:root{--font-sans: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;--color-bg: #f4f6f9;--color-surface: #ffffff;--color-surface-muted: #f8fafc;--color-border: #e3e8ef;--color-border-strong: #cbd4e1;--color-text: #1b2432;--color-text-muted: #526075;--color-text-subtle: #8592a6;--color-primary: #c62828;--color-primary-hover: #a61e1e;--color-primary-dark: #8e0000;--color-primary-soft: #ffebee;--color-accent: #e53935;--color-info: #1d4ed8;--color-info-soft: #eaf0ff;--color-info-border: #bccdfd;--color-success: #0f9d6b;--color-danger: #c62f3b;--color-danger-soft: #fdecee;--color-ws1: #6366f1;--color-ws2: #0ea5e9;--color-ws3: #f59e0b;--color-out: #c2410c;--color-row-alt: #fafbfd;--color-row-hover: #fdf4f4;--color-total-bg: #faf5f5;--color-total-bg-hover: #f6e8e8;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .05);--focus-ring: 0 0 0 3px rgba(198, 40, 40, .22)}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;min-height:100%}body{font-family:var(--font-sans);font-size:14px;line-height:1.5;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}:focus-visible{outline:none;box-shadow:var(--focus-ring)}.panel{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}.panel-title{margin:0;font-size:1rem;font-weight:600;color:var(--color-text)}.panel-subtitle{margin:2px 0 0;font-size:.8125rem;color:var(--color-text-muted)}.input{height:38px;padding:0 12px;font:inherit;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);transition:border-color .15s,box-shadow .15s}.input:hover:not(:disabled){border-color:#aab6c8}.input:focus{outline:none;border-color:var(--color-primary);box-shadow:var(--focus-ring)}.input:disabled{background:var(--color-surface-muted);cursor:not-allowed}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:38px;padding:0 16px;font:inherit;font-weight:600;white-space:nowrap;border:1px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:background-color .15s,border-color .15s,color .15s}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{color:#fff;background:var(--color-primary)}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-primary:active:not(:disabled){background:var(--color-primary-dark)}.btn-secondary{color:var(--color-text);background:var(--color-surface);border-color:var(--color-border-strong)}.btn-secondary:hover:not(:disabled){background:var(--color-surface-muted);border-color:#aab6c8}.btn-sm{height:32px;padding:0 12px;font-size:.8125rem}.btn-icon{width:16px;height:16px}.spinner{width:14px;height:14px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}.spinner-dark{border-color:#c6282840;border-top-color:var(--color-primary)}.spinning{animation:spin .9s linear infinite}.skeleton{display:block;border-radius:4px;background:linear-gradient(90deg,#edf1f6 25%,#f6f8fb,#edf1f6 75%);background-size:200% 100%;animation:shimmer 1.3s ease-in-out infinite}.skeleton-line{height:12px}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media(prefers-reduced-motion:reduce){.spinner,.spinning,.skeleton{animation-duration:2.5s}}