:root{--bg: #0a0a0c;--surface: #131316;--surface-alt: #1c1c20;--surface-hover: #232328;--border: rgba(255, 255, 255, .09);--border-strong: rgba(255, 255, 255, .16);--text: #f2f2f4;--muted: #8f8f98;--primary: #3b82f6;--primary-dark: color-mix(in srgb, var(--primary) 82%, black);--primary-light: color-mix(in srgb, var(--primary) 16%, var(--surface));--success-bg: rgba(52, 199, 89, .12);--success-text: #4ade80;--success-border: rgba(52, 199, 89, .28);--warning-bg: rgba(245, 158, 11, .12);--warning-text: #fbbf24;--warning-border: rgba(245, 158, 11, .28);--error-bg: rgba(248, 81, 73, .12);--error-text: #f87171;--error-border: rgba(248, 81, 73, .28);--shadow-sm: 0 1px 0 rgba(0, 0, 0, .3);--shadow-md: 0 12px 28px rgba(0, 0, 0, .45);--radius: 10px}[data-theme=light]{--bg: #fafafa;--surface: #ffffff;--surface-alt: #f4f4f5;--surface-hover: #ececee;--border: rgba(0, 0, 0, .09);--border-strong: rgba(0, 0, 0, .15);--text: #0f0f10;--muted: #6b6b74;--success-bg: #e9f9ef;--success-text: #0f7a3d;--success-border: #b2ecc7;--warning-bg: #fff6e0;--warning-text: #8a5a00;--warning-border: #fbdf9e;--error-bg: #fdecec;--error-text: #b3231a;--error-border: #f6c6c1;--shadow-sm: 0 1px 2px rgba(15, 15, 16, .05);--shadow-md: 0 10px 24px rgba(15, 15, 16, .1)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Inter,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app-shell{display:flex;align-items:stretch;min-height:100vh}.sidebar{width:232px;flex-shrink:0;background:var(--bg);border-right:1px solid var(--border);padding:18px 12px;display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100vh}.sidebar-brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:14px;letter-spacing:-.01em;padding:6px 8px 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6px}.item-menu{position:absolute;top:6px;right:6px}.item-menu-trigger{display:flex;align-items:center;justify-content:center;background:transparent;color:var(--muted);box-shadow:none;padding:5px;line-height:1;border-radius:7px}.item-menu-trigger:hover{background:var(--surface-hover);color:var(--text);opacity:1}.item-menu-dropdown{position:absolute;right:0;top:100%;margin-top:4px;background:var(--surface-hover);border:1px solid var(--border-strong);border-radius:8px;box-shadow:var(--shadow-md);overflow:hidden;min-width:110px;z-index:20}.item-menu-option{display:block;width:100%;background:transparent;color:var(--text);box-shadow:none;border-radius:0;text-align:left;padding:8px 12px;font-size:13px;font-weight:400}.item-menu-option:hover{background:var(--surface-alt);opacity:1}.item-menu-option.danger{color:var(--error-text)}.gate-result 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