:root{color-scheme:light;--bg: #f6f7f9;--bg-subtle: #eceff4;--panel: #ffffff;--surface: #ffffff;--surface-subtle: #fafbfc;--surface-hover: #f4f6f9;--surface-sunken: #f2f4f7;--border: #e4e7ec;--border-subtle: #eef0f4;--border-strong: #d0d5dd;--text: #101828;--text-secondary: #344054;--muted: #667085;--text-faint: #98a2b3;--text-inverse: #ffffff;--primary: #4f46e5;--primary-dark: #4338ca;--primary-darker: #3730a3;--primary-soft: #eef2ff;--primary-soft-strong: #e0e7ff;--primary-text: #3730a3;--primary-deepest: #1e1b4b;--success: #067647;--success-soft: #ecfdf3;--success-border: #abefc6;--danger: #b42318;--danger-soft: #fef3f2;--danger-border: #fecdca;--warning: #b54708;--warning-soft: #fffaeb;--warning-border: #fedf89;--info: #175cd3;--info-soft: #eff8ff;--info-border: #b2ddff;--sidebar-bg: #12141c;--sidebar-bg-raised: #1b1e28;--sidebar-text: #a3aab8;--sidebar-text-strong: #ffffff;--sidebar-border: rgba(255, 255, 255, .08);--sidebar-width: 244px;--sidebar-width-collapsed: 68px;--topbar-height: 60px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-7: 32px;--space-8: 40px;--radius-xs: 4px;--radius-sm: 6px;--radius: 10px;--radius-md: 12px;--radius-lg: 16px;--radius-full: 999px;--shadow-xs: 0 1px 2px rgba(16, 24, 40, .05);--shadow-sm: 0 1px 3px rgba(16, 24, 40, .06), 0 1px 2px rgba(16, 24, 40, .04);--shadow-md: 0 4px 10px -2px rgba(16, 24, 40, .08), 0 2px 4px -2px rgba(16, 24, 40, .04);--shadow-lg: 0 14px 28px -8px rgba(16, 24, 40, .14), 0 4px 8px -4px rgba(16, 24, 40, .06);--ring: 0 0 0 3px rgba(79, 70, 229, .18);--ring-danger: 0 0 0 3px rgba(180, 35, 24, .16);--transition: .16s cubic-bezier(.4, 0, .2, 1);--transition-slow: .24s cubic-bezier(.4, 0, .2, 1);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI Variable Text", "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--fs-xs: 11px;--fs-sm: 12px;--fs-base: 13px;--fs-md: 14px;--fs-lg: 16px;--fs-xl: 20px;--fs-2xl: 26px;--fs-3xl: 30px;font-family:var(--font-sans);font-size:var(--fs-md);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:var(--fs-md)}h1,h2,h3,h4,h5{color:var(--text);letter-spacing:-.011em;font-weight:600}h2{font-size:var(--fs-xl);margin:0 0 var(--space-5)}h3{font-size:var(--fs-lg);margin:0 0 var(--space-4)}h4{font-size:var(--fs-md);margin:0 0 var(--space-3)}p{margin:0 0 var(--space-3)}a{color:var(--primary);text-decoration:none;transition:color var(--transition)}a:hover{color:var(--primary-dark);text-decoration:underline}:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:var(--radius-xs)}hr{border:none;border-top:1px solid var(--border);margin:var(--space-5) 0}::selection{background:var(--primary-soft-strong);color:var(--primary-text)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:#d6dae1;border-radius:var(--radius-full);border:3px solid transparent;background-clip:content-box}::-webkit-scrollbar-thumb:hover{background:#bcc2cc;background-clip:content-box}::-webkit-scrollbar-track{background:transparent}.app-shell{display:flex;min-height:100vh}.app-body{flex:1;min-width:0;display:flex;flex-direction:column}.main-content{flex:1;width:100%;max-width:1280px;margin:0 auto;padding:var(--space-6) var(--space-7) var(--space-8)}.sidebar{width:var(--sidebar-width);flex-shrink:0;background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow:hidden;transition:width var(--transition-slow),transform var(--transition-slow);z-index:40}.sidebar.collapsed{width:var(--sidebar-width-collapsed)}.sidebar-head{display:flex;align-items:center;gap:var(--space-3);height:var(--topbar-height);padding:0 var(--space-4);border-bottom:1px solid var(--sidebar-border);flex-shrink:0}.brand-mark{width:32px;height:32px;flex-shrink:0;border-radius:var(--radius-sm);background:linear-gradient(140deg,var(--primary) 0%,#7c6df2 100%);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:var(--fs-base);letter-spacing:-.02em;box-shadow:0 2px 6px #4f46e573}.brand-text{min-width:0;display:flex;flex-direction:column;line-height:1.25}.brand-name{color:var(--sidebar-text-strong);font-size:var(--fs-base);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.brand-sub{color:var(--sidebar-text);font-size:var(--fs-xs);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;opacity:.75}.sidebar-nav{flex:1;overflow-y:auto;overflow-x:hidden;padding:var(--space-3) 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0;color:var(--muted);font-size:var(--fs-sm)}.card.flush{padding:0;overflow:hidden}.card.flush .card-head{padding:var(--space-4) var(--space-5);margin-bottom:0;border-bottom:1px solid var(--border-subtle)}.card.tight{padding:var(--space-4)}button{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);background:var(--primary);color:var(--text-inverse);border:1px solid transparent;padding:8px 14px;border-radius:var(--radius-sm);cursor:pointer;font-family:inherit;font-size:var(--fs-base);font-weight:600;line-height:20px;box-shadow:var(--shadow-xs);transition:background var(--transition),border-color var(--transition),color var(--transition),box-shadow var(--transition),transform var(--transition)}button:hover{background:var(--primary-dark)}button:active{transform:translateY(.5px)}button:focus-visible{outline:none;box-shadow:var(--ring)}button.secondary{background:var(--surface);color:var(--text-secondary);border-color:var(--border-strong)}button.secondary:hover{background:var(--surface-hover);color:var(--text);border-color:var(--border-strong)}button.ghost{background:transparent;color:var(--text-secondary);border-color:transparent;box-shadow:none}button.ghost:hover{background:var(--surface-hover);color:var(--text)}button.danger{background:var(--danger);border-color:transparent}button.danger:hover{background:#912018}button.danger:focus-visible{box-shadow:var(--ring-danger)}button.sm{padding:4px 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