:root,[data-theme=dark]{--bg: #0b0d10;--surface: #14181d;--surface-2: #1c2128;--surface-3: #262d36;--border: #2c343d;--text: #e6edf3;--text-dim: #9aa7b2;--text-faint: #8b96a2;--accent: #4fb0ff;--accent-dim: #2a6da3;--ok: #46d39a;--warn: #f0b429;--danger: #ff5a5f;--live: #ff3b30;--shadow: 0 4px 24px rgba(0, 0, 0, .45)}[data-theme=night]{--bg: #0a0303;--surface: #1a0808;--surface-2: #240a0a;--surface-3: #320e0e;--border: #4a1414;--text: #ffd9d3;--text-dim: #c98a82;--text-faint: #ac766f;--accent: #ff7a6b;--accent-dim: #a3402f;--ok: #d39a46;--warn: #f0b429;--danger: #ff5a5f;--live: #ff3b30;--shadow: 0 4px 24px rgba(0, 0, 0, .6)}:root{--radius: 10px;--radius-sm: 6px;--tap: 48px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--mono: "SF Mono", ui-monospace, "Roboto Mono", Menlo, Consolas, 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reduce){.skip-link{transition:none}}.rail{background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto}.rail-brand{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-4) var(--space-4) var(--space-3);font-size:20px;font-weight:700}.rail-logo{color:var(--accent)}.rail-title{letter-spacing:.04em}.rail-list{list-style:none;margin:0;padding:var(--space-2);display:flex;flex-direction:column;gap:2px}.rail-section{padding:var(--space-4) var(--space-3) var(--space-1);font-size:11px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--text-faint);-webkit-user-select:none;user-select:none}.rail-link{display:flex;align-items:center;gap:var(--space-3);min-height:var(--tap);padding:0 var(--space-3);border-radius:var(--radius-sm);color:var(--text-dim);font-size:14px;position:relative;transition:background .12s ease,color .12s ease}.rail-link:hover{background:var(--surface-2);color:var(--text)}.rail-link.active{background:var(--accent-dim);color:#fff;font-weight:500}.rail-link.active:before{content:"";position:absolute;left:-8px;top:10px;bottom:10px;width:3px;border-radius:0 2px 2px 0;background:var(--accent)}.rail-icon{width:16px;height:16px;flex:none;opacity:.85}.rail-link.active .rail-icon{opacity:1}.main{display:flex;flex-direction:column;min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;height:56px;padding:0 var(--space-5);border-bottom:1px solid var(--border);background:var(--surface)}.topbar-actions{display:flex;align-items:center;gap:var(--space-3)}.topbar-project{display:inline-flex;align-items:center;gap:var(--space-2);color:var(--text);text-decoration:none;padding:6px 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