// 黑白水墨 — Pure Ink
// 纯黑白灰，无彩色

// Backgrounds
$bg-primary: #fafafa;
$bg-secondary: #f0f0f0;
$bg-sidebar: #f5f5f5;
$bg-card: #ffffff;
$bg-card-hover: #fafafa;
$bg-input: #ffffff;

// Borders
$border-color: #e0e0e0;
$border-light: #ebebeb;

// Accent
$accent-primary: #333333;
$accent-hover: #1a1a1a;
$accent-muted: #888888;

// Text
$text-primary: #1a1a1a;
$text-secondary: #666666;
$text-muted: #999999;

// Status
$success: #2e7d32;
$error: #c62828;
$warning: #f57f17;
$info: $accent-primary;

// Message bubbles
$msg-user-bg: #e8e8e8;
$msg-assistant-bg: #f5f5f5;
$msg-system-border: #bdbdbd;

// Code
$code-bg: #f4f4f4;

// Typography
$font-ui: 'Inter', system-ui, -apple-system, sans-serif;
$font-code: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

// Layout
$sidebar-width: 240px;
$sidebar-collapsed-width: 64px;
$header-height: 56px;

// Radius
$radius-sm: 6px;
$radius-md: 10px;
$radius-lg: 14px;

// Transition
$transition-fast: 0.15s ease;
$transition-normal: 0.25s ease;