:root{--bg-0: #07090F;--bg-1: #0B0F1A;--bg-2: #131826;--bg-3: #1B2233;--bg-4: #232C42;--fg-0: #F8FAFC;--fg-1: #CBD5E1;--fg-2: #94A3B8;--fg-3: #64748B;--accent: #00C9A7;--accent-hover: #00DEB7;--accent-soft: rgba(0, 201, 167, .12);--accent-border: rgba(0, 201, 167, .32);--danger: #F87171;--danger-soft: rgba(248, 113, 113, .12);--warning: #FBBF24;--warning-soft: rgba(251, 191, 36, .12);--success: #34D399;--success-soft: rgba(52, 211, 153, .12);--border: #1F2937;--border-strong: #2D3A52;--shadow: 0 1px 0 rgba(255, 255, 255, .02), 0 8px 24px rgba(0, 0, 0, .32);--radius-sm: 6px;--radius: 8px;--radius-lg: 12px;--font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", system-ui, sans-serif;--font-mono: "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", monospace}*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:var(--font-sans);font-size:14px;line-height:1.5;background:var(--bg-0);color:var(--fg-0);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button,input,textarea,select{font:inherit;color:inherit}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}code,pre,kbd,samp{font-family:var(--font-mono);font-size:.92em}.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:var(--bg-1);border-right:1px solid var(--border);padding:20px 16px;display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100vh;overflow-y:auto}.sidebar-brand{display:flex;align-items:center;gap:10px;padding:4px 8px 20px;border-bottom:1px solid var(--border);margin-bottom:16px}.sidebar-brand-mark{width:28px;height:28px;border-radius:7px;background:var(--accent);display:grid;place-items:center;font-weight:700;color:var(--bg-0);font-size:14px}.sidebar-brand-name{font-weight:600;letter-spacing:.02em}.sidebar-brand-env{margin-left:auto;font-size:10px;font-weight:600;padding:2px 8px;border-radius:999px;text-transform:uppercase;letter-spacing:.08em}.sidebar-brand-env.dev{background:var(--accent-soft);color:var(--accent);border:1px solid var(--accent-border)}.sidebar-brand-env.prod{background:var(--danger-soft);color:var(--danger);border:1px solid rgba(248,113,113,.32)}.sidebar-section-label{font-size:10px;font-weight:700;letter-spacing:.12em;color:var(--fg-3);text-transform:uppercase;padding:16px 8px 6px}.nav-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--radius-sm);color:var(--fg-1);cursor:pointer;-webkit-user-select:none;user-select:none;border:none;background:none;text-align:left;width:100%;font-size:13px}.nav-item:hover{background:var(--bg-2);color:var(--fg-0)}.nav-item.active{background:var(--accent-soft);color:var(--accent)}.nav-item-icon{width:16px;opacity:.85}.sidebar-footer{margin-top:auto;padding-top:16px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:6px;font-size:12px;color:var(--fg-2)}.sidebar-user{padding:8px;border-radius:var(--radius-sm);display:flex;flex-direction:column;gap:2px}.sidebar-user-name{color:var(--fg-0);font-weight:600}.sidebar-user-email{color:var(--fg-3);font-size:11px;word-break:break-all}.main{padding:32px 40px;max-width:1280px;width:100%}.page-header{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;padding-bottom:20px;border-bottom:1px solid var(--border);margin-bottom:24px}.page-title{font-size:22px;font-weight:700;letter-spacing:-.01em;margin:0}.page-subtitle{color:var(--fg-2);font-size:13px;margin:4px 0 0}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(1200px 600px at 50% -10%,rgba(0,201,167,.1),transparent 60%),var(--bg-0)}.auth-card{width:100%;max-width:420px;background:var(--bg-1);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow)}.auth-card-brand{display:flex;align-items:center;gap:12px;margin-bottom:28px}.auth-card-brand-mark{width:40px;height:40px;border-radius:10px;background:var(--accent);display:grid;place-items:center;font-weight:700;color:var(--bg-0);font-size:18px}.auth-card-title{font-size:18px;font-weight:700;margin:0}.auth-card-subtitle{color:var(--fg-2);font-size:13px;margin:4px 0 24px}.card{background:var(--bg-1);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px}.card-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.card-title{font-size:14px;font-weight:600;margin:0}.card-subtitle{color:var(--fg-2);font-size:12px;margin:2px 0 0}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.field-label{font-size:12px;font-weight:600;color:var(--fg-1);letter-spacing:.02em}.field-hint{font-size:11px;color:var(--fg-3)}.input,.textarea,.select{background:var(--bg-2);border:1px solid var(--border-strong);border-radius:var(--radius);padding:10px 12px;color:var(--fg-0);outline:none;transition:border-color .1s ease,box-shadow .1s ease;width:100%}.input:focus,.textarea:focus,.select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.textarea{resize:vertical;min-height:96px;font-family:var(--font-mono)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:9px 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var(--accent)}.toast-msg{font-size:13px;color:var(--fg-0);flex:1}.toast-close{cursor:pointer;background:none;border:none;color:var(--fg-3);padding:0;font-size:16px}.toast-close:hover{color:var(--fg-0)}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.spinner{width:14px;height:14px;border-radius:50%;border:2px solid var(--bg-3);border-top-color:var(--accent);animation:spin .7s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.empty{text-align:center;padding:48px 24px;color:var(--fg-3)}.alert{display:flex;gap:10px;padding:12px;border-radius:var(--radius);font-size:13px;margin:0 0 16px;border:1px 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