:root{--bg-app: #F0F4FA;--bg-surface: #FFFFFF;--bg-card: #FFFFFF;--bg-card-hover: #F6F8FC;--bg-input: #F0F4FA;--bg-overlay: rgba(15, 23, 42, .45);--border: #D6E0F0;--border-hover: #B8C8E0;--border-focus: #3B82F6;--text: #0C1929;--text-secondary: #4A5E7A;--text-tertiary: #8896B3;--text-inverse: #FFFFFF;--accent: #2563EB;--accent-hover: #1D4ED8;--accent-soft: rgba(37, 99, 235, .08);--accent-muted: rgba(37, 99, 235, .15);--accent-glow: rgba(37, 99, 235, .25);--sl-color-primary-600: #2563EB;--danger: #DC2626;--danger-soft: rgba(220, 38, 38, .07);--danger-text: #B91C1C;--success: #059669;--success-soft: rgba(5, 150, 105, .07);--success-text: #047857;--notice-success-bg: #ECFDF5;--notice-success-border: #10B981;--notice-success-text: #064E3B;--notice-error-bg: #FEF2F2;--notice-error-border: #EF4444;--notice-error-text: #7F1D1D;--notice-warning-bg: #FFFBEB;--notice-warning-border: #F59E0B;--notice-warning-text: #78350F;--notice-info-bg: #EFF6FF;--notice-info-border: 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var(--transition-fast)}.artist-edit-btn{left:8px;color:#fff}.artist-image-btn{left:48px;right:auto;color:#fff}.artist-delete-btn{right:8px;left:auto;color:#ff6464d9;border-color:#ff646440}.artist-image-btn input{display:none}.artist-card:hover .artist-edit-btn,.artist-card:hover .artist-delete-btn,.artist-card:hover .artist-image-btn,.artist-edit-btn:focus-visible,.artist-delete-btn:focus-visible,.artist-image-btn:focus-within{opacity:1;transform:translateY(0) scale(1)}.artist-edit-btn:hover,.artist-image-btn:hover{background:var(--accent);border-color:transparent;color:#fff;box-shadow:0 8px 18px #3b82f659;transform:translateY(-1px) scale(1.06)}.artist-delete-btn:hover{background:var(--danger);border-color:transparent;color:#fff;box-shadow:0 8px 18px #ef444459;transform:translateY(-1px) scale(1.06)}.artist-edit-btn:focus-visible,.artist-delete-btn:focus-visible,.artist-image-btn:focus-within{outline:2px solid var(--accent);outline-offset:2px}.artist-card-body{height:96px;padding:10px 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var(--transition-fast),background var(--transition-fast)}.album-card:hover,.album-card.active{border-color:var(--accent-muted);box-shadow:var(--shadow-sm)}.album-card.active{background:var(--accent-soft);border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-muted)}.album-cover{position:relative;width:100%;height:150px;background:var(--bg-input);overflow:hidden}.album-cover img{width:100%;height:100%;object-fit:cover}.album-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--accent);background:linear-gradient(135deg,var(--accent-soft),var(--bg-input))}.album-placeholder i{font-size:34px;opacity:.45}.album-edit-btn,.album-delete-btn,.album-image-btn{position:absolute;top:8px;z-index:3;width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);background:#050a14a8;border:1px solid rgba(255,255,255,.16);cursor:pointer;font-size:13px;box-shadow:0 4px 12px 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.player-progress-thumb{opacity:1}.player-controls{display:flex;align-items:center;gap:16px;height:var(--player-h);padding:0 20px;max-width:1280px;margin:0 auto}.player-info{display:flex;align-items:center;gap:12px;flex:1;min-width:0}.player-cover{width:44px;height:44px;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-input);flex-shrink:0}.player-cover img{width:100%;height:100%;object-fit:cover}.player-cover-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center}.player-cover-placeholder 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var(--transition)}.dropzone:hover{border-color:var(--border-hover)}.dropzone.active{border-color:var(--accent);background:var(--accent-soft);animation:pulse-border 1.5s ease infinite}.dropzone-icon{font-size:36px;color:var(--text-tertiary);margin-bottom:12px;transition:color var(--transition)}.dropzone.active .dropzone-icon{color:var(--accent)}.dropzone-text{font-size:14px;font-weight:500;color:var(--text);margin-bottom:4px}.dropzone-sub{font-size:12px;color:var(--text-tertiary)}.dropzone-link{color:var(--accent);font-weight:600}.dropzone-hint{font-size:11px;color:var(--text-tertiary);margin-top:12px;opacity:.7;overflow-wrap:anywhere}.upload-list{display:flex;flex-direction:column;gap:6px;max-height:240px;overflow-x:hidden;overflow-y:auto;margin-bottom:16px;max-width:100%}.upload-item{display:flex;align-items:center;flex-wrap:wrap;gap:10px;padding:8px 12px;border-radius:var(--radius-sm);background:var(--bg-input);font-size:13px;min-width:0;max-width:100%}.upload-item>i{flex:0 0 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var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast)}.edit-cover-btn:hover{color:var(--text);border-color:var(--border-hover)}.edit-audio-btn{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 42%,var(--border));background:color-mix(in srgb,var(--accent) 8%,transparent)}.edit-audio-btn:hover{color:var(--accent-hover);border-color:var(--accent);background:var(--accent-soft)}.edit-audio-filename{max-width:122px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-tertiary);font-size:11px;padding:0 4px}.edit-audio-warning,.edit-audio-progress{max-width:220px;border-radius:var(--radius-sm);padding:7px 9px;font-size:11px;line-height:1.35}.edit-audio-warning{color:var(--danger-text);background:var(--danger-soft);border:1px solid color-mix(in srgb,var(--danger) 34%,transparent)}.edit-audio-progress{display:inline-flex;align-items:center;gap:6px;color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent-muted)}.edit-cover-remove{color:var(--danger)}.edit-cover-remove:hover{background:var(--danger-soft);border-color:transparent}.edit-cover-info{color:var(--text-tertiary);font-size:11px;margin-top:2px}.edit-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:20px}.edit-grid .full{grid-column:1 / -1}.edit-label{display:block;font-size:11px;font-weight:600;color:var(--text-secondary);margin-bottom:5px;text-transform:uppercase;letter-spacing:.3px}.confirm-name{text-transform:none;font-size:14px;font-weight:700;color:var(--text);letter-spacing:0}.toast-container{position:fixed;bottom:calc(var(--player-h) + var(--spectrum-h) + 20px);right:20px;z-index:100;display:flex;flex-direction:column;gap:8px;max-width:340px}.toast{padding:10px 16px;border-radius:var(--radius-sm);font-size:13px;font-weight:500;border:1px 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var(--transition-fast)}.btn-danger:hover{opacity:.9}.btn-danger:disabled{opacity:.35;cursor:not-allowed}.loading-center{display:flex;align-items:center;justify-content:center;padding:80px 20px}.loading-spinner{width:28px;height:28px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.login-card{width:100%;max-width:400px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:32px;box-shadow:var(--shadow-lg)}.login-header{text-align:center;margin-bottom:28px}.login-logo{display:inline-flex;align-items:center;gap:10px;margin-bottom:12px}.login-logo-icon{width:40px;height:40px;border-radius:var(--radius-md);background:var(--accent);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px}.login-logo-text{font-family:var(--font-display);font-size:26px;font-weight:700}.login-subtitle{font-size:13px;color:var(--text-secondary)}.login-error,.login-success{display:block;padding:10px 12px;border-radius:var(--radius-sm);border:1px solid;font-size:13px;font-weight:700;line-height:1.45;overflow-wrap:anywhere}.login-error{margin-top:10px;background:var(--notice-error-bg);border-color:var(--notice-error-border);color:var(--notice-error-text)}.login-success{margin:10px 0;background:var(--notice-success-bg);border-color:var(--notice-success-border);color:var(--notice-success-text)}.profile-page{width:100%;max-width:none;margin:0}.profile-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,360px),1fr));gap:16px}.profile-card-static{display:flex;flex-direction:column;gap:12px;border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px;background:var(--surface)}.profile-card-static h3{margin:0}.profile-card-static .btn:disabled{opacity:.45;background:color-mix(in srgb,var(--surface-strong) 65%,transparent);color:var(--text-secondary);box-shadow:none;cursor:not-allowed}.profile-card-wide-static{grid-column:1 / -1}.muted{color:var(--text-secondary)}.secret-box,.recovery-code-list{display:flex;flex-direction:column;gap:8px;border:1px solid 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