:root{--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-primary-active: #1e40af;--color-primary-soft: #dbeafe;--color-on-primary: #ffffff;--color-success: #16a34a;--color-success-soft: #dcfce7;--color-warning: #d97706;--color-warning-soft: #fef3c7;--color-danger: #dc2626;--color-danger-soft: #fee2e2;--color-info: #2563eb;--color-info-soft: #dbeafe;--color-neutral: #6b7280;--color-neutral-soft: #f3f4f6;--color-bg: #f5f7fa;--color-surface: #ffffff;--color-surface-2: #f9fafb;--color-border: #e5e7eb;--color-border-strong: #d1d5db;--color-text: #1f2937;--color-text-secondary: #4b5563;--color-text-muted: #6b7280;--color-text-inverse: #f9fafb;--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 20px;--sp-6: 24px;--sp-8: 32px;--sp-10: 40px;--sp-12: 48px;--sp-16: 64px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-pill: 999px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .08);--shadow-md: 0 4px 12px rgba(15, 23, 42, .08), 0 2px 4px rgba(15, 23, 42, .06);--shadow-lg: 0 12px 28px rgba(15, 23, 42, .12), 0 4px 10px rgba(15, 23, 42, .08);--font-sans: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;--text-xs: 12px;--text-sm: 13px;--text-base: 14px;--text-md: 16px;--text-lg: 18px;--text-xl: 22px;--text-2xl: 28px;--fw-regular: 400;--fw-medium: 500;--fw-semibold: 600;--fw-bold: 700;--lh-tight: 1.25;--lh-normal: 1.5;--motion-fast: .12s;--motion-base: .2s;--motion-slow: .32s;--ease-standard: cubic-bezier(.4, 0, .2, 1);--sidebar-w: 232px;--topbar-h: 60px;--content-max: 1280px;--z-modal: 1000;--z-toast: 1100}[data-theme=dark]{--color-primary: #3b82f6;--color-primary-hover: #60a5fa;--color-primary-active: #93c5fd;--color-primary-soft: #1e3a8a;--color-on-primary: #0b1220;--color-success: #4ade80;--color-success-soft: #14331f;--color-warning: #fbbf24;--color-warning-soft: #3a2c0a;--color-danger: 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var(--ease-standard)}.toast--success{background-color:var(--color-success)}.toast--warning{background-color:var(--color-warning)}.toast--danger{background-color:var(--color-danger)}.toast--info{background-color:var(--color-primary)}@keyframes toast-in{0%{opacity:0;transform:translate(16px)}to{opacity:1;transform:translate(0)}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-2);font-family:var(--font-sans);font-weight:var(--fw-medium);border:1px solid transparent;border-radius:var(--radius-md);cursor:pointer;white-space:nowrap;transition:background-color var(--motion-fast) var(--ease-standard),border-color var(--motion-fast) var(--ease-standard),box-shadow var(--motion-fast) var(--ease-standard),transform var(--motion-fast) var(--ease-standard);-webkit-user-select:none;user-select:none}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed;pointer-events:none}.btn--sm{height:30px;padding:0 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