:root{--bg: #0f1216;--panel: #171c22;--panel-2: #1d242c;--line: #2a323b;--text: #d7dee6;--muted: #8b97a4;--accent: #4a9eff;--accent-2: #33dd88;--danger: #ff3b30;--chip-bg: rgba(0, 0, 0, .45);--overlay-bg: rgba(10, 12, 15, .78);--radius: 8px;font-family:ui-sans-serif,system-ui,Segoe UI,Roboto,sans-serif}:root[data-theme=light]{--bg: #f4f6f9;--panel: #ffffff;--panel-2: #eef1f5;--line: #d6dce3;--text: #1b2430;--muted: #5f6b78;--accent: #2c7be5;--accent-2: #159a58;--danger: #d92d20;--chip-bg: rgba(255, 255, 255, .82);--overlay-bg: rgba(244, 246, 249, .82)}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--text)}#app{display:grid;grid-template-columns:320px 1fr;height:100vh}#sidebar{background:var(--panel);border-right:1px solid var(--line);overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:14px}.brand{display:flex;align-items:center;gap:10px}.brand .logo{font-size:26px;color:var(--accent)}.brand 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