:root{--bg-primary: #faf7f2;--bg-secondary: #f3ede3;--bg-card: #ffffff;--bg-card-hover: #fdfaf5;--bg-elevated: #f7f1e8;--border-subtle: #e8e0d3;--border-default: #d4c9b5;--text-primary: #2a2520;--text-secondary: #6b5d4f;--text-muted: #9a8d7b;--accent-primary: #a83232;--accent-primary-dim: #8b2a2a;--accent-primary-light: #c44e4e;--accent-secondary: #6b5d4f;--accent-danger: #b91c1c;--accent-success: #4a7c4a;--status-unread: #a83232;--status-read: #4a7c4a;--status-archived: #9a8d7b;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--shadow-card: 0 1px 3px rgba(60, 45, 30, .06), 0 1px 2px rgba(60, 45, 30, .04);--shadow-elevated: 0 4px 16px rgba(60, 45, 30, .08), 0 2px 6px rgba(60, 45, 30, .05);--shadow-hover: 0 8px 24px rgba(60, 45, 30, .12), 0 4px 8px rgba(60, 45, 30, .06);--font-body: "Noto Serif SC", "Songti SC", "SimSun", serif;--font-sans: "Noto Sans SC", -apple-system, sans-serif;--font-display: "Noto Serif SC", "Songti SC", serif;--font-mono: "JetBrains Mono", "Consolas", 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