/* Copyright (c) 2026 YURIY MAKAREVICH */
/* ============================================
   CalendarSync Design System
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Color Palette */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;

  --accent-400: #a78bfa;
  --accent-500: #8b5cf6;
  --accent-600: #7c3aed;

  --success-400: #4ade80;
  --success-500: #22c55e;
  --warning-400: #fbbf24;
  --warning-500: #f59e0b;
  --danger-400: #f87171;
  --danger-500: #ef4444;
  --danger-600: #dc2626;

  /* Dark Theme */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-card: rgba(30, 41, 59, 0.8);
  --bg-card-hover: rgba(51, 65, 85, 0.9);
  --bg-glass: rgba(15, 23, 42, 0.75);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #93c5fd;

  --border-color: rgba(148, 163, 184, 0.15);
  --border-focus: var(--primary-500);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-500), var(--accent-500));
  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
  --gradient-card: linear-gradient(145deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.9));

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.15);

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Borders */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
  color: var(--primary-400);
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-md) 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-primary);
  font-weight: 700;
  font-size: var(--font-size-xl);
}

.logo-icon {
  font-size: 1.5rem;
  animation: spin 8s linear infinite;
}

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

  to {
    transform: rotate(360deg);
  }
}

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

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.user-avatar:hover {
  transform: scale(1.1);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md), 0 0 20px rgba(59, 130, 246, 0.2);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(59, 130, 246, 0.3);
}

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

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-card-hover);
  border-color: var(--primary-500);
}

.btn-danger {
  background: var(--danger-500);
  color: white;
}

.btn-danger:hover:not(:disabled) {
  background: var(--danger-600);
  transform: translateY(-1px);
}

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

.btn-ghost:hover:not(:disabled) {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.btn-sm {
  padding: 0.375rem 0.875rem;
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: var(--font-size-base);
  border-radius: var(--radius-lg);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* --- Cards --- */
.card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: rgba(148, 163, 184, 0.25);
  box-shadow: var(--shadow-glow);
}

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

.card-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

/* --- Form Elements --- */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.form-input,
.form-select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

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

.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary-500);
  cursor: pointer;
}

.form-checkbox label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  cursor: pointer;
}

/* --- Tabs --- */
.tabs {
  display: flex;
  gap: var(--spacing-xs);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--spacing-xl);
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs::-webkit-scrollbar {
  display: none;
}

.tab {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  font-family: var(--font-family);
}

.tab:hover {
  color: var(--text-secondary);
}

.tab.active {
  color: var(--primary-400);
  border-bottom-color: var(--primary-500);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

/* --- Chips --- */
.chip-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.25rem 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.chip:hover {
  border-color: var(--primary-500);
  color: var(--text-primary);
}

.chip-remove {
  width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  transition: all var(--transition-fast);
}

.chip-remove:hover {
  background: var(--danger-500);
  color: white;
}

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.625rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.badge-success {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success-400);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning-400);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger-400);
}

.badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: var(--primary-400);
}

/* --- Progress / Loading --- */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-top-color: var(--primary-500);
  border-radius: 50%;
  animation: rotate 0.6s linear infinite;
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 3px;
}

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

.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--spacing-lg);
  z-index: 200;
}

.loading-text {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* --- Toast --- */
.toast-container {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  animation: slideIn 0.3s ease, fadeOut 0.3s ease 3.7s;
  max-width: 400px;
}

.toast-success {
  border-left: 3px solid var(--success-500);
}

.toast-error {
  border-left: 3px solid var(--danger-500);
}

.toast-info {
  border-left: 3px solid var(--primary-500);
}

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

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 250;
  animation: fadeIn 0.2s ease;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  max-width: 500px;
  width: 90%;
  box-shadow: var(--shadow-xl);
}

.modal-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.modal-body {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xl);
}

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

/* --- Landing Page --- */
.hero {
  min-height: 100vh;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-xl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 40%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(139, 92, 246, 0.06) 0%, transparent 50%);
  animation: gradientShift 15s ease-in-out infinite;
}

@keyframes gradientShift {

  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
  }

  33% {
    transform: translate(2%, -2%) rotate(1deg);
  }

  66% {
    transform: translate(-1%, 1%) rotate(-1deg);
  }
}

.hero-content {
  position: relative;
  max-width: 800px;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-md);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  color: var(--primary-300);
  margin-bottom: var(--spacing-xl);
  font-weight: 500;
}

.hero h1 {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-300) 50%, var(--accent-400) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Features Section */
.features {
  padding: var(--spacing-3xl) var(--spacing-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-3xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.feature-card {
  padding: var(--spacing-2xl);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: rgba(59, 130, 246, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
}

.feature-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

/* How it works */
.steps {
  padding: var(--spacing-3xl) var(--spacing-xl);
  max-width: 900px;
  margin: 0 auto;
}

.step-list {
  list-style: none;
  counter-reset: step-counter;
}

.step-item {
  counter-increment: step-counter;
  display: flex;
  gap: var(--spacing-xl);
  align-items: flex-start;
  padding: var(--spacing-xl) 0;
  border-bottom: 1px solid var(--border-color);
}

.step-item:last-child {
  border-bottom: none;
}

.step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.step-content h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.step-content p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* --- Dashboard --- */
.dashboard {
  max-width: 1000px;
  margin: 0 auto;
  padding: calc(80px + var(--spacing-2xl)) var(--spacing-xl) var(--spacing-3xl);
}

.dashboard-header {
  margin-bottom: var(--spacing-2xl);
}

.dashboard-header h1 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

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

.status-row {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

.status-card {
  flex: 1;
  min-width: 200px;
  padding: var(--spacing-lg);
}

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

.status-card .status-value {
  font-size: var(--font-size-xl);
  font-weight: 700;
}

/* Version display */
.version-info {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
  padding: var(--spacing-lg);
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-xl);
}

.version-block {
  text-align: center;
}

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

.version-number {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--primary-400);
}

.version-separator {
  width: 1px;
  height: 40px;
  background: var(--border-color);
}

/* --- Group Editor Specific --- */
.editor-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--border-color);
}

.config-section {
  margin-bottom: var(--spacing-xl);
}

.config-section-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

/* Color picker grid */
.color-grid {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.color-option {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.color-option:hover {
  transform: scale(1.15);
}

.color-option.selected {
  border-color: white;
  box-shadow: 0 0 0 2px var(--primary-500);
}

/* Google Calendar Color IDs */
.color-1 {
  background: #795548;
}

.color-2 {
  background: #33b679;
}

.color-3 {
  background: #8e24aa;
}

.color-4 {
  background: #e67c73;
}

.color-5 {
  background: #f6bf26;
}

.color-6 {
  background: #f4511e;
}

.color-7 {
  background: #039be5;
}

.color-8 {
  background: #616161;
}

.color-9 {
  background: #3f51b5;
}

.color-10 {
  background: #0b8043;
}

.color-11 {
  background: #d50000;
}

/* History list */
.history-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.history-item:hover {
  border-color: var(--primary-500);
}

.history-item.current {
  border-color: var(--primary-500);
  background: rgba(59, 130, 246, 0.05);
}

.history-version {
  font-weight: 700;
  font-size: var(--font-size-sm);
}

.history-date {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: var(--spacing-3xl);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.5;
}

.empty-state h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.empty-state p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero h1 {
    font-size: var(--font-size-3xl);
  }

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

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

  .version-info {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .version-separator {
    width: 40px;
    height: 1px;
  }

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

  .step-item {
    flex-direction: column;
    gap: var(--spacing-md);
  }
}

/* --- Utility Classes --- */
.text-center {
  text-align: center;
}

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

.mt-md {
  margin-top: var(--spacing-md);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

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

.flex {
  display: flex;
}

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

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

/* =============================================
   CONFIGURATOR
   ============================================= */

.configurator-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: calc(80px + var(--spacing-xl)) var(--spacing-xl) var(--spacing-3xl);
}

/* Payment banner */
.payment-banner {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(139, 92, 246, 0.15));
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg) var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.payment-banner-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.payment-banner-content span {
  flex: 1;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* Top bar */
.config-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
}

.config-status {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border: 1px solid;
}

.config-status.status-ok {
  background: rgba(34, 197, 94, 0.1);
  border-color: rgba(34, 197, 94, 0.3);
  color: var(--success-400);
}

.config-status.status-warn {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
  color: var(--warning-400);
}

/* Table */
.config-table-wrap {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow-x: auto;
  margin-bottom: var(--spacing-xl);
}

.config-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
}

.config-table thead th {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.02);
}

.config-table tbody .config-row {
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition-fast);
}

.config-table tbody .config-row:last-child {
  border-bottom: none;
}

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

.config-table td {
  padding: var(--spacing-md) var(--spacing-lg);
  vertical-align: top;
}

.config-table tfoot td {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

/* Column widths */
.cell-local {
  width: 180px;
  min-width: 160px;
}

.cell-tag {
  width: 170px;
  min-width: 150px;
}

.cell-color {
  width: 170px;
  min-width: 150px;
}

.cell-remote {
  min-width: 160px;
}

.cell-vis {
  width: 140px;
  min-width: 130px;
}

.cell-opts {
  width: 180px;
  min-width: 160px;
}

.cell-del {
  width: 40px;
  text-align: center;
}

/* Local calendar cell */
.local-email {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
  word-break: break-all;
  margin-bottom: var(--spacing-xs);
}

.access-badge {
  font-size: var(--font-size-xs);
  color: var(--success-400);
}

/* Compact inputs */
.input-sm {
  padding: 0.3rem 0.5rem !important;
  font-size: var(--font-size-xs) !important;
  width: 100% !important;
}

.select-sm {
  padding: 0.3rem 0.5rem !important;
  font-size: var(--font-size-xs) !important;
  width: 100% !important;
}

/* Color picker dots */
.color-picker-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.color-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
  display: inline-block;
  flex-shrink: 0;
}

.color-dot:hover {
  transform: scale(1.3);
}

.color-dot.selected {
  border-color: white;
  box-shadow: 0 0 0 2px var(--primary-500);
  transform: scale(1.15);
}

.color-dot.color-default {
  background: repeating-linear-gradient(45deg, #555 0 3px, #333 3px 6px);
}

/* Remote chips in table */
.remote-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}

.remote-chip {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.chip-x {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 12px;
  line-height: 1;
  padding: 0;
  display: flex;
  align-items: center;
}

.chip-x:hover {
  color: var(--danger-400);
}

.add-remote-select {
  background: var(--bg-tertiary);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  padding: 2px 8px;
  cursor: pointer;
  font-family: var(--font-family);
}

.add-remote-select:focus {
  outline: none;
  border-color: var(--primary-500);
}

/* Checkbox labels in table */
.check-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  cursor: pointer;
  margin-bottom: 3px;
  white-space: nowrap;
}

.check-label input[type="checkbox"] {
  accent-color: var(--primary-500);
  width: 13px;
  height: 13px;
  cursor: pointer;
  flex-shrink: 0;
}

/* Add row button */
.btn-add-row {
  background: none;
  border: none;
  color: var(--primary-400);
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  cursor: pointer;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

.btn-add-row:hover {
  color: var(--primary-300);
}

/* Small button variants */
.btn-xs {
  padding: 2px 10px;
  font-size: var(--font-size-xs);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.btn-outline:hover {
  border-color: var(--primary-500);
  color: var(--primary-400);
}

.btn-danger-ghost {
  background: transparent;
  border: none;
  color: var(--text-muted);
}

.btn-danger-ghost:hover {
  color: var(--danger-400);
  background: rgba(239, 68, 68, 0.08);
}

/* Bottom actions bar */
.config-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) 0;
  gap: var(--spacing-sm);
}

/* History panel */
.history-panel {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  animation: fadeIn 0.2s ease;
}

.history-item {
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.history-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex: 1;
  flex-wrap: wrap;
}

.history-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.del-confirm {
  width: 100%;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) 0;
  font-size: var(--font-size-xs);
  color: var(--danger-400);
  border-top: 1px solid var(--border-color);
  margin-top: var(--spacing-xs);
}

/* Deploy progress panel */
.deploy-progress-wrap {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  animation: fadeIn 0.2s ease;
}

.deploy-progress-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.deploy-log {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  max-height: 300px;
  overflow-y: auto;
  font-family: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.deploy-log-item {
  padding: 3px 0;
  line-height: 1.5;
  border-left: 2px solid transparent;
  padding-left: var(--spacing-sm);
}

.deploy-log-item.log-ok {
  color: var(--success-400);
  border-color: var(--success-400);
  font-weight: 600;
}

.deploy-log-item.log-error {
  color: var(--danger-400);
  border-color: var(--danger-400);
}

.deploy-log-item.log-warn {
  color: var(--warning-400);
  border-color: var(--warning-400);
}
/* ========= Setup Wizard Card ========= */
.script-section {
  margin-top: var(--spacing-xl);
}

.wizard-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.wizard-card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.wizard-card-icon {
  font-size: 2.5rem;
  line-height: 1;
  flex-shrink: 0;
}

.wizard-card-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.wizard-card-account {
  font-size: 0.875rem;
  color: var(--primary);
  font-weight: 500;
  word-break: break-all;
}

.wizard-card-action {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  min-height: 64px;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

.wizard-spinner-wrap {
  text-align: center;
  padding: var(--spacing-md) 0;
}

.wizard-done-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.6rem 1.2rem;
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.35);
  border-radius: var(--radius-md);
  color: #22c55e;
  font-weight: 600;
  font-size: 1rem;
}

.wizard-error {
  color: var(--danger-400);
  font-size: 0.875rem;
  margin: 0 0 var(--spacing-sm) 0;
}

.wizard-details {
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-md);
  margin-top: var(--spacing-sm);
}

.wizard-details summary {
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--text-secondary);
  user-select: none;
  padding: 2px 0;
}

.wizard-details summary:hover { color: var(--text-primary); }

.wizard-details-body {
  margin-top: var(--spacing-sm);
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.wizard-nav {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-md);
}

/* --- Back to Top Button --- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-lg), 0 0 20px rgba(59, 130, 246, 0.2);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  transform: translateY(20px);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl), 0 0 30px rgba(59, 130, 246, 0.3);
}

.arrow-up {
  font-size: 1.5rem;
  font-weight: 700;
}

@media (max-width: 768px) {
  .back-to-top {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 40px;
    height: 40px;
  }
  
  .arrow-up {
    font-size: 1.25rem;
  }
}