:root{--bg-page: #f5f3ee;--bg-surface: #ffffff;--bg-elevated: #fafaf7;--bg-sidebar: #111118;--bg-input: #ffffff;--green: #1db954;--green-light: #e8f8ee;--green-border: #a8dfc0;--green-dark: #127a38;--sparq-green: #39ff6a;--ink-900: #0f0f14;--ink-700: #2d2d38;--ink-500: #5c5c72;--ink-300: #9898b0;--ink-100: #e8e8f0;--ink-50: #f2f2f8;--amber: #f59e0b;--amber-light: #fef3c7;--red: #ef4444;--red-light: #fef2f2;--blue: #3b82f6;--blue-light: #eff6ff;--font-display: "Playfair Display", serif;--font-body: "DM Sans", sans-serif;--font-mono: "DM Mono", monospace;--shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 16px rgba(0,0,0,.08), 0 1px 4px rgba(0,0,0,.04);--shadow-lg: 0 12px 40px rgba(0,0,0,.1), 0 4px 12px rgba(0,0,0,.05);--sidebar-w: 240px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 22px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{height:100%;font-size:15px;-webkit-text-size-adjust:100%}body{min-height:100%;background:var(--bg-page);color:var(--ink-700);font-family:var(--font-body);line-height:1.6;-webkit-font-smoothing:antialiased}#root{min-height:100vh;display:flex}.app-shell{display:flex;min-height:100vh;width:100%}.sidebar{width:var(--sidebar-w);background:var(--bg-sidebar);display:flex;flex-direction:column;flex-shrink:0;position:fixed;top:0;left:0;bottom:0;z-index:100;overflow-y:auto}.sidebar-logo{padding:24px 20px 20px;border-bottom:1px solid rgba(255,255,255,.06)}.sidebar-logo .wordmark{font-family:var(--font-display);font-size:22px;font-weight:700;color:#fff;letter-spacing:-.02em}.sidebar-logo .wordmark em{font-style:normal;color:var(--sparq-green)}.sidebar-nav{flex:1;padding:12px 10px;display:flex;flex-direction:column;gap:2px}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 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