/* ============================================
   OpenClaw Design System
   全局设计变量 & 基础样式
   ============================================ */

/* ---------- Design Tokens ---------- */
:root {
  /* Colors - Primary */
  --color-primary: #6366f1;
  --color-primary-light: #818cf8;
  --color-primary-dark: #4f46e5;
  --color-secondary: #8b5cf6;
  --color-secondary-light: #a78bfa;
  --color-accent: #06b6d4;
  --color-accent-light: #22d3ee;

  /* Colors - Background */
  --bg-primary: #0a0a1a;
  --bg-secondary: #0f0f23;
  --bg-tertiary: #1a1a2e;
  --bg-card: rgba(26, 26, 46, 0.7);
  --bg-card-hover: rgba(30, 30, 55, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-hover: rgba(255, 255, 255, 0.06);

  /* Colors - Text */
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #818cf8;
  --text-white: #ffffff;

  /* Colors - Border */
  --border-color: rgba(99, 102, 241, 0.15);
  --border-color-hover: rgba(99, 102, 241, 0.35);
  --border-glass: rgba(255, 255, 255, 0.08);

  /* Colors - Status */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --gradient-hero: linear-gradient(135deg, #0a0a1a 0%, #1a1033 50%, #0f0f23 100%);
  --gradient-card: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(139, 92, 246, 0.04) 100%);
  --gradient-glow: radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.15) 0%, transparent 60%);
  --gradient-text: linear-gradient(135deg, #818cf8, #a78bfa, #22d3ee);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.2);
  --shadow-glow-lg: 0 0 40px rgba(99, 102, 241, 0.3);

  /* Typography */
  --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  --leading-tight: 1.25;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  /* Spacing */
  --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;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;
  --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --sidebar-width: 280px;
  --header-height: 64px;
  --max-width: 1200px;
  --content-max-width: 860px;

  /* Z-Index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;
}

/* ---------- Light Theme ---------- */
[data-theme="light"] {
  /* Colors - Primary (slightly deeper for contrast on white) */
  --color-primary: #4f46e5;
  --color-primary-light: #6366f1;
  --color-primary-dark: #4338ca;
  --color-secondary: #7c3aed;
  --color-secondary-light: #8b5cf6;
  --color-accent: #0891b2;
  --color-accent-light: #06b6d4;

  /* Colors - Background */
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-tertiary: #e2e8f0;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  --bg-glass: rgba(0, 0, 0, 0.02);
  --bg-glass-hover: rgba(0, 0, 0, 0.05);

  /* Colors - Text */
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-accent: #6366f1;
  --text-white: #0f172a;

  /* Colors - Border */
  --border-color: rgba(99, 102, 241, 0.2);
  --border-color-hover: rgba(99, 102, 241, 0.4);
  --border-glass: rgba(0, 0, 0, 0.08);

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #f8fafc 0%, #ede9fe 50%, #f1f5f9 100%);
  --gradient-card: linear-gradient(135deg, rgba(99, 102, 241, 0.06) 0%, rgba(139, 92, 246, 0.03) 100%);
  --gradient-glow: radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.08) 0%, transparent 60%);
  --gradient-text: linear-gradient(135deg, #4f46e5, #7c3aed, #0891b2);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.12);
  --shadow-glow-lg: 0 0 40px rgba(99, 102, 241, 0.15);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
  color: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

ul, ol {
  list-style: none;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

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

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

/* ---------- Utility Classes ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: all var(--transition-base);
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-white);
  box-shadow: 0 2px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.5);
  transform: translateY(-1px);
}

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

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

.btn-ghost {
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-4);
}

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

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-primary {
  background: rgba(99, 102, 241, 0.15);
  color: var(--color-primary-light);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-warning);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ---------- Animations ---------- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
  }
  50% {
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.4);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.animate-fade-in {
  animation: fadeIn 0.5s ease forwards;
}

.animate-fade-in-up {
  animation: fadeInUp 0.5s ease forwards;
}

.animate-slide-in-left {
  animation: slideInLeft 0.4s ease forwards;
}

/* Staggered animations */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }

/* Loading skeleton */
.skeleton {
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-card) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

/* ---------- Typography (for markdown content) ---------- */
.prose {
  color: var(--text-primary);
  line-height: var(--leading-relaxed);
  max-width: var(--content-max-width);
}

.prose h1 {
  font-size: var(--text-4xl);
  font-weight: 800;
  margin-bottom: var(--space-8);
  margin-top: var(--space-12);
  line-height: var(--leading-tight);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.prose h1:first-child {
  margin-top: 0;
}

.prose h2 {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  color: var(--text-white);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-color);
}

.prose h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.prose h4 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
  color: var(--text-secondary);
}

.prose p {
  margin-bottom: var(--space-4);
}

.prose strong {
  color: var(--text-white);
  font-weight: 600;
}

.prose em {
  color: var(--text-accent);
  font-style: italic;
}

.prose ul, .prose ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.prose ul {
  list-style: disc;
}

.prose ol {
  list-style: decimal;
}

.prose li {
  margin-bottom: var(--space-2);
}

.prose li::marker {
  color: var(--color-primary-light);
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: rgba(99, 102, 241, 0.1);
  color: var(--color-accent-light);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(99, 102, 241, 0.15);
}

.prose pre {
  margin-bottom: var(--space-6);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary) !important;
}

.prose pre code {
  display: block;
  padding: var(--space-5);
  overflow-x: auto;
  font-size: var(--text-sm);
  line-height: 1.7;
  background: none;
  border: none;
  color: var(--text-primary);
}

.prose blockquote {
  margin: var(--space-6) 0;
  padding: var(--space-4) var(--space-6);
  border-left: 3px solid var(--color-primary);
  background: rgba(99, 102, 241, 0.05);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-secondary);
}

.prose blockquote p:last-child {
  margin-bottom: 0;
}

.prose table {
  width: 100%;
  margin-bottom: var(--space-6);
  border-collapse: collapse;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.prose th {
  background: var(--bg-tertiary);
  color: var(--text-white);
  font-weight: 600;
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-color);
}

.prose td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-glass);
}

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

.prose img {
  border-radius: var(--radius-md);
  margin: var(--space-6) 0;
  border: 1px solid var(--border-color);
}

.prose hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: var(--space-10) 0;
}

.prose a {
  color: var(--color-primary-light);
  text-decoration: underline;
  text-decoration-color: rgba(99, 102, 241, 0.3);
  text-underline-offset: 2px;
  transition: all var(--transition-fast);
}

.prose a:hover {
  color: var(--color-accent-light);
  text-decoration-color: var(--color-accent-light);
}

/* Alert boxes in markdown (> [!NOTE], etc) */
.prose .alert {
  padding: var(--space-4) var(--space-5);
  margin: var(--space-6) 0;
  border-radius: var(--radius-md);
  border-left: 3px solid;
  display: flex;
  gap: var(--space-3);
}

.prose .alert-note {
  background: rgba(59, 130, 246, 0.08);
  border-color: var(--color-info);
}

.prose .alert-tip {
  background: rgba(16, 185, 129, 0.08);
  border-color: var(--color-success);
}

.prose .alert-warning {
  background: rgba(245, 158, 11, 0.08);
  border-color: var(--color-warning);
}

.prose .alert-caution {
  background: rgba(239, 68, 68, 0.08);
  border-color: var(--color-error);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  :root {
    --sidebar-width: 100%;
    --header-height: 56px;
  }

  .container {
    padding: 0 var(--space-4);
  }

  .prose h1 {
    font-size: var(--text-3xl);
  }

  .prose h2 {
    font-size: var(--text-xl);
  }
}

/* ---------- Light Theme Prose Overrides ---------- */
[data-theme="light"] .prose code {
  background: rgba(99, 102, 241, 0.08);
  color: #6d28d9;
  border-color: rgba(99, 102, 241, 0.12);
}

[data-theme="light"] .prose pre {
  background: #f8fafc !important;
  border-color: #e2e8f0;
}

[data-theme="light"] .prose pre code {
  color: #334155;
}

[data-theme="light"] .prose blockquote {
  background: rgba(99, 102, 241, 0.04);
  border-left-color: #6366f1;
}

[data-theme="light"] .prose th {
  background: #f1f5f9;
}

[data-theme="light"] .prose .alert-note {
  background: rgba(59, 130, 246, 0.06);
}

[data-theme="light"] .prose .alert-tip {
  background: rgba(16, 185, 129, 0.06);
}

[data-theme="light"] .prose .alert-warning {
  background: rgba(245, 158, 11, 0.06);
}

[data-theme="light"] .prose .alert-caution {
  background: rgba(239, 68, 68, 0.06);
}

[data-theme="light"] .skeleton {
  background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
  background-size: 200% 100%;
}