/* FlowLegal Design System - Global Styles */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Core Brand Gradient */
  --flow-blue: #7293ec;
  --flow-purple: #9c62cc;
  --flow-coral: #f25572;
  --flow-orange: #ff9a55;
  
  /* Background System - Dark Mode (default) */
  --bg-void: #0a0a0f;
  --bg-surface: #111118;
  --bg-elevated: #1a1a24;
  --bg-overlay: rgba(255, 255, 255, 0.03);
  
  /* Text Hierarchy */
  --text-primary: rgba(255, 255, 255, 0.95);
  --text-secondary: rgba(255, 255, 255, 0.70);
  --text-tertiary: rgba(255, 255, 255, 0.40);
  --text-muted: rgba(255, 255, 255, 0.20);
  
  /* Borders & Dividers */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-default: rgba(255, 255, 255, 0.10);
  --border-emphasis: rgba(255, 255, 255, 0.15);
  
  /* Status Colors */
  --status-success: #10b981;
  --status-warning: #f59e0b;
  --status-error: #ef4444;
  --status-info: #7293ec;
  
  /* Interactive Element Colors */
  --input-bg: rgba(255, 255, 255, 0.04);
  --input-bg-focus: rgba(255, 255, 255, 0.06);
  --input-border: rgba(255, 255, 255, 0.08);
  --input-text: white;
  --input-placeholder: rgba(255, 255, 255, 0.3);
  
  /* Component-specific */
  --nav-bg: rgba(10, 10, 15, 0.8);
  --card-bg: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
  --card-border: rgba(255, 255, 255, 0.06);
  --modal-bg: #111118;
  --dropdown-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --hover-bg: rgba(255, 255, 255, 0.04);
  --hover-bg-strong: rgba(255, 255, 255, 0.06);
  
  /* Table colors */
  --table-header-text: rgba(255, 255, 255, 0.4);
  --table-border: rgba(255, 255, 255, 0.06);
  --table-row-border: rgba(255, 255, 255, 0.04);
  --table-cell-text: rgba(255, 255, 255, 0.8);
  --table-hover-bg: rgba(255, 255, 255, 0.02);
  
  /* Markdown colors */
  --markdown-text: rgba(255, 255, 255, 0.85);
  --markdown-strong: rgba(255, 255, 255, 0.95);
  --markdown-code-bg: rgba(255, 255, 255, 0.08);
  --markdown-pre-bg: rgba(0, 0, 0, 0.4);
  --markdown-pre-border: rgba(255, 255, 255, 0.06);
  --markdown-blockquote: rgba(255, 255, 255, 0.7);
  --markdown-hr: rgba(255, 255, 255, 0.1);
  
  /* Chat colors */
  --bubble-assistant-bg: rgba(255, 255, 255, 0.06);
  --bubble-assistant-border: rgba(255, 255, 255, 0.08);
  --typing-dot: rgba(255, 255, 255, 0.4);
  --loading-border: rgba(255, 255, 255, 0.3);
  
  /* Glow colors for ambient background */
  --glow-blue: rgba(114, 147, 236, 0.10);
  --glow-purple: rgba(156, 98, 204, 0.10);
  --glow-coral: rgba(242, 85, 114, 0.08);
  --grid-line: rgba(255, 255, 255, 0.1);
  --grid-opacity: 0.02;
  
  /* Accent colors for graph editor nodes */
  --accent-primary: #6366f1;
  --accent-primary-light: #a5b4fc;
  --accent-secondary: #8b5cf6;
  --accent-pink: #ec4899;
  --accent-pink-light: #f9a8d4;
  --accent-success: #22c55e;
  --accent-warning: #f59e0b;
  
  /* Vue Flow graph background */
  --graph-bg-pattern: #333;
  
  /* Vue Flow overrides */
  --vf-node-bg: var(--bg-elevated);
  --vf-node-text: var(--text-primary);
  --vf-connection-path: var(--border-default);
  --vf-handle: var(--accent-primary);
  
  /* Badge backgrounds - dark mode */
  --badge-blue-bg: rgba(114, 147, 236, 0.15);
  --badge-blue-border: rgba(114, 147, 236, 0.3);
  --badge-green-bg: rgba(16, 185, 129, 0.15);
  --badge-green-border: rgba(16, 185, 129, 0.3);
  --badge-red-bg: rgba(239, 68, 68, 0.15);
  --badge-red-border: rgba(239, 68, 68, 0.3);
  --badge-orange-bg: rgba(245, 158, 11, 0.15);
  --badge-orange-border: rgba(245, 158, 11, 0.3);
  
  /* Fonts */
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* Light Mode */
[data-theme="light"] {
  /* Background System */
  --bg-void: #f5f7fa;
  --bg-surface: #ffffff;
  --bg-elevated: #ffffff;
  --bg-overlay: rgba(0, 0, 0, 0.02);
  
  /* Text Hierarchy */
  --text-primary: rgba(0, 0, 0, 0.90);
  --text-secondary: rgba(0, 0, 0, 0.65);
  --text-tertiary: rgba(0, 0, 0, 0.45);
  --text-muted: rgba(0, 0, 0, 0.25);
  
  /* Borders & Dividers */
  --border-subtle: rgba(0, 0, 0, 0.06);
  --border-default: rgba(0, 0, 0, 0.10);
  --border-emphasis: rgba(0, 0, 0, 0.15);
  
  /* Interactive Element Colors */
  --input-bg: rgba(0, 0, 0, 0.03);
  --input-bg-focus: rgba(0, 0, 0, 0.05);
  --input-border: rgba(0, 0, 0, 0.12);
  --input-text: #1a1a2e;
  --input-placeholder: rgba(0, 0, 0, 0.5);
  
  /* Component-specific */
  --nav-bg: rgba(255, 255, 255, 0.9);
  --card-bg: linear-gradient(135deg, rgba(255,255,255,1) 0%, rgba(248,249,250,1) 100%);
  --card-border: rgba(0, 0, 0, 0.08);
  --modal-bg: #ffffff;
  --dropdown-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  --hover-bg: rgba(0, 0, 0, 0.04);
  --hover-bg-strong: rgba(0, 0, 0, 0.06);
  
  /* Table colors */
  --table-header-text: rgba(0, 0, 0, 0.5);
  --table-border: rgba(0, 0, 0, 0.08);
  --table-row-border: rgba(0, 0, 0, 0.05);
  --table-cell-text: rgba(0, 0, 0, 0.75);
  --table-hover-bg: rgba(0, 0, 0, 0.02);
  
  /* Markdown colors */
  --markdown-text: rgba(0, 0, 0, 0.8);
  --markdown-strong: rgba(0, 0, 0, 0.9);
  --markdown-code-bg: rgba(0, 0, 0, 0.06);
  --markdown-pre-bg: rgba(0, 0, 0, 0.03);
  --markdown-pre-border: rgba(0, 0, 0, 0.08);
  --markdown-blockquote: rgba(0, 0, 0, 0.6);
  --markdown-hr: rgba(0, 0, 0, 0.1);
  
  /* Chat colors */
  --bubble-assistant-bg: rgba(0, 0, 0, 0.04);
  --bubble-assistant-border: rgba(0, 0, 0, 0.08);
  --typing-dot: rgba(0, 0, 0, 0.3);
  --loading-border: rgba(0, 0, 0, 0.2);
  
  /* Glow colors - much subtler in light mode */
  --glow-blue: rgba(114, 147, 236, 0.08);
  --glow-purple: rgba(156, 98, 204, 0.06);
  --glow-coral: rgba(242, 85, 114, 0.05);
  --grid-line: rgba(0, 0, 0, 0.06);
  --grid-opacity: 0.4;
  
  /* Accent colors for graph editor nodes - same in light mode */
  --accent-primary: #6366f1;
  --accent-primary-light: #818cf8;
  --accent-secondary: #8b5cf6;
  --accent-pink: #ec4899;
  --accent-pink-light: #f472b6;
  --accent-success: #22c55e;
  --accent-warning: #f59e0b;
  
  /* Vue Flow graph background - lighter pattern for light mode */
  --graph-bg-pattern: #d1d5db;
  
  /* Vue Flow overrides */
  --vf-node-bg: var(--bg-elevated);
  --vf-node-text: var(--text-primary);
  --vf-connection-path: var(--border-default);
  --vf-handle: var(--accent-primary);
  
  /* Badge backgrounds - light mode */
  --badge-blue-bg: rgba(114, 147, 236, 0.1);
  --badge-blue-border: rgba(114, 147, 236, 0.2);
  --badge-green-bg: rgba(16, 185, 129, 0.1);
  --badge-green-border: rgba(16, 185, 129, 0.2);
  --badge-red-bg: rgba(239, 68, 68, 0.1);
  --badge-red-border: rgba(239, 68, 68, 0.2);
  --badge-orange-bg: rgba(245, 158, 11, 0.1);
  --badge-orange-border: rgba(245, 158, 11, 0.2);
}

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

body {
  font-family: var(--font-body);
  background: var(--bg-void);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}

/* Gradient Utilities */
.gradient-brand {
  background: linear-gradient(
    135deg,
    #7293ec 0%,
    #9c62cc 35%,
    #f25572 70%,
    #ff9a55 100%
  );
}

.gradient-text {
  background: linear-gradient(135deg, #7293ec 0%, #9c62cc 35%, #f25572 70%, #ff9a55 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Ambient Background */
.ambient-background {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(150px);
}

.glow-blue {
  top: 0;
  left: 25%;
  width: 600px;
  height: 600px;
  background: var(--glow-blue);
}

.glow-purple {
  top: 33%;
  right: 25%;
  width: 500px;
  height: 500px;
  background: var(--glow-purple);
}

.glow-coral {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 400px;
  background: var(--glow-coral);
}

.grid-overlay {
  position: absolute;
  inset: 0;
  opacity: var(--grid-opacity);
  background-image: 
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(12px);
  position: relative;
  z-index: 50;
  background: var(--nav-bg);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.nav-logo-img {
  height: 40px;
  width: auto;
  max-width: 300px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* User Dropdown */
.nav-user-dropdown {
  position: relative;
  padding-left: 1.5rem;
  border-left: 1px solid var(--border-subtle);
}

.nav-user-button {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem 0.75rem;
  border-radius: 0.75rem;
  transition: all 0.2s ease;
  color: var(--text-secondary);
  font-size: 14px;
  font-family: var(--font-body);
}

.nav-user-button:hover {
  background: var(--hover-bg);
  color: var(--text-primary);
}

.nav-user-name {
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-dropdown-arrow {
  transition: transform 0.2s ease;
  opacity: 0.6;
}

.nav-user-button:hover .nav-dropdown-arrow {
  opacity: 1;
}

.nav-user-dropdown:has(.nav-dropdown-menu.show) .nav-dropdown-arrow {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 200px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: 1rem;
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s ease;
  z-index: 100;
  box-shadow: var(--dropdown-shadow);
}

.nav-dropdown-menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.15s ease;
}

.nav-dropdown-item:hover {
  background: var(--hover-bg-strong);
  color: var(--text-primary);
}

.nav-dropdown-item svg {
  opacity: 0.7;
  flex-shrink: 0;
}

.nav-dropdown-item:hover svg {
  opacity: 1;
}

.nav-dropdown-item-danger {
  color: var(--status-error);
}

.nav-dropdown-item-danger:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--status-error);
}

.nav-dropdown-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 0.5rem 0;
}

.nav-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--flow-purple), var(--flow-coral));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: white;
  text-transform: uppercase;
  flex-shrink: 0;
}

/* Main Content */
.main-content {
  position: relative;
  z-index: 10;
  padding: 2rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Hero Section */
.hero-container {
  padding: 2rem;
  border-radius: 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(20px);
  margin-bottom: 2rem;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.pulse-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--flow-blue);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.1); }
}

.hero-text {
  font-size: 1.75rem;
  font-weight: 300;
  line-height: 1.5;
  color: var(--text-primary);
}

.cursor {
  display: inline-block;
  width: 3px;
  height: 1.5em;
  margin-left: 4px;
  background: linear-gradient(180deg, var(--flow-blue), var(--flow-coral));
  vertical-align: text-bottom;
  opacity: 0;
  transition: opacity 0.1s;
}

.cursor.visible {
  opacity: 1;
}

/* Chat Messages */
.message-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 1.25rem;
}

.message-row.message-user {
  /* User messages on left like assistant */
}

.message-content {
  display: flex;
  flex-direction: column;
  min-width: 0;
  max-width: 70%;
}

.message-row.message-user .message-content {
  align-items: flex-start;
}

.message-row.message-assistant .message-content {
  align-items: flex-start;
}

/* Chat Avatars */
.message-row .avatar {
  width: 36px;
  height: 36px;
  min-width: 36px;
  min-height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.message-row .avatar-assistant {
  background: linear-gradient(135deg, var(--flow-blue), var(--flow-purple));
  color: white;
}

.message-row .avatar-assistant svg {
  width: 20px;
  height: 20px;
}

.message-row .avatar-user {
  background: linear-gradient(135deg, var(--flow-coral), var(--flow-orange));
  font-size: 12px;
  font-weight: 700;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Chat Bubbles */
.message-row.message-assistant .bubble {
  background: var(--bubble-assistant-bg);
  border: 1px solid var(--bubble-assistant-border);
  border-radius: 1rem;
  border-top-left-radius: 4px;
  padding: 1rem 1.25rem;
  color: var(--text-primary);
}

.message-row.message-user .bubble {
  background: linear-gradient(135deg, var(--flow-blue), var(--flow-purple));
  border-radius: 1rem;
  border-top-left-radius: 4px;
  padding: 1rem 1.25rem;
  color: white;
}

/* Timestamp */
.message-row .timestamp {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 6px;
}

.message-row.message-user .timestamp {
  text-align: left;
}

/* Typing Indicator */
.typing-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
}

.typing-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--typing-dot);
  animation: typing-bounce 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(1) { animation-delay: 0ms; }
.typing-dot:nth-child(2) { animation-delay: 150ms; }
.typing-dot:nth-child(3) { animation-delay: 300ms; }

@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-6px); }
}

/* Chat Input */
.chat-input-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.chat-input {
  flex: 1;
  padding: 0.875rem 1.25rem;
  border-radius: 1rem;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-primary);
  font-size: 15px;
  outline: none;
  transition: all 0.2s ease;
}

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

.chat-input:focus {
  background: var(--input-bg-focus);
  border-color: rgba(114, 147, 236, 0.5);
}

.send-button {
  padding: 0.875rem 1.5rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, var(--flow-blue), var(--flow-purple), var(--flow-coral));
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  color: white;
  font-weight: 500;
  font-size: 15px;
}

.send-button:hover:not(:disabled) {
  opacity: 0.9;
  transform: translateY(-1px);
}

.send-button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Quick Actions */
.quick-actions {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 4px;
  margin-top: 0.75rem;
}

.quick-action-chip {
  padding: 0.5rem 1rem;
  border-radius: 0.75rem;
  background: var(--bg-overlay);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 14px;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.2s ease;
}

.quick-action-chip:hover {
  background: var(--hover-bg-strong);
  border-color: var(--border-default);
  color: var(--text-primary);
}

/* Cards */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 1.5rem;
  backdrop-filter: blur(20px);
  padding: 2rem;
}

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, #7293ec, #9c62cc, #f25572);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-block;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-secondary);
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-block;
}

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

/* Form Inputs */
input, textarea, select {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 0.75rem;
  padding: 0.875rem 1rem;
  color: var(--input-text);
  font-size: 15px;
  transition: all 0.2s ease;
  width: 100%;
  font-family: var(--font-body);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  background: var(--input-bg-focus);
  border-color: rgba(114, 147, 236, 0.5);
}

input::placeholder {
  color: var(--input-placeholder);
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 14px;
}

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
}

.table th {
  text-align: left;
  padding: 1rem;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--table-header-text);
  border-bottom: 1px solid var(--table-border);
}

.table td {
  padding: 1rem;
  border-bottom: 1px solid var(--table-row-border);
  color: var(--table-cell-text);
}

.table tr:hover td {
  background: var(--table-hover-bg);
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal {
  background: var(--modal-bg);
  border: 1px solid var(--border-default);
  border-radius: 1.5rem;
  padding: 2rem;
  max-width: 500px;
  width: 90%;
  animation: scale-in 0.3s ease-out;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.375rem 0.75rem;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 500;
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
}

.badge-error {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.badge-info {
  background: rgba(114, 147, 236, 0.15);
  color: #7293ec;
}

/* Messages */
.messages {
  list-style: none;
  padding: 0;
  margin-bottom: 1rem;
}

.messages li {
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
  border-radius: 0.75rem;
}

.messages .error {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.messages .success {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.messages .info {
  background: rgba(114, 147, 236, 0.15);
  color: #7293ec;
  border: 1px solid rgba(114, 147, 236, 0.3);
}

/* Animations */
@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

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

.animate-fade-in {
  animation: fade-in-up 0.4s ease-out forwards;
}

.animate-scale-in {
  animation: scale-in 0.3s ease-out forwards;
}

.animate-slide-in {
  animation: slide-in-right 0.4s ease-out forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0ms; }
.stagger-children > *:nth-child(2) { animation-delay: 50ms; }
.stagger-children > *:nth-child(3) { animation-delay: 100ms; }
.stagger-children > *:nth-child(4) { animation-delay: 150ms; }
.stagger-children > *:nth-child(5) { animation-delay: 200ms; }

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

/* Loading spinner */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--loading-border);
  border-radius: 50%;
  border-top-color: var(--text-primary);
  animation: spin 1s ease-in-out infinite;
}

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

/* Error message */
.error-message {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  margin-bottom: 1rem;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Markdown content styles for chat messages */
.markdown-content {
  line-height: 1.6;
}

.markdown-content p {
  margin: 0 0 0.75em 0;
}

.markdown-content p:last-child {
  margin-bottom: 0;
}

.markdown-content ul,
.markdown-content ol {
  margin: 0.5em 0;
  padding-left: 1.5em;
}

.markdown-content li {
  margin: 0.25em 0;
  color: var(--markdown-text);
}

.markdown-content strong {
  font-weight: 600;
  color: var(--markdown-strong);
}

.markdown-content em {
  font-style: italic;
  color: var(--markdown-text);
}

.markdown-content code {
  background: var(--markdown-code-bg);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--flow-blue);
}

.markdown-content pre {
  background: var(--markdown-pre-bg);
  border: 1px solid var(--markdown-pre-border);
  padding: 1em;
  border-radius: 0.75rem;
  overflow-x: auto;
  margin: 0.75em 0;
}

.markdown-content pre code {
  background: none;
  padding: 0;
  color: var(--markdown-text);
}

.markdown-content a {
  color: var(--flow-blue) !important;
  -webkit-text-fill-color: var(--flow-blue) !important;
  background: none !important;
  text-decoration: underline;
  text-decoration-color: rgba(114, 147, 236, 0.4);
  text-underline-offset: 2px;
  transition: all 0.2s ease;
}

.markdown-content a:hover {
  color: var(--flow-purple) !important;
  -webkit-text-fill-color: var(--flow-purple) !important;
  text-decoration-color: var(--flow-purple);
}

.markdown-content blockquote {
  border-left: 3px solid var(--flow-purple);
  margin: 0.75em 0;
  padding-left: 1em;
  color: var(--markdown-blockquote);
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4 {
  margin: 1em 0 0.5em 0;
  font-weight: 600;
  color: var(--markdown-strong);
}

.markdown-content h1:first-child,
.markdown-content h2:first-child,
.markdown-content h3:first-child,
.markdown-content h4:first-child {
  margin-top: 0;
}

.markdown-content hr {
  border: none;
  border-top: 1px solid var(--markdown-hr);
  margin: 1em 0;
}

/* Theme Toggle Button */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 0.75rem;
  background: transparent;
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--text-secondary);
  padding: 0;
}

.theme-toggle:hover {
  background: var(--hover-bg);
  border-color: var(--border-default);
  color: var(--text-primary);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  transition: transform 0.3s ease;
}

.theme-toggle:hover svg {
  transform: rotate(15deg);
}

/* Theme icon visibility - sun shown in dark mode, moon shown in light mode */
.theme-icon-sun {
  display: block;
}
.theme-icon-moon {
  display: none;
}
[data-theme="light"] .theme-icon-sun {
  display: none;
}
[data-theme="light"] .theme-icon-moon {
  display: block;
}

/* Theme transition - smooth color changes */
html.theme-transition,
html.theme-transition *,
html.theme-transition *::before,
html.theme-transition *::after {
  transition: background-color 0.3s ease, 
              border-color 0.3s ease, 
              color 0.3s ease,
              box-shadow 0.3s ease !important;
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  html.theme-transition,
  html.theme-transition *,
  html.theme-transition *::before,
  html.theme-transition *::after {
    transition: none !important;
  }
}

/* Light mode logo adjustment */
[data-theme="light"] .nav-logo-img {
  filter: brightness(0.2);
}