:root{--bg: #f2f2f7;--card-bg: #ffffff;--input-bg: #f9f9fb;--text: #1c1c1e;--text-secondary: #8e8e93;--text-placeholder: #c7c7cc;--border: #e5e5ea;--accent: #007aff;--accent-bg: rgba(0, 122, 255, .08);--danger: #ff3b30;--danger-bg: rgba(255, 59, 48, .08);--success: #34c759;--tab-bar-bg: rgba(255, 255, 255, .88);--toast-bg: rgba(28, 28, 30, .92);--toast-border: rgba(255, 255, 255, .1);--shadow: 0 1px 3px rgba(0, 0, 0, .06);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .12);--overlay: rgba(0, 0, 0, .4);--btn-primary-text: #ffffff}@media(prefers-color-scheme:dark){:root{--bg: #000000;--card-bg: #1c1c1e;--input-bg: #2c2c2e;--text: #f5f5f7;--text-secondary: #98989d;--text-placeholder: #636366;--border: #38383a;--accent: #0a84ff;--accent-bg: rgba(10, 132, 255, .12);--danger: #ff453a;--danger-bg: rgba(255, 69, 58, .1);--success: #30d158;--tab-bar-bg: rgba(28, 28, 30, .88);--toast-bg: rgba(44, 44, 46, .94);--toast-border: rgba(255, 255, 255, .08);--shadow: 0 1px 3px rgba(0, 0, 0, .3);--shadow-lg: 0 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env(safe-area-inset-bottom))}}