:root{--color-bg: #f4f6fb;--color-surface: #ffffff;--color-surface-alt: #f8fafc;--color-border: #e2e8f0;--color-text: #1e293b;--color-text-muted: #64748b;--color-primary: #1f5eff;--color-primary-dark: #1748cc;--color-danger: #dc2626;--color-success: #16a34a;--color-warning: #d97706;--radius: 12px;--radius-sm: 8px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);--shadow: 0 4px 16px rgba(15, 23, 42, .08);--max-width: 1120px;--header-h: 60px}@media (prefers-color-scheme: dark){:root{--color-bg: #0f172a;--color-surface: #1e293b;--color-surface-alt: #172033;--color-border: #334155;--color-text: #e2e8f0;--color-text-muted: #94a3b8;--color-primary: #4f83ff;--color-primary-dark: #3b6fe6;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow: 0 4px 16px rgba(0, 0, 0, .35)}}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Apple SD Gothic Neo,Malgun 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24px;display:flex;flex-direction:column;gap:14px}.auth__brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:1.05rem;justify-content:center;margin-bottom:4px}.auth__title{font-size:1.4rem;margin:0;text-align:center}.auth__subtitle{margin:0 0 6px;text-align:center;color:var(--color-text-muted);font-size:.9rem}.auth__submit{width:100%;margin-top:4px;text-align:center}.auth__foot{margin:6px 0 0;text-align:center;font-size:.9rem;color:var(--color-text-muted)}.auth__foot a{color:var(--color-primary);font-weight:600}.app-footer{border-top:1px solid var(--color-border);background:var(--color-surface);padding:20px 16px;text-align:center;font-size:.85rem;color:var(--color-text-muted);display:flex;flex-direction:column;gap:4px}.app-footer__muted{font-size:.78rem;opacity:.8}.page__header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;flex-wrap:wrap}.page__title{font-size:1.5rem;font-weight:700;margin:0;display:flex;align-items:center;gap:8px}.page__count{color:var(--color-text-muted);font-size:.95rem}.page__badge,.page__count{white-space:nowrap}.page__badge{background:var(--color-danger);color:#fff;font-size:.8rem;font-weight:700;border-radius:999px;padding:2px 9px}.btn{border:1px solid transparent;border-radius:var(--radius-sm);padding:9px 16px;font-size:.92rem;font-weight:600;transition:background .15s,border-color .15s,opacity .15s;background:var(--color-surface-alt);color:var(--color-text)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn--primary{background:var(--color-primary);color:#fff}.btn--primary:hover:not(:disabled){background:var(--color-primary-dark)}.btn--ghost{background:transparent;border-color:var(--color-border);color:var(--color-text)}.btn--ghost:hover:not(:disabled){background:var(--color-surface-alt)}.btn--danger{background:transparent;border-color:var(--color-danger);color:var(--color-danger)}.btn--danger:hover:not(:disabled){background:var(--color-danger);color:#fff}.btn--sm{padding:6px 12px;font-size:.85rem}.field{display:flex;flex-direction:column;gap:6px;min-width:0}.field__label{font-size:.82rem;font-weight:600;color:var(--color-text-muted)}.field input,.field select{width:100%;padding:9px 11px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);font-size:.92rem}.field input:focus,.field select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #1f5eff26}.filter-form{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:18px;margin-bottom:24px;box-shadow:var(--shadow-sm)}.filter-form__row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:14px}.filter-form__actions{display:flex;gap:10px}.item-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;transition:opacity .15s}.item-grid[data-fetching=true]{opacity:.6}.item-card{display:flex;flex-direction:column;gap:10px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow-sm);transition:transform .12s,box-shadow .12s,border-color 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p{margin:0;color:var(--color-text-muted);white-space:pre-wrap}.detail__source{margin-top:18px;display:inline-block}.detail__section{margin-top:32px}.detail__section-title{font-size:1.15rem;margin:0 0 14px}.detail__muted{color:var(--color-text-muted)}.detail__timestamps{margin-top:24px;font-size:.8rem;color:var(--color-text-muted)}.table-wrap{overflow-x:auto;border:1px solid var(--color-border);border-radius:var(--radius)}.history-table{width:100%;border-collapse:collapse;font-size:.9rem;min-width:480px}.history-table th,.history-table td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--color-border);white-space:nowrap}.history-table thead th{background:var(--color-surface-alt);color:var(--color-text-muted);font-weight:600}.history-table tbody tr:last-child td{border-bottom:none}.history-table__old{color:var(--color-text-muted);text-decoration:line-through}.history-table__new{color:var(--color-primary);font-weight:600}.card{background:var(--color-surface);border:1px solid 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10px;border-radius:999px;font-size:.75rem;font-weight:700}.ntype--new{background:#16a34a26;color:var(--color-success)}.ntype--price{background:#1f5eff26;color:var(--color-primary)}.ntype--date{background:#d9770626;color:var(--color-warning)}.ntype--default{background:var(--color-surface-alt);color:var(--color-text-muted)}.state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:48px 16px;text-align:center;color:var(--color-text-muted)}.state--error p{color:var(--color-danger)}.banner{border-radius:var(--radius-sm);padding:12px 16px;margin-bottom:16px;font-size:.9rem}.banner--error{background:#dc26261f;color:var(--color-danger)}.spinner{width:28px;height:28px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 768px){.filter-form__row,.if-form__row,.detail__body{grid-template-columns:1fr}.spec__row{grid-template-columns:100px 1fr}}@media (max-width: 520px){.app-logo__text,.app-user__email{display:none}.app-header__inner{padding:0 12px}.app-main{padding:16px 12px 40px}.item-grid{grid-template-columns:1fr}.filter-list__item{flex-direction:column;align-items:flex-start}}