:root{--bg: #FAF7F2;--surface: #FFFFFF;--surface-muted: #F0EBE0;--border: #E8E2D0;--border-strong: #D9D1BA;--text: #1C1A17;--text-muted: #6B6357;--text-faint: #9A9286;--accent: #3A4C6B;--accent-hover: #2A3A56;--accent-soft: rgba(58, 76, 107, .08);--danger: #9B2C2C;--tint: rgba(0, 0, 0, .04);--tint-strong: rgba(0, 0, 0, .08);--reader-header-bg: rgba(245, 241, 232, .92);--drop-overlay-bg: rgba(28, 26, 23, .18);--progress-track: rgba(28, 26, 23, .4);--progress-fill: #F0A93E;--tag-bg: #D85940;--tag-text: #FFFFFF;--overlay-button-bg: rgba(0, 0, 0, .65);--shadow-sm: 0 1px 2px rgba(28, 26, 23, .04);--shadow: 0 1px 2px rgba(28, 26, 23, .04), 0 4px 12px rgba(28, 26, 23, .06);--radius-sm: 4px;--radius: 8px;--radius-lg: 12px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;--font-serif: "Charter", "Iowan Old Style", "Apple Garamond", Baskerville, "Times New Roman", 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