*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--indigo:#6366f1;--indigo-dark:#4f46e5;--green:#10b981;--bg:#f8fafc;--surface:#fff;--border:#e2e8f0;--text:#1e293b;--text-muted:#64748b;--shadow-sm:0 1px 3px #00000014, 0 1px 2px #0000000d;--shadow-md:0 4px 16px #00000014, 0 2px 6px #0000000d;--radius:16px;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Yu Gothic UI,Segoe UI,sans-serif;font-size:16px;line-height:1.6}body{min-height:100vh}.landing{background:linear-gradient(135deg,#eef2ff 0%,#f0fdf4 100%);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.landing-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-md);flex-direction:column;align-items:center;gap:20px;width:100%;max-width:420px;padding:48px 40px;display:flex}.landing-logo{color:var(--indigo)}.landing-title{letter-spacing:-.5px;color:var(--text);font-size:32px;font-weight:700}.landing-sub{color:var(--text-muted);margin-top:-12px;font-size:14px}.field{flex-direction:column;gap:6px;width:100%;display:flex}.field-label{color:var(--text-muted);font-size:13px;font-weight:600}.field-input{border:1.5px solid var(--border);width:100%;color:var(--text);background:var(--bg);border-radius:10px;outline:none;padding:12px 14px;font-size:15px;transition:border-color .2s}.field-input:focus{border-color:var(--indigo)}.field-code{text-align:center;letter-spacing:4px;font-size:20px;font-weight:700}.field-group{flex-direction:column;gap:12px;width:100%;display:flex}.btn{cursor:pointer;border:none;border-radius:10px;justify-content:center;align-items:center;gap:6px;width:100%;padding:12px 20px;font-size:15px;font-weight:600;text-decoration:none;transition:all .15s;display:inline-flex}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--indigo);color:#fff}.btn-primary:hover:not(:disabled){background:var(--indigo-dark)}.btn-secondary{color:var(--indigo);background:#eef2ff}.btn-secondary:hover:not(:disabled){background:#e0e7ff}.btn-ghost{color:var(--text-muted);border:1.5px solid var(--border);background:0 0}.btn-ghost:hover:not(:disabled){background:var(--bg)}.btn-link{color:var(--text-muted);background:0 0;font-size:14px;font-weight:500}.btn-link:hover{color:var(--text)}.btn-sm{width:auto;padding:8px 14px;font-size:13px}.mode-buttons{flex-direction:column;gap:10px;width:100%;display:flex}.error-msg{color:#ef4444;text-align:center;font-size:13px}.error-page,.loading-page{min-height:100vh;color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex}.error-page-msg{color:#ef4444;font-size:18px}.spinner{border:3px solid var(--border);border-top-color:var(--indigo);border-radius:50%;width:32px;height:32px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.room{flex-direction:column;min-height:100vh;display:flex}.room-header{background:var(--surface);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;padding:16px 24px;display:flex}.room-title{align-items:center;gap:10px;display:flex}.room-title h1{color:var(--text);font-size:20px;font-weight:700}.room-icon{color:var(--indigo);display:flex}.room-code{color:var(--text-muted);background:var(--bg);border:1px solid var(--border);letter-spacing:1px;border-radius:6px;padding:2px 8px;font-size:13px;font-weight:600}.room-actions{align-items:center;gap:8px;display:flex}.room-main{flex:1;grid-template-columns:1fr 1fr;align-items:start;gap:24px;padding:24px;display:grid}@media (width<=768px){.room-main{grid-template-columns:1fr}.room-header{flex-wrap:wrap;gap:10px}}.mode-toggle{background:var(--bg);border-radius:10px;gap:2px;width:100%;padding:3px;display:flex}.mode-tab{cursor:pointer;color:var(--text-muted);background:0 0;border:none;border-radius:8px;flex:1;padding:8px 12px;font-size:14px;font-weight:600;transition:all .15s}.mode-tab-active{background:var(--surface);color:var(--indigo);box-shadow:var(--shadow-sm)}.duration-picker{background:var(--bg);border-radius:10px;align-items:center;gap:6px;width:100%;padding:10px 14px;display:flex}.dur-btn{border:1.5px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;border-radius:6px;padding:4px 10px;font-size:13px;font-weight:700;transition:all .15s}.dur-btn:hover{border-color:var(--indigo);color:var(--indigo);background:#eef2ff}.dur-input{text-align:center;border:1.5px solid var(--border);width:56px;color:var(--text);background:var(--surface);-moz-appearance:textfield;border-radius:6px;outline:none;padding:4px 6px;font-size:18px;font-weight:700}.dur-input::-webkit-outer-spin-button{-webkit-appearance:none}.dur-input::-webkit-inner-spin-button{-webkit-appearance:none}.dur-input:focus{border-color:var(--indigo)}.dur-unit{color:var(--text-muted);margin-right:auto;font-size:14px;font-weight:600}.timer-done{color:#10b981;letter-spacing:-1px;font-size:38px;font-weight:800}.timer-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-md);flex-direction:column;align-items:center;gap:20px;padding:32px 24px;display:flex}.timer-phase-badge{letter-spacing:1px;text-transform:uppercase;border-radius:99px;padding:4px 14px;font-size:13px;font-weight:700}.timer-phase-badge.work{color:var(--indigo);background:#eef2ff}.timer-phase-badge.break{color:#065f46;background:#d1fae5}.timer-ring-wrap{width:220px;height:220px;position:relative}.timer-ring{position:absolute;top:0;left:0}.timer-display{flex-direction:column;justify-content:center;align-items:center;gap:4px;display:flex;position:absolute;inset:0}.timer-time{letter-spacing:-2px;color:var(--text);font-variant-numeric:tabular-nums;font-size:52px;font-weight:700}.timer-label-min{color:var(--text-muted);font-size:13px}.subject-wrap{width:100%}.subject-input{border:1.5px solid var(--border);width:100%;color:var(--text);background:var(--bg);text-align:center;border-radius:10px;outline:none;padding:10px 14px;font-size:14px;transition:border-color .2s}.subject-input:focus{border-color:var(--indigo)}.subject-input::placeholder{color:#94a3b8}.timer-controls{gap:10px;width:100%;display:flex}.timer-controls .btn{flex:1}.btn-timer{padding:14px 20px;font-size:16px}.btn-start{background:var(--indigo);color:#fff}.btn-start:hover{background:var(--indigo-dark)}.btn-pause{color:#92400e;background:#fef3c7;border:1.5px solid #fde68a}.btn-pause:hover{background:#fde68a}.btn-save-partial{color:#166534;background:#f0fdf4;border:1.5px dashed #86efac;width:100%;padding:10px 16px;font-size:14px}.btn-save-partial:hover{background:#dcfce7;border-color:#4ade80}.timer-stats{background:var(--bg);border-radius:10px;align-items:center;gap:24px;width:100%;padding:16px 24px;display:flex}.timer-stat{flex-direction:column;flex:1;align-items:center;gap:2px;display:flex}.timer-stat-value{color:var(--text);font-size:20px;font-weight:700}.timer-stat-label{color:var(--text-muted);font-size:12px}.timer-stat-divider{background:var(--border);width:1px;height:36px}.stats-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-md);flex-direction:column;gap:16px;padding:24px;display:flex}.stats-header{justify-content:space-between;align-items:center;display:flex}.stats-header h2{color:var(--text);font-size:18px;font-weight:700}.stats-loading{justify-content:center;padding:32px 0;display:flex}.stats-empty{color:var(--text-muted);flex-direction:column;align-items:center;gap:10px;padding:32px 0;display:flex}.stats-empty p{font-size:15px}.stats-empty-sub{font-size:13px}.stats-list{flex-direction:column;gap:12px;list-style:none;display:flex}.stats-item{background:var(--bg);border-radius:10px;align-items:center;gap:10px;padding:12px 14px;transition:background .15s;display:flex}.stats-item-me{background:#eef2ff}.stats-rank{color:var(--text-muted);text-align:center;min-width:24px;font-size:13px;font-weight:700}.stats-info{flex-direction:column;flex:1;gap:6px;display:flex}.stats-name-row{align-items:center;gap:6px;display:flex}.stats-name{color:var(--text);font-size:15px;font-weight:600}.stats-badge{background:var(--indigo);color:#fff;border-radius:99px;padding:1px 7px;font-size:11px;font-weight:700}.stats-bar-track{background:var(--border);border-radius:99px;height:6px;overflow:hidden}.stats-bar{background:linear-gradient(90deg, var(--indigo), #818cf8);border-radius:99px;height:100%;transition:width .5s}.stats-item-me .stats-bar{background:linear-gradient(90deg, var(--indigo), #a5b4fc)}.stats-time{color:var(--text);text-align:right;min-width:60px;font-size:15px;font-weight:700}.stats-total{border-top:1px solid var(--border);color:var(--text-muted);justify-content:flex-end;gap:6px;padding:12px 14px;font-size:14px;display:flex}.stats-total strong{color:var(--text)}.stats-updated{color:var(--text-muted);text-align:right;font-size:12px}.stats-auto{opacity:.6}.room-right{flex-direction:column;gap:16px;display:flex}.tl-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-md);flex-direction:column;gap:14px;padding:24px;display:flex}.tl-title{color:var(--text);font-size:18px;font-weight:700}.tl-list{flex-direction:column;gap:10px;list-style:none;display:flex}.tl-item{background:var(--bg);border-radius:10px;align-items:center;gap:12px;padding:12px 14px;transition:background .15s;display:flex}.tl-item-active{background:#f5f3ff}.tl-item-me{outline:1.5px solid var(--indigo);outline-offset:-1.5px}.tl-status{flex-shrink:0;align-items:center;display:flex}.tl-dot{border-radius:50%;flex-shrink:0;width:10px;height:10px}.tl-dot-on{background:#22c55e;animation:1.5s ease-out infinite pulse-green;box-shadow:0 0 #22c55e99}.tl-dot-off{background:#cbd5e1}@keyframes pulse-green{0%{box-shadow:0 0 #22c55e99}70%{box-shadow:0 0 0 6px #22c55e00}to{box-shadow:0 0 #22c55e00}}.tl-body{flex-direction:column;flex:1;gap:3px;min-width:0;display:flex}.tl-name-row{align-items:center;gap:6px;display:flex}.tl-name{color:var(--text);font-size:15px;font-weight:600}.tl-subject{color:var(--indigo);white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:500;overflow:hidden}.tl-elapsed{font-size:12px}.tl-running{color:#16a34a;font-weight:600}.tl-paused{color:#92400e}.tl-idle{color:#94a3b8}.tl-stale{color:#94a3b8;font-style:italic}.tl-ring-mini{flex-shrink:0}.tl-mode-badge{color:var(--indigo);background:#e0e7ff;border-radius:99px;padding:1px 6px;font-size:11px;font-weight:700}