:root{font-family:Inter,Segoe UI,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;color-scheme:dark;--page-bg: radial-gradient(circle at top, #101a32 0%, #03060e 60%);--sidebar-bg: rgba(5, 10, 20, .9);--surface: rgba(17, 24, 39, .8);--surface-alt: rgba(12, 17, 28, .95);--panel-border: rgba(255, 255, 255, .08);--input-bg: rgba(255, 255, 255, .05);--text-primary: #f4f6ff;--text-muted: #9aa6c2;--brand-color: #4dd2ff;--brand-strong: #6c7bff;--range-track: rgba(255, 255, 255, .12);--range-fill: linear-gradient(90deg, #4dd2ff, #7c5bff);--scroll-thumb: rgba(255, 255, 255, .3);--scroll-track: transparent;--shadow-strong: 0 25px 80px rgba(3, 6, 14, .85)}:root[data-theme=light]{color-scheme:light;--page-bg: radial-gradient(circle at top, #fefefe 0%, #e3ecfb 65%);--sidebar-bg: rgba(255, 255, 255, .85);--surface: rgba(243, 246, 255, .95);--surface-alt: rgba(235, 240, 253, .95);--panel-border: rgba(15, 23, 42, .12);--input-bg: rgba(15, 23, 42, .04);--text-primary: #0f172a;--text-muted: #54627b;--brand-color: #2563eb;--brand-strong: #0ea5e9;--range-track: rgba(15, 23, 42, .15);--range-fill: linear-gradient(90deg, #2563eb, #0ea5e9);--scroll-thumb: rgba(15, 23, 42, .3);--scroll-track: rgba(15, 23, 42, .08);--shadow-strong: 0 30px 60px rgba(15, 23, 42, .18)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--page-bg);color:var(--text-primary);overflow:hidden}#app{display:grid;grid-template-columns:minmax(340px,420px) 1fr;min-height:100vh;position:relative}.sidebar{position:relative;background:var(--sidebar-bg);border-right:1px solid var(--panel-border);box-shadow:var(--shadow-strong)}.sidebar-scroll{height:100vh;overflow-y:auto;overflow-x:hidden;padding:32px 32px 40px;display:flex;flex-direction:column;gap:32px}.sidebar-scroll{scrollbar-color:var(--scroll-thumb) var(--scroll-track)}.sidebar-scroll::-webkit-scrollbar{width:10px}.sidebar-scroll::-webkit-scrollbar-track{background:var(--scroll-track);border-radius:999px}.sidebar-scroll::-webkit-scrollbar-thumb{background:var(--scroll-thumb);border-radius:999px;border:2px solid transparent}.sidebar-header{position:relative}.branding-row{display:flex;align-items:center;justify-content:space-between;gap:16px}.branding-meta{display:flex;align-items:center;gap:14px}.logo-mark{width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,#4dd2ff33,#6c5bff33);display:grid;place-items:center;border:1px solid var(--panel-border)}.logo-mark img{width:34px;height:34px}.brand-title{margin:0;font-size:1.25rem;font-weight:600}.brand-tagline{margin:2px 0 0;font-size:.8rem;letter-spacing:.25em;text-transform:uppercase;color:var(--brand-color)}.settings-trigger{width:44px;height:44px;display:grid;place-items:center;cursor:pointer;background:transparent;border:none}.settings-trigger img{width:25px;height:25px}.settings-panel{position:absolute;top:8px;left:0;width:280px;padding:18px;border-radius:18px;border:1px solid var(--panel-border);background:var(--surface);box-shadow:var(--shadow-strong);opacity:0;pointer-events:none;transition:opacity .18s ease,transform .18s ease;z-index:1400}.settings-panel[data-open=true]{opacity:1;pointer-events:auto;transform:translateY(0) translate(50px)}.settings-panel__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.icon-button{width:34px;height:34px;border-radius:50%;border:1px solid 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14px;font-family:inherit}.dropdown{position:relative}.dropdown-trigger{width:100%;border-radius:12px;border:1px solid var(--panel-border);background:var(--input-bg);color:var(--text-primary);font-size:.95rem;padding:12px 14px;font-family:inherit;display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;transition:border-color .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease}.dropdown-trigger:focus-visible{outline:none;border-color:var(--brand-color);box-shadow:0 0 0 2px color-mix(in srgb,var(--brand-color) 30%,transparent)}.dropdown-caret{width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid var(--text-muted);transition:transform .2s ease}.dropdown[data-open=true] .dropdown-caret{transform:rotate(180deg)}.dropdown-list{position:absolute;left:0;right:0;top:calc(100% + 6px);margin:0;padding:6px 0;list-style:none;border-radius:12px;border:1px solid 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