:root{color-scheme:light dark;--bg: #ffffff;--text: #111111;--muted: #666666;--nav-bg: #ffffff;--nav-border: #e6e6e6;--link-bg-active: #111111;--link-color-active: #ffffff;--button-bg: #333333;--button-color: #ffffff;--overlay: rgba(0,0,0,.65);--shadow-strong: 0 4px 24px rgba(0,0,0,.12);--shadow-weak: 0 2px 8px rgba(0,0,0,.08);--btn-accept: #10b981;--btn-warning: #eab308;--btn-danger: #e53e3e;--card-bg: #f4f4f4;--row-bg: #ffffff;--row-alt: #f7f7f7;--row-selected: var(--card-bg);transition:background-color .2s ease,color .2s ease}.dark{--bg: #0b0b0b;--text: #e9e9e9;--muted: #aaaaaa;--nav-bg: #111111;--nav-border: #222222;--link-bg-active: #222222;--link-color-active: #ffffff;--button-bg: #222222;--button-color: #ffffff;--card-bg: #181818;--row-bg: #0b0b0b;--row-alt: #121212;--row-selected: var(--card-bg);--overlay: rgba(0,0,0,.6);--shadow-strong: 0 6px 32px rgba(0,0,0,.6);--shadow-weak: 0 4px 12px rgba(0,0,0,.5);--btn-accept: #059669;--btn-warning: #fbbf24;--btn-danger: #ef4444}*{box-sizing:border-box}body{margin:0;font-family:system-ui,Segoe UI,Roboto,Arial,sans-serif;line-height:1.4;background:var(--bg);color:var(--text);transition:background-color .2s ease,color .2s ease}button,input,textarea{font:inherit}a{color:inherit}.container{padding:24px}.card{background:var(--card-bg);padding:16px;border-radius:8px}