:root{--bg: #f4f5f7;--surface: #ffffff;--surface-muted: #f8f9fb;--border: #e2e4ea;--border-strong: #cbced9;--text: #1c1f27;--text-muted: #61667a;--text-faint: #8b90a3;--primary: #3454d1;--primary-hover: #2a44b0;--primary-soft: #ecf0fe;--danger: #d13438;--danger-hover: #b02b2e;--danger-soft: #fdecec;--success: #1f8a4c;--success-soft: #e9f8ef;--warning: #b5790a;--warning-soft: #fdf3e0;--info: #2b6cb0;--info-soft: #e8f1fb;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--shadow-sm: 0 1px 2px rgba(20, 22, 30, .06);--shadow-md: 0 6px 20px rgba(20, 22, 30, .1);--sidebar-width: 248px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:-.01em}p{margin:0}a{color:inherit}button{font:inherit}.muted{color:var(--text-muted)}.eyebrow{display:block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint);margin-bottom:4px}.button{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius-sm);border:1px solid transparent;background:var(--surface);color:var(--text);font-weight:560;font-size:13px;cursor:pointer;transition:background .12s ease,border-color .12s ease,opacity .12s ease;white-space:nowrap}.button:disabled{opacity:.55;cursor:not-allowed}.button--primary{background:var(--primary);color:#fff}.button--primary:hover:not(:disabled){background:var(--primary-hover)}.button--ghost{background:transparent;border-color:var(--border-strong);color:var(--text)}.button--ghost:hover:not(:disabled){background:var(--surface-muted)}.button--danger{background:var(--danger);color:#fff}.button--danger:hover:not(:disabled){background:var(--danger-hover)}.button--danger-ghost{background:transparent;border-color:var(--danger);color:var(--danger)}.button--danger-ghost:hover:not(:disabled){background:var(--danger-soft)}.button--sm{padding:5px 10px;font-size:12px}.button--full{width:100%;justify-content:center}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--surface);color:var(--text-muted);cursor:pointer}.icon-button:hover{background:var(--surface-muted);color:var(--text)}.icon-button--quiet{border-color:transparent;background:transparent;width:26px;height:26px}.icon-button--danger:hover{border-color:var(--danger);color:var(--danger);background:var(--danger-soft)}.link-button{background:none;border:none;padding:0;color:var(--primary);cursor:pointer;font-weight:560;font-size:13px;display:inline-flex;align-items:center;gap:4px}.link-button:hover{text-decoration:underline}.app-shell{display:grid;grid-template-columns:var(--sidebar-width) 1fr;min-height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:18px 14px;gap:18px;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:10px;padding:4px 6px 10px;color:var(--primary)}.brand div{display:flex;flex-direction:column;line-height:1.2}.brand strong{font-size:14px;color:var(--text)}.brand span{font-size:11px;color:var(--text-faint)}.choir-picker{padding:10px 10px 12px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface-muted)}.nav-list{display:flex;flex-direction:column;gap:2px;flex:1;overflow-y:auto}.nav-list a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:var(--radius-sm);color:var(--text-muted);text-decoration:none;font-weight:560;font-size:13px}.nav-list a:hover{background:var(--surface-muted);color:var(--text)}.nav-list a.active{background:var(--primary-soft);color:var(--primary)}.sidebar__footer{display:flex;flex-direction:column;gap:10px;border-top:1px solid var(--border);padding-top:12px}.user-chip{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-muted);padding:0 4px;overflow:hidden}.user-chip span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.main{padding:22px 30px 40px;min-width:0}.topbar{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:22px;gap:16px;flex-wrap:wrap}.topbar h1{font-size:21px}.page{display:flex;flex-direction:column;gap:18px}.page__header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap}.page__header h2{font-size:18px}.page__actions{display:flex;gap:8px;flex-wrap:wrap}.breadcrumb{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-faint);margin-bottom:2px}.breadcrumb a{color:var(--text-muted);text-decoration:none}.breadcrumb a:hover{text-decoration:underline}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.card__header{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--border);gap:10px}.card__title{font-size:14px;font-weight:640}.card__body{padding:18px}.card--pad-sm .card__body{padding:12px 14px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}.stat-tile{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:14px 16px;display:flex;flex-direction:column;gap:6px;box-shadow:var(--shadow-sm)}.stat-tile__label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);display:flex;align-items:center;gap:6px}.stat-tile__value{font-size:26px;font-weight:680;letter-spacing:-.02em}.stat-tile__hint{font-size:12px;color:var(--text-muted)}.stat-tile--warn .stat-tile__value{color:var(--warning)}.stat-tile--danger .stat-tile__value{color:var(--danger)}.quick-actions{display:flex;flex-wrap:wrap;gap:10px}.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.toolbar__group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.search-box{position:relative;display:flex;align-items:center;min-width:220px}.search-box svg{position:absolute;left:10px;color:var(--text-faint);pointer-events:none}.search-box input{padding-left:32px}.field{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:560}.field__label{color:var(--text)}.field__hint{font-size:12px;font-weight:400;color:var(--text-faint)}.field__error{font-size:12px;font-weight:500;color:var(--danger)}.input,.textarea,.select{width:100%;border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:8px 10px;font-size:13px;font-family:inherit;color:var(--text);background:var(--surface)}.input:focus,.textarea:focus,.select:focus{outline:2px solid var(--primary);outline-offset:0;border-color:var(--primary)}.input.has-error,.textarea.has-error{border-color:var(--danger)}.textarea{resize:vertical;min-height:90px;line-height:1.6}.textarea--lyrics{min-height:420px;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:13.5px;white-space:pre-wrap}.checkbox-row{display:flex;align-items:center;gap:8px;font-weight:560;font-size:13px}.checkbox-row input{width:16px;height:16px}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.form-actions{display:flex;align-items:center;gap:10px;justify-content:flex-end;border-top:1px solid var(--border);padding-top:16px;margin-top:4px}.form-actions--split{justify-content:space-between}.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface)}.table{width:100%;border-collapse:collapse;font-size:13px;min-width:720px}.table th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-faint);font-weight:700;padding:11px 14px;border-bottom:1px solid var(--border);background:var(--surface-muted);white-space:nowrap}.table th button{background:none;border:none;padding:0;font:inherit;color:inherit;cursor:pointer;display:inline-flex;align-items:center;gap:4px;text-transform:uppercase;letter-spacing:.04em;font-size:11px;font-weight:700}.table td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:middle}.table tr:last-child td{border-bottom:none}.table tbody tr:hover{background:var(--surface-muted)}.table tr.is-deleted{opacity:.55}.table__title{font-weight:600;color:var(--text)}.table__sub{color:var(--text-faint);font-size:12px}.table__actions{display:flex;gap:6px;justify-content:flex-end}.row-checkbox{width:15px;height:15px}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:650;white-space:nowrap;background:var(--surface-muted);color:var(--text-muted);border:1px solid var(--border)}.badge--success{background:var(--success-soft);color:var(--success);border-color:transparent}.badge--danger{background:var(--danger-soft);color:var(--danger);border-color:transparent}.badge--warning{background:var(--warning-soft);color:var(--warning);border-color:transparent}.badge--info{background:var(--info-soft);color:var(--info);border-color:transparent}.badge--muted{background:var(--surface-muted);color:var(--text-faint)}.badge-row{display:flex;gap:4px;flex-wrap:wrap}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);flex-wrap:wrap}.tab{padding:9px 14px;border:none;background:none;font-weight:580;font-size:13px;color:var(--text-muted);cursor:pointer;border-bottom:2px solid transparent;display:flex;align-items:center;gap:6px;margin-bottom:-1px}.tab:hover{color:var(--text)}.tab.is-active{color:var(--primary);border-bottom-color:var(--primary)}.tab-panel{padding-top:18px}.tab-dot{width:6px;height:6px;border-radius:50%;background:var(--border-strong)}.tab-dot--ok{background:var(--success)}.tab-dot--missing{background:var(--warning)}.editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}@media(max-width:980px){.editor-grid{grid-template-columns:1fr}}.lyrics-preview{border:1px dashed var(--border-strong);border-radius:var(--radius-md);padding:16px;background:var(--surface-muted);min-height:420px;max-height:560px;overflow-y:auto;white-space:pre-wrap;font-size:14px;line-height:1.7}.lyrics-preview__empty{color:var(--text-faint);font-style:italic}.track-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}.track-card{border:1px solid var(--border);border-radius:var(--radius-md);padding:14px;display:flex;flex-direction:column;gap:10px;background:var(--surface)}.track-card__head{display:flex;align-items:center;justify-content:space-between}.track-card__part{font-weight:650;font-size:14px}.track-card__meta{font-size:12px;color:var(--text-muted);display:flex;flex-direction:column;gap:2px}.track-card__actions{display:flex;gap:6px;flex-wrap:wrap}.progress{height:6px;border-radius:999px;background:var(--border);overflow:hidden}.progress__bar{height:100%;background:var(--primary);transition:width .15s ease}.state{display:flex;flex-direction:column;align-items:center;gap:10px;padding:40px 20px;color:var(--text-muted);text-align:center}.state--error{color:var(--danger)}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.skeleton-stack{display:flex;flex-direction:column;gap:8px;width:100%;max-width:480px;margin-top:6px}.skeleton-line{height:12px;border-radius:6px;background:linear-gradient(90deg,var(--border) 25%,#eef0f4 37%,var(--border) 63%);background-size:400% 100%;animation:shimmer 1.4s ease infinite}@keyframes shimmer{0%{background-position:100% 50%}to{background-position:0 50%}}.empty-state{display:flex;flex-direction:column;align-items:center;gap:8px;padding:48px 20px;text-align:center;color:var(--text-muted);border:1px dashed var(--border-strong);border-radius:var(--radius-lg);background:var(--surface)}.empty-state h2{font-size:15px;color:var(--text)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#14161e73;display:flex;align-items:center;justify-content:center;z-index:60;padding:20px}.modal{background:var(--surface);border-radius:var(--radius-lg);padding:20px;width:min(420px,100%);box-shadow:var(--shadow-md);display:flex;flex-direction:column;gap:12px}.modal--wide{width:min(640px,100%)}.modal__header h2{font-size:16px}.modal__actions{display:flex;justify-content:flex-end;gap:8px;margin-top:4px}.toast-viewport{position:fixed;bottom:20px;right:20px;display:flex;flex-direction:column;gap:8px;z-index:100;max-width:360px}.toast{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:var(--radius-md);background:var(--text);color:#fff;box-shadow:var(--shadow-md);font-size:13px}.toast--success{background:#16532f}.toast--error{background:#6c1c1e}.toast--info{background:#17284f}.toast button{margin-left:auto;color:inherit}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,#101528,#1a2246 55%,#223167);padding:20px}.login-card{width:min(380px,100%);background:var(--surface);border-radius:var(--radius-lg);padding:32px 28px;box-shadow:var(--shadow-md);display:flex;flex-direction:column;gap:18px}.login-card__brand{display:flex;align-items:center;gap:10px;color:var(--primary)}.login-card__brand strong{font-size:16px;color:var(--text);display:block}.login-card__brand span{font-size:12px;color:var(--text-faint)}.login-form{display:flex;flex-direction:column;gap:14px}.login-error{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:var(--radius-sm);background:var(--danger-soft);color:var(--danger);font-size:13px}.password-field{position:relative}.password-field button{position:absolute;right:6px;top:6px}.divider{height:1px;background:var(--border);border:none;margin:4px 0}.section-title{font-size:13px;font-weight:650;color:var(--text);display:flex;align-items:center;gap:8px}.settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.kv{display:flex;flex-direction:column;gap:3px;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface-muted)}.kv__label{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);font-weight:700}.kv__value{font-size:14px;font-weight:560;word-break:break-all}.dropzone{border:1.5px dashed var(--border-strong);border-radius:var(--radius-md);padding:18px;text-align:center;color:var(--text-muted);font-size:13px;cursor:pointer;background:var(--surface-muted)}.dropzone:hover{border-color:var(--primary);color:var(--text)}.dropzone input{display:none}.bulk-list{display:flex;flex-direction:column;gap:8px;max-height:260px;overflow-y:auto;border:1px solid var(--border);border-radius:var(--radius-md);padding:10px}.bulk-list__row{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;padding:4px 2px}.selection-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 14px;background:var(--primary-soft);border:1px solid var(--border);border-radius:var(--radius-md);font-size:13px;flex-wrap:wrap}.pagination-hint{font-size:12px;color:var(--text-faint)}