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-primary);
  position: relative;
}

.header-content {
  max-width: 1600px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
}

.logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.theme-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.875rem;
  font-weight: 500;
}

.theme-toggle:hover {
  background: var(--accent-light);
  border-color: var(--border-secondary);
  color: var(--text-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* Enhanced Main Content */
.main-content {
  flex: 1;
  padding: var(--space-8) var(--space-6);
  max-width: 1600px;
  margin: 0 auto;
  width: 100%;
}

.tool-container {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: var(--space-12);
  min-height: 600px;
}

/* Enhanced Form Section */
.form-section {
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  height: fit-content;
  position: sticky;
  top: calc(var(--space-16) + var(--space-4));
  transition: all var(--transition-normal);
}

.section-header {
  margin-bottom: var(--space-8);
  text-align: center;
}

.section-header h2 {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-2);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.5;
}

/* Template Buttons */
.template-buttons {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.template-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex: 1;
  justify-content: center;
}

.template-btn:hover {
  background: var(--accent-light);
  border-color: var(--accent-color);
  color: var(--accent-color);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.template-icon {
  font-size: 1rem;
}

/* Enhanced Form Elements */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.875rem;
}

.quality-badge {
  background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
  color: var(--text-inverse);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-select,
.form-input,
.color-text-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--border-primary);
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 0.875rem;
  transition: all var(--transition-fast);
  font-family: inherit;
  font-weight: 500;
}

.form-select:focus,
.form-input:focus,
.color-text-input:focus {
  outline: none;
  border-color: var(--accent-color);
  background: var(--bg-primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.select-wrapper {
  position: relative;
}

.select-icon {
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
  transition: color var(--transition-fast);
}

.form-select:focus + .select-icon {
  color: var(--accent-color);
}

/* Enhanced Logo Upload */
.logo-upload-section {
  margin-bottom: var(--space-8);
}

.logo-upload-area {
  border: 2px dashed var(--border-secondary);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
  background: var(--bg-secondary);
}

.logo-upload-area:hover {
  border-color: var(--accent-color);
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.logo-upload-area.drag-over {
  border-color: var(--accent-color) !important;
  background: var(--accent-light) !important;
  transform: scale(1.02) !important;
  box-shadow: var(--shadow-lg) !important;
}

.upload-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  color: var(--text-secondary);
}

.upload-icon {
  padding: var(--space-4);
  background: var(--bg-primary);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.logo-upload-area:hover .upload-icon {
  background: var(--accent-color);
  color: var(--text-inverse);
  transform: scale(1.1);
}

.upload-placeholder p {
  font-weight: 600;
  font-size: 1rem;
  margin: 0;
  color: var(--text-primary);
}

.upload-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.logo-preview {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.logo-preview img {
  max-width: 120px;
  max-height: 80px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.logo-analysis {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: 100%;
}

.analysis-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  transition: all var(--transition-fast);
}

.analysis-item:hover {
  background: var(--accent-light);
  transform: translateX(4px);
}

.analysis-label {
  font-weight: 600;
  color: var(--text-secondary);
}

.analysis-value {
  font-weight: 500;
  color: var(--accent-color);
}

.remove-logo {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 24px;
  height: 24px;
  background: var(--error-color);
  color: var(--text-inverse);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.remove-logo:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

/* Enhanced AI Actions */
.ai-actions {
  margin-top: var(--space-6);
}

.analyze-logo-btn {
  width: 100%;
  background: var(--accent-gradient);
  color: var(--text-inverse);
  border: none;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-lg);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-colored);
}

.analyze-logo-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

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

.btn-content,
.btn-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  transition: all var(--transition-fast);
}

.loading-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
}

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

.style-variations {
  margin-top: var(--space-6);
}

.variation-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.variation-btn {
  padding: var(--space-4);
  background: var(--bg-secondary);
  border: 2px solid var(--border-primary);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.variation-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
  transition: left 0.6s;
}

.variation-btn:hover::before {
  left: 100%;
}

.variation-btn:hover {
  border-color: var(--accent-color);
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.variation-btn.active {
  border-color: var(--accent-color);
  background: var(--accent-color);
  color: var(--text-inverse);
  box-shadow: var(--shadow-colored);
}

.variation-name {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: var(--space-1);
}

.variation-desc {
  display: block;
  font-size: 0.75rem;
  opacity: 0.8;
}

/* Enhanced Color System */
.color-input-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.color-palette-grid .color-input-group {
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-2);
}

.color-picker-wrapper {
  position: relative;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid var(--border-primary);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.color-picker-wrapper:hover {
  border-color: var(--accent-color);
  box-shadow: var(--shadow-md);
  transform: scale(1.05);
}

.color-palette-grid .color-picker-wrapper {
  width: 100%;
  height: 64px;
}

.color-picker {
  width: 100%;
  height: 100%;
  border: none;
  cursor: pointer;
}

.color-label {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-weight: 600;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.color-harmony {
  height: 6px;
  border-radius: var(--radius-full);
  margin-top: var(--space-2);
  opacity: 0.8;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.color-harmony::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  to { left: 100%; }
}

.color-palette-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.typography-group {
  display: flex;
  gap: var(--space-3);
  align-items: end;
}

.typography-group .select-wrapper {
  flex: 1;
}

/* Enhanced Accessibility Panel */
.accessibility-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-top: var(--space-4);
  transition: all var(--transition-normal);
}

.accessibility-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.accessibility-header svg {
  color: var(--success-color);
}

.accessibility-header span {
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
}

.accessibility-score {
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  transition: all var(--transition-fast);
}

.accessibility-score.aaa {
  background: var(--success-color);
  color: white;
  animation: success-pulse 2s infinite;
}

.accessibility-score.aa {
  background: var(--warning-color);
  color: white;
}

.accessibility-score.fail {
  background: var(--error-color);
  color: white;
  animation: error-pulse 1s infinite;
}

@keyframes success-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

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

.accessibility-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.accessibility-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
}

.accessibility-item span:first-child {
  color: var(--text-secondary);
}

.accessibility-item span:last-child {
  font-weight: 600;
  color: var(--success-color);
}

/* Enhanced Action Buttons */
.action-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  font-family: inherit;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.action-btn.primary {
  background: var(--accent-gradient);
  color: var(--text-inverse);
  width: 100%;
  justify-content: center;
  padding: var(--space-4) var(--space-6);
  font-size: 1rem;
  box-shadow: var(--shadow-colored);
}

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

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

.action-btn.secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 2px solid var(--border-primary);
}

.action-btn.secondary:hover {
  background: var(--accent-light);
  border-color: var(--accent-color);
  color: var(--accent-color);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* Enhanced Cards */
.recommendations-card,
.breakdown-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-top: var(--space-6);
  transition: all var(--transition-normal);
}

.card-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.card-header h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
}

.card-header svg {
  color: var(--accent-color);
}

.confidence-score,
.analysis-badge {
  background: var(--success-color);
  color: var(--text-inverse);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}

.analysis-badge {
  background: var(--info-color);
}

.recommendation-content {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
}

.recommendation-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.recommendation-tag {
  background: var(--accent-light);
  color: var(--accent-color);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  display: inline-block;
}

.recommendation-tag:hover {
  background: var(--accent-color);
  color: var(--text-inverse);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.breakdown-item {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-primary);
  animation: slideInLeft 0.6s ease-out;
  animation-fill-mode: both;
}

.breakdown-item:nth-child(1) { animation-delay: 0.1s; }
.breakdown-item:nth-child(2) { animation-delay: 0.2s; }
.breakdown-item:nth-child(3) { animation-delay: 0.3s; }
.breakdown-item:nth-child(4) { animation-delay: 0.4s; }

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.breakdown-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.breakdown-item h5 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-color);
  margin-bottom: var(--space-2);
}

/* Enhanced Preview Section */
.preview-section {
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
}

.preview-header {
  padding: var(--space-6) var(--space-8);
  border-bottom: 1px solid var(--border-primary);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  background: var(--bg-secondary);
}

.preview-title h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.preview-subtitle {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin: 0;
}

.preview-controls {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: flex-end;
}

.view-controls {
  display: flex;
  gap: var(--space-2);
}

.view-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.view-btn::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transform: translateX(-50%);
  transition: width var(--transition-fast);
}

.view-btn:hover,
.view-btn.active {
  background: var(--accent-color);
  color: var(--text-inverse);
  border-color: var(--accent-color);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.view-btn.active::after,
.view-btn:hover::after {
  width: 100%;
}

.export-buttons {
  display: flex;
  gap: var(--space-2);
}

.export-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.export-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.6s;
}

.export-btn:hover::before {
  left: 100%;
}

.export-btn:hover {
  background: var(--accent-light);
  color: var(--accent-color);
  border-color: var(--accent-color);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* Enhanced Preview Tabs */
.preview-tabs {
  display: flex;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
  overflow-x: auto;
}

.preview-tab {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border-bottom: 2px solid transparent;
  font-family: inherit;
  white-space: nowrap;
}

.preview-tab:hover {
  color: var(--text-primary);
  background: var(--bg-primary);
}

.preview-tab.active {
  color: var(--accent-color);
  background: var(--bg-primary);
  border-bottom-color: var(--accent-color);
}

/* Preview Content */
.preview-content {
  min-height: 600px;
  background: var(--bg-primary);
  transition: all var(--transition-normal);
  position: relative;
}

.preview-panel {
  display: none;
  padding: var(--space-6);
  min-height: 500px;
  opacity: 0;
  transform: translateX(20px);
  transition: all var(--transition-normal);
  pointer-events: none;
}

.preview-panel.active {
  display: block;
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

/* Enhanced Notifications */
.notification {
  position: fixed;
  top: 24px;
  right: 24px;
  padding: 16px 24px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14px;
  z-index: 1000;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  max-width: 400px;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

.notification.success {
  background: #059669;
  color: white;
}

.notification.error {
  background: #dc2626;
  color: white;
}

.notification.warning {
  background: #d97706;
  color: white;
}

.notification.info {
  background: #0ea5e9;
  color: white;
}

/* Button Variants */
.btn-primary {
  background: var(--accent-gradient);
  color: var(--text-inverse);
  border: none;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-colored);
}

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

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-primary);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

/* Responsive Design */
@media (max-width: 1200px) {
  .tool-container {
    grid-template-columns: 380px 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 1024px) {
  .tool-container {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .form-section {
    position: static;
  }

  .main-content {
    padding: var(--space-6) var(--space-4);
  }
}

@media (max-width: 768px) {
  .header-content {
    padding: var(--space-3) var(--space-4);
    flex-direction: column;
    gap: var(--space-4);
    align-items: flex-start;
  }

  .template-buttons {
    flex-direction: column;
  }

  .main-content {
    padding: var(--space-4);
  }

  .form-section,
  .preview-section {
    padding: var(--space-6);
  }

  .preview-controls {
    flex-direction: row;
    align-items: center;
    gap: var(--space-4);
  }

  .export-buttons {
    flex-direction: column;
    width: 100%;
  }

  .export-btn {
    justify-content: center;
  }

  .preview-tabs {
    flex-wrap: wrap;
  }

  .preview-tab {
    flex: 1;
    min-width: 120px;
    justify-content: center;
  }

  .color-palette-grid {
    grid-template-columns: 1fr;
  }

  .typography-group {
    flex-direction: column;
    align-items: stretch;
  }

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

  .notification {
    right: 16px;
    left: 16px;
    max-width: none;
    transform: translateY(-100%);
  }
  
  .notification.show {
    transform: translateY(0);
  }
}

@media (max-width: 480px) {
  .brand {
    font-size: 1.125rem;
  }

  .logo {
    width: 28px;
    height: 28px;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

  .preview-title h2 {
    font-size: 1.25rem;
  }

  .template-btn {
    padding: var(--space-2);
    font-size: 0.75rem;
  }

  .template-btn span:not(.template-icon) {
    display: none;
  }
}

/* Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
  position: relative;
}

.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--border-primary);
  border-top-color: var(--accent-color);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
  z-index: 1;
}

.component-loading {
  opacity: 0.6;
  pointer-events: none;
  position: relative;
}

.component-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--border-primary);
  border-top-color: var(--accent-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Focus Styles */
*:focus-visible {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Selection */
::selection {
  background: rgba(15, 23, 42, 0.1);
  color: var(--text-primary);
}

body[data-theme="dark"] ::selection {
  background: rgba(248, 250, 252, 0.1);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-secondary);
  border-radius: var(--radius-full);
}

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

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .form-select,
  .form-input,
  .color-text-input {
    border-width: 3px;
  }

  .action-btn,
  .export-btn,
  .view-btn {
    border-width: 2px;
  }
}

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

/* Print Styles */
@media print {
  .header,
  .form-section,
  .notification,
  .ai-actions,
  .export-buttons {
    display: none !important;
  }

  .preview-section {
    box-shadow: none !important;
    border: 1px solid #000 !important;
  }

  .main-content {
    padding: 0 !important;
  }

  .tool-container {
    grid-template-columns: 1fr !important;
  }

  .breakdown-item,
  .analysis-item {
    animation: none !important;
  }
}