:root{--bg-body: #0e1014;--bg-deeper: #0f1115;--bg-card: #111318;--bg-template-card: #141720;--bg-input: #151820;--bg-btn: #1a1d24;--bg-added: #1a1d2a;--bg-active: #1f1a3a;--border: #1e2128;--border-input: #242838;--border-btn: #2a2d35;--text-faint: #555b6e;--text-muted: #6b7280;--text-dim: #71717a;--text-secondary: #a1a1aa;--text-body: #e4e4e7;--text-primary: #d8d8d8;--text-input: #ccc;--accent: #7c5cfc;--accent-bg: rgba(124, 92, 252, .2);--accent-border: rgba(124, 92, 252, .3);--accent-border-subtle: rgba(124, 92, 252, .19);--accent-border-faint: rgba(124, 92, 252, .13);--accent-focus: rgba(124, 92, 252, .27);--navbar-gradient: linear-gradient(135deg, #a855f7, #6366f1);--success: #22c55e;--success-light: #86efac;--success-bg: rgba(34, 197, 94, .15);--success-border: rgba(34, 197, 94, .3);--success-bg-light: rgba(34, 197, 94, .1);--danger: #ef4444;--danger-text: #fca5a5;--danger-bg: rgba(239, 68, 68, .15);--danger-border: rgba(239, 68, 68, .3);--danger-bg-light: rgba(239, 68, 68, .1);--danger-border-light: rgba(239, 68, 68, .2);--danger-dark: #c0392b;--warning: #f97316;--warning-pause: #f59e0b;--tag-piece-bg: rgba(99, 102, 241, .15);--tag-tech-bg: rgba(168, 85, 247, .15);--status-learning-bg: rgba(34, 197, 94, .2);--status-learning: #86efac;--status-learning-border: #22c55e;--status-maintaining-bg: rgba(59, 130, 246, .2);--status-maintaining: #93c5fd;--status-maintaining-border: #3b82f6;--status-archived-bg: rgba(113, 113, 122, .2);--status-archived: #a1a1aa;--status-archived-border: #71717a;--radius-sm: 4px;--radius: 5px;--radius-md: 6px;--radius-lg: 8px;--radius-xl: 12px;--radius-2xl: 16px}*,*:before,*:after{box-sizing:border-box;margin:0}body{font-family:system-ui,-apple-system,sans-serif;background:var(--bg-body);color:var(--text-body)}.app{min-height:100vh;background:var(--bg-body);color:var(--text-body);font-family:system-ui}.app-main{max-width:1400px;margin:0 auto;padding:2rem}.page-narrow{max-width:800px;margin:0 auto}.page-narrow-md{max-width:600px}.loading-screen{display:flex;align-items:center;justify-content:center;height:100vh;background:var(--bg-body);color:var(--text-body);font-family:system-ui}.flex{display:flex}.flex-col{display:flex;flex-direction:column}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;justify-content:space-between;align-items:center}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.items-start{align-items:flex-start}.items-baseline{align-items:baseline}.items-end{align-items:flex-end}.flex-1{flex:1}.min-w-0{min-width:0}.shrink-0{flex-shrink:0}.ml-auto{margin-left:auto}.gap-xs{gap:2px}.gap-sm{gap:4px}.gap-1{gap:.5rem}.gap-2{gap:.75rem}.gap-3{gap:1rem}.gap-4{gap:1.5rem}.text-right{text-align:right}.text-center{text-align:center}.cursor-pointer{cursor:pointer}.w-full{width:100%}.nowrap{white-space:nowrap}.truncate{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.navbar{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background:var(--bg-body);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}.navbar-brand{display:flex;align-items:center;gap:.75rem}.navbar-brand-text{font-size:1.5rem;font-weight:600;background:var(--navbar-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.navbar-email{margin-left:1rem;font-size:.85rem;color:var(--text-secondary)}.navbar-actions{display:flex;gap:.5rem;align-items:center}.nav-btn{padding:.5rem 1rem;border:none;border-radius:var(--radius-lg);cursor:pointer;background:transparent;color:var(--text-secondary)}.nav-btn.active{background:var(--accent-bg);color:#fff}.nav-btn-signout{padding:.5rem 1rem;background:var(--danger-bg);color:var(--danger-text);border:1px solid var(--danger-border);border-radius:var(--radius-lg);cursor:pointer;margin-left:.5rem}.streak-badge{display:inline-flex;align-items:center;gap:.35rem;padding:.3rem .7rem;border-radius:var(--radius-lg);background:linear-gradient(135deg,#f9731626,#eab30826);border:1px solid rgba(249,115,22,.25);margin-right:.5rem;font-size:.85rem;font-weight:600}.streak-count{background:linear-gradient(135deg,#f97316,#eab308);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.streak-label{color:var(--text-secondary);font-weight:400;font-size:.75rem}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-2xl);padding:1.5rem}.card-compact{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:1.25rem;cursor:pointer;transition:all .2s}.card-compact:hover{border-color:var(--accent-border)}.card-inner{padding:.75rem;background:var(--bg-input);border-radius:var(--radius-lg)}.card-section{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}.card-section-metronome{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:10px 14px;margin-bottom:12px}.section-label{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);margin-bottom:.75rem}.input{width:100%;padding:.75rem 1rem;background:var(--bg-input);border:1px solid var(--border-input);border-radius:var(--radius-lg);color:var(--text-body);font-size:.95rem;outline:none}.input-sm{width:100%;background:var(--bg-input);border:1px solid var(--border-input);border-radius:var(--radius);padding:5px 8px;color:var(--text-body);font-size:12px;outline:none;box-sizing:border-box}.input-inline{background:transparent;border:none;outline:none;padding:0}.field-label{color:var(--text-muted);font-size:9px;text-transform:uppercase;letter-spacing:.6px;display:block;margin-bottom:3px}.field-label-lg{display:block;margin-bottom:.5rem;font-size:.875rem;color:var(--text-secondary)}.detail-input{width:100%;background:var(--bg-input);border:1px solid var(--border-input);border-radius:var(--radius);padding:5px 8px;color:var(--text-input);font-size:12px;outline:none;box-sizing:border-box}.detail-textarea{width:100%;background:var(--bg-input);border:1px solid var(--border-input);border-radius:var(--radius);padding:5px 8px;color:var(--text-input);font-size:12px;outline:none;box-sizing:border-box;resize:vertical;min-height:44px}.btn{padding:.625rem 1.25rem;border:none;border-radius:var(--radius-lg);cursor:pointer;font-weight:500}.btn-primary{background:var(--accent);color:#fff;font-weight:600}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-danger{background:var(--danger-bg);color:var(--danger-text);border:1px solid var(--danger-border)}.btn-success{background:var(--success-bg-light);color:var(--success-light);border:1px solid var(--success-border)}.btn-accent-outline{background:var(--accent-bg);color:var(--accent);border:1px solid var(--accent-border)}.btn-icon{background:none;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center}.btn-icon-sm{background:none;border:1px solid var(--border-input);border-radius:var(--radius-sm);width:22px;height:22px;color:var(--text-dim);font-size:11px;cursor:pointer;display:flex;align-items:center;justify-content:center}.btn-sm{padding:3px 10px;border:none;border-radius:var(--radius-sm);font-size:10px;font-weight:600;cursor:pointer;color:var(--text-body);line-height:18px}.btn-toggle{padding:4px 10px;border-radius:var(--radius);font-size:12px;cursor:pointer;font-weight:500;transition:all .12s}.btn-toggle.active{background:var(--bg-active);color:var(--accent);border:1px solid var(--accent-border-subtle)}.btn-toggle.inactive{background:transparent;color:var(--text-dim);border:1px solid transparent}.btn-pill{border:none;border-radius:12px;padding:2px 8px;font-size:10px;cursor:pointer;text-transform:capitalize}.btn-pill.active{background:var(--bg-btn);color:var(--accent)}.btn-pill.inactive{background:transparent;color:var(--text-muted)}.btn-dashed{display:flex;align-items:center;gap:5px;background:none;border:1px dashed var(--border-btn);border-radius:7px;padding:7px 12px;width:100%;cursor:pointer;color:var(--text-muted);font-size:12px}.btn-scale{background:var(--bg-btn);border:1px solid var(--border-btn);border-radius:var(--radius-md);padding:5px 11px;color:var(--accent);font-size:11.5px;cursor:pointer;font-weight:500}.metro-btn{padding:4px 10px;border-radius:var(--radius);cursor:pointer;font-size:11.5px;transition:all .15s;min-width:38px}.metro-btn.active{border:1px solid var(--accent-border);background:var(--bg-active);color:var(--accent);font-weight:600}.metro-btn.inactive{border:1px solid var(--border-input);background:var(--bg-input);color:var(--text-dim);font-weight:400}.session-row{border-bottom:1px solid var(--border)}.session-row-main{display:flex;align-items:center;padding:0 14px;height:44px}.session-row-num{color:var(--text-faint);font-size:11px;width:22px;flex-shrink:0;-webkit-user-select:none;user-select:none}.session-row-name{color:var(--text-primary);font-size:13px;font-weight:500}.session-row-composer{color:var(--text-muted);font-size:11px;font-weight:400;margin-left:8px}.proportion-bar{height:2px;background:var(--bg-body)}.proportion-fill{height:100%;background:var(--accent);opacity:.3;border-radius:0 1px 1px 0;transition:width .3s ease}.session-detail{padding:12px 14px 14px 36px;display:flex;flex-direction:column;gap:10px;border-top:1px solid var(--border);background:var(--bg-deeper)}.session-detail-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px 12px}.session-col-target{width:180px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.session-col-done{width:60px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.session-col-feel{width:120px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.completed-placeholder{color:var(--text-faint);font-size:11px}.dur-arrow{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:8px;padding:0 2px;display:flex;align-items:center;line-height:1}.dur-input{width:28px;background:transparent;border:none;outline:none;font-size:13px;font-weight:500;text-align:center;padding:0}.dur-unit{color:var(--text-muted);font-size:11px;margin-left:1px}.done-btn{width:26px;height:26px;border-radius:var(--radius);cursor:pointer;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;transition:all .12s}.done-btn.checked{border:1.5px solid var(--success);background:var(--success-bg);color:var(--success)}.done-btn.unchecked{border:1px solid var(--border-btn);background:transparent;color:var(--text-faint)}.mood-btn{width:26px;height:26px;border-radius:var(--radius);cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;transition:all .12s}.mood-btn.active{border:1.5px solid var(--accent);background:var(--bg-active);opacity:1}.mood-btn.inactive{border:1px solid transparent;background:transparent;opacity:.35}.expand-btn{background:none;border:none;cursor:pointer;font-size:9px;width:20px;height:20px;display:flex;align-items:center;justify-content:center}.expand-btn.open{color:var(--accent)}.expand-btn.closed{color:var(--text-faint)}.remove-btn{background:none;border:none;color:var(--text-faint);cursor:pointer;font-size:17px;width:20px;height:20px;display:flex;align-items:center;justify-content:center;line-height:1}.table-header{display:flex;align-items:center;padding:0 14px;height:28px;border-bottom:1px solid var(--border);background:var(--bg-body)}.table-header-label{color:var(--text-faint);font-size:9px;text-transform:uppercase;letter-spacing:.7px;font-weight:600}.total-bar{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:12px 16px;margin-bottom:14px}.total-number{color:var(--accent);font-size:24px;font-weight:700;line-height:1}.total-number-success{color:var(--success);font-size:24px;font-weight:700;line-height:1}.total-label{color:var(--text-muted);font-size:11px}.total-dot{color:var(--text-faint);font-size:11px}.total-arrow{color:var(--text-faint);font-size:13px}.scale-input{width:54px;background:var(--bg-input);border:1px solid var(--accent-focus);border-radius:var(--radius);padding:5px 0;color:var(--text-body);font-size:16px;font-weight:500;outline:none;text-align:center}.key-btn{min-width:32px;height:26px;border-radius:var(--radius-sm);font-size:10.5px;font-weight:500;cursor:pointer;transition:all .12s;padding:0 5px}.key-btn.selected{background:var(--bg-active);color:var(--accent);border:1px solid var(--accent-border)}.key-btn.unselected{background:var(--bg-input);color:var(--text-dim);border:1px solid var(--border-input)}.quality-btn{padding:3px 10px;border-radius:var(--radius-sm);font-size:10.5px;font-weight:500;cursor:pointer;transition:all .12s}.quality-btn.selected{background:var(--bg-active);color:var(--accent);border:1px solid var(--accent-border)}.quality-btn.unselected{background:var(--bg-input);color:var(--text-dim);border:1px solid var(--border-input)}.template-panel{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;overflow:hidden;margin-bottom:18px}.template-tabbar{display:flex;align-items:center;padding:8px 12px;gap:5px;border-bottom:1px solid var(--border);flex-wrap:wrap}.template-filter{display:flex;align-items:center;padding:6px 12px;border-bottom:1px solid var(--border);gap:5px}.template-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(138px,1fr));gap:5px}.template-card-name{font-size:11.5px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding-right:12px}.template-card-meta{color:var(--text-muted);font-size:9.5px;margin-top:2px}.template-card-cat{color:var(--text-faint);margin-left:5px}.template-edit-form{border-top:1px solid var(--border);padding:10px 12px 12px;background:var(--bg-deeper)}.template-new-btn{background:transparent;color:var(--text-muted);border:1px dashed var(--border-btn);border-radius:var(--radius-md);padding:4px 9px;font-size:11px;cursor:pointer}.template-del-btn{position:absolute;top:3px;right:3px;background:var(--bg-btn);border:1px solid var(--border-btn);border-radius:var(--radius-sm);width:17px;height:17px;display:flex;align-items:center;justify-content:center;color:var(--danger-dark);font-size:11px;cursor:pointer;z-index:2;line-height:1}.history-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:1rem;cursor:pointer;transition:all .2s}.history-card:hover{border-color:var(--accent-border)}.item-tag{display:inline-flex;align-items:center;gap:.5rem;padding:.375rem .75rem;border-radius:var(--radius-md);font-size:.85rem}.item-tag-piece{background:var(--tag-piece-bg)}.item-tag-tech{background:var(--tag-tech-bg)}.delete-btn-sm{background:var(--danger-bg-light);border:1px solid var(--danger-border-light);border-radius:var(--radius-md);padding:.5rem;cursor:pointer;color:var(--danger-text);font-size:.9rem}.progress-track{flex:1;height:8px;background:var(--bg-input);border-radius:var(--radius-sm);overflow:hidden}.progress-fill{height:100%;background:var(--accent);border-radius:var(--radius-sm);transition:width .5s}.piece-card{padding:.75rem;background:var(--bg-input);border-radius:var(--radius-lg)}.neglected-item{display:flex;justify-content:space-between;padding:.5rem;background:var(--danger-bg-light);border-radius:var(--radius-md);border-left:3px solid var(--warning)}.session-grid-row{display:grid;grid-template-columns:110px 1fr auto;gap:1rem;padding:.75rem;background:var(--bg-input);border-radius:var(--radius-lg);align-items:center;cursor:pointer;transition:all .2s;border:1px solid transparent}.session-grid-row:hover{border-color:var(--accent-border)}.status-badge{font-size:.65rem;padding:.125rem .375rem;border-radius:3px;text-transform:uppercase;margin-left:.5rem;flex-shrink:0}.status-badge-lg{font-size:.75rem;padding:.25rem .5rem;border-radius:var(--radius-sm);text-transform:uppercase}.status-learning{background:var(--status-learning-bg);color:var(--status-learning)}.status-maintaining{background:var(--status-maintaining-bg);color:var(--status-maintaining)}.status-archived{background:var(--status-archived-bg);color:var(--status-archived)}.stat-card{text-align:center;padding:1.5rem}.stat-value{font-size:2rem;font-weight:700;color:var(--accent)}.stat-label{color:var(--text-secondary);font-size:.85rem;margin-top:.25rem}.bar-chart{display:flex;align-items:flex-end;gap:4px;height:150px;padding-top:20px}.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;height:100%}.range-btn{padding:.5rem 1rem;border-radius:var(--radius-md);cursor:pointer}.range-btn.active{border:1px solid var(--accent);background:var(--accent-bg);color:var(--text-body)}.range-btn.inactive{border:1px solid var(--border-input);background:transparent;color:var(--text-secondary)}.timer-row{display:flex;align-items:center;gap:8px;padding:6px 0;margin-top:4px}.timer-progress{flex:1;height:6px;background:var(--border-input);border-radius:3px;overflow:hidden;position:relative}.book-dropdown{position:absolute;top:100%;left:0;right:0;z-index:50;background:var(--bg-btn);border:1px solid var(--border-input);border-radius:var(--radius);max-height:150px;overflow-y:auto;margin-top:2px}.book-dropdown-item{padding:6px 8px;cursor:pointer;font-size:12px;color:var(--text-input);border-bottom:1px solid var(--border-input)}.book-dropdown-item:hover{background:var(--border-input)}.book-dropdown-author{color:var(--text-muted);margin-left:6px;font-size:11px}.settings-row{display:flex;align-items:center;gap:.75rem;padding:.75rem;background:var(--bg-input);border-radius:var(--radius-lg)}.color-dot{width:12px;height:12px;border-radius:50%}.completed-arrow{color:var(--text-faint);font-size:11px}.completed-value{color:var(--success);font-size:13px;font-weight:500}.completed-unit{color:var(--text-muted);font-size:11px}.text-accent{color:var(--accent)}.text-muted{color:var(--text-muted)}.text-dim{color:var(--text-dim)}.text-secondary{color:var(--text-secondary)}.text-faint{color:var(--text-faint)}.text-success{color:var(--success)}.text-warning{color:var(--warning)}.text-danger{color:var(--danger-text)}.font-semibold{font-weight:600}.font-bold{font-weight:700}.italic{font-style:italic}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:.75rem}.mb-3{margin-bottom:1rem}.mb-4{margin-bottom:1.5rem}.mb-6{margin-bottom:2rem}.mt-1{margin-top:.25rem}.mt-2{margin-top:.5rem}.scheme-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px}.scheme-card{display:flex;flex-direction:column;align-items:center;gap:8px;padding:12px;background:var(--bg-input);border:2px solid var(--border-input);border-radius:var(--radius-lg);cursor:pointer;transition:all .15s}.scheme-card:hover{border-color:var(--text-faint)}.scheme-card.active{border-color:var(--accent)}.scheme-preview{display:flex;gap:4px;align-items:center}.scheme-dot{width:16px;height:16px;border-radius:50%}.scheme-name{font-size:.8rem;color:var(--text-secondary);font-weight:500}