:root{--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;--color-bg: #f6f7f9;--color-surface: #ffffff;--color-surface-muted: #f2f4f7;--color-border: #e3e6ea;--color-border-strong: #cfd4db;--color-text: #17202a;--color-text-muted: #5b6673;--color-text-subtle: #828d9b;--color-primary: #1f6feb;--color-primary-dark: #1959c4;--color-primary-soft: #e8f0fe;--color-danger: #c62828;--color-danger-soft: #fdecec;--color-success: #1a7f4b;--color-success-soft: #e6f4ec;--color-warning: #9a6200;--color-warning-soft: #fdf3e2;--radius-sm: 6px;--radius: 10px;--radius-lg: 16px;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);--shadow: 0 4px 16px rgba(16, 24, 40, .08);--shadow-lg: 0 12px 32px rgba(16, 24, 40, .16);--content-max: 1240px;--header-height: 56px;--safe-bottom: env(safe-area-inset-bottom, 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.15s,border-color .15s,opacity .15s;white-space:nowrap}.btn:hover:not(:disabled){background:var(--color-surface-muted)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-dark);border-color:var(--color-primary-dark)}.btn-danger{background:var(--color-surface);border-color:#e8b4b4;color:var(--color-danger)}.btn-danger:hover:not(:disabled){background:var(--color-danger-soft)}.btn-ghost{border-color:transparent;background:transparent}.btn-ghost:hover:not(:disabled){background:var(--color-surface-muted)}.btn-sm{min-height:32px;padding:0 10px;font-size:13px}.btn-block{width:100%}.btn-icon{width:16px;height:16px;flex-shrink:0}.field{margin-bottom:16px}.field-label{display:block;margin-bottom:6px;font-weight:600;font-size:14px}.field-required:after{content:" *";color:var(--color-danger)}.field-hint{margin-top:4px;font-size:12px;color:var(--color-text-subtle)}.field-error{margin-top:4px;font-size:13px;color:var(--color-danger);display:flex;align-items:center;gap:4px}.field-error:before{content:"⚠";font-size:12px}.input,.textarea,.select{width:100%;min-height:40px;padding:8px 12px;border:1px solid var(--color-border-strong);border-radius:var(--radius);background:var(--color-surface);color:var(--color-text);font-family:inherit;font-size:15px}.textarea{min-height:120px;resize:vertical}.input:focus,.textarea:focus,.select:focus{border-color:var(--color-primary);outline:2px solid var(--color-primary-soft);outline-offset:0}.input[aria-invalid=true],.textarea[aria-invalid=true]{border-color:var(--color-danger)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.7}.badge-draft{background:var(--color-surface-muted);color:var(--color-text-muted)}.badge-published{background:var(--color-success-soft);color:var(--color-success)}.badge-unpublished{background:var(--color-warning-soft);color:var(--color-warning)}.badge-archived{background:var(--color-danger-soft);color:var(--color-danger)}.state-block{padding:48px 16px;text-align:center;color:var(--color-text-muted)}.state-block h2{margin:0 0 8px;font-size:17px;color:var(--color-text)}.state-block p{margin:0 0 16px}.skeleton{background:linear-gradient(90deg,#eef0f3 25%,#e4e7ec 37%,#eef0f3 63%);background-size:400% 100%;animation:skeleton-loading 1.4s ease infinite;border-radius:var(--radius)}@keyframes skeleton-loading{0%{background-position:100% 50%}to{background-position:0 50%}}.boot-screen{min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:#5b6673;font-family:var(--font-sans)}.boot-spinner,.spinner{width:24px;height:24px;border:2px solid #d5dae1;border-top-color:#1f6feb;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}