:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--page:#f9f9f7;--surface-1:#fcfcfb;--text-primary:#0b0b0b;--text-secondary:#52514e;--text-muted:#898781;--gridline:#e1e0d9;--baseline:#c3c2b7;--border:#0b0b0b1a;--wash:#0b0b0b0a;--series-1:#2a78d6;--series-2:#eb6834;--series-3:#1baf7a;--series-4:#eda100;--series-5:#e87ba4;--series-6:#008300;--series-7:#4a3aa7;--series-8:#e34948;--track:#cde2fb;--good:#0ca30c;--shadow:0 1px 2px #0b0b0b0d, 0 8px 24px #0b0b0b0d;--radius:14px;--font:system-ui, -apple-system, "Segoe UI", "Noto Sans KR", sans-serif}@media (prefers-color-scheme:dark){:root:where(:not([data-theme=light])){--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--page:#0d0d0d;--surface-1:#1a1a19;--text-primary:#fff;--text-secondary:#c3c2b7;--text-muted:#898781;--gridline:#2c2c2a;--baseline:#383835;--border:#ffffff1a;--wash:#ffffff0f;--series-1:#3987e5;--series-2:#d95926;--series-3:#199e70;--series-4:#c98500;--series-5:#d55181;--series-6:#008300;--series-7:#9085e9;--series-8:#e66767;--track:#184f95;--good:#0ca30c;--shadow:0 1px 2px #0006, 0 8px 24px #0000004d}}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--page:#0d0d0d;--surface-1:#1a1a19;--text-primary:#fff;--text-secondary:#c3c2b7;--text-muted:#898781;--gridline:#2c2c2a;--baseline:#383835;--border:#ffffff1a;--wash:#ffffff0f;--series-1:#3987e5;--series-2:#d95926;--series-3:#199e70;--series-4:#c98500;--series-5:#d55181;--series-6:#008300;--series-7:#9085e9;--series-8:#e66767;--track:#184f95;--good:#0ca30c;--shadow:0 1px 2px #0006, 0 8px 24px #0000004d}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--page);color:var(--text-primary);font-family:var(--font);-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.5}button{font:inherit;cursor:pointer}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.app{max-width:1080px;margin:0 auto;padding:28px 20px 72px}.app-header{justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;display:flex}.brand{align-items:baseline;gap:10px;display:flex}.brand h1{letter-spacing:.14em;margin:0;font-size:19px;font-weight:650}.brand .tagline{color:var(--text-muted);font-size:13px}.theme-toggle{border:1px solid var(--border);background:var(--surface-1);color:var(--text-secondary);border-radius:999px;align-items:center;gap:7px;padding:7px 13px;font-size:13px;display:inline-flex}.theme-toggle:hover{background:var(--wash)}.grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;display:grid}.grid .span-2{grid-column:1/-1}.col{flex-direction:column;gap:18px;min-width:0;display:flex}@media (width<=780px){.grid{grid-template-columns:minmax(0,1fr)}}.card{background:var(--surface-1);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.card-head{justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:16px;display:flex}.card-title{color:var(--text-primary);margin:0;font-size:14px;font-weight:600}.card-sub{color:var(--text-muted);margin:3px 0 0;font-size:12.5px}.timer-card{flex-direction:column;justify-content:center;align-items:center;gap:18px;display:flex}.mode-switch{border:1px solid var(--border);background:var(--wash);border-radius:999px;gap:3px;padding:3px;display:inline-flex}.mode-switch button{color:var(--text-secondary);background:0 0;border:0;border-radius:999px;padding:6px 16px;font-size:13px}.mode-switch button[aria-pressed=true]{background:var(--surface-1);color:var(--text-primary);font-weight:600;box-shadow:0 1px 2px #00000014}.dial{width:232px;height:232px;position:relative}.dial svg{display:block;transform:rotate(-90deg)}.dial-face{flex-direction:column;justify-content:center;align-items:center;gap:6px;display:flex;position:absolute;inset:0}.dial-time{letter-spacing:-.02em;font-size:47px;font-weight:600;line-height:1}.dial-state{color:var(--text-secondary);align-items:center;gap:7px;font-size:13px;display:inline-flex}.dot{border-radius:50%;flex:none;width:8px;height:8px}.dot.pulsing{animation:1.8s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.35}}@media (prefers-reduced-motion:reduce){.dot.pulsing{animation:none}.dial svg circle{transition:none!important}}.controls{gap:10px;display:flex}.btn{border:1px solid var(--border);background:var(--surface-1);color:var(--text-primary);border-radius:10px;padding:10px 22px;font-size:14px;font-weight:550}.btn:hover:not(:disabled){background:var(--wash)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.primary{background:var(--series-1);color:#fff;border-color:#0000}.btn.primary:hover:not(:disabled){filter:brightness(1.08)}.presets{flex-wrap:wrap;justify-content:center;gap:6px;display:flex}.chip{border:1px solid var(--border);color:var(--text-secondary);background:0 0;border-radius:999px;padding:5px 12px;font-size:12.5px}.chip:hover{background:var(--wash)}.chip[aria-pressed=true]{border-color:var(--series-1);color:var(--series-1);font-weight:600}.subject-row{flex-wrap:wrap;justify-content:center;gap:6px;display:flex}.subject-chip{border:1px solid var(--border);color:var(--text-secondary);background:0 0;border-radius:999px;align-items:center;gap:7px;padding:6px 13px;font-size:13px;display:inline-flex}.subject-chip:hover{background:var(--wash)}.subject-chip[aria-pressed=true]{color:var(--text-primary);background:var(--wash);border-color:currentColor;font-weight:600}.stat-row{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.stat{min-width:0}.stat-label{color:var(--text-muted);margin-bottom:5px;font-size:12.5px}.stat-value{letter-spacing:-.01em;font-size:25px;font-weight:600;line-height:1.15}.stat-value .unit{color:var(--text-secondary);margin:0 1px 0 2px;font-size:15px;font-weight:500}.stat-delta{color:var(--text-muted);margin-top:3px;font-size:12px}.hero .stat-value{font-size:52px}.hero .stat-value .unit{font-size:20px}@media (width<=620px){.stat-row{grid-template-columns:minmax(0,1fr);gap:18px}}.chart-wrap{position:relative}.chart-wrap svg{width:100%;height:auto;display:block;overflow:visible}.tick{fill:var(--text-muted);font-size:11px}.tick.strong{fill:var(--text-secondary);font-weight:600}.tooltip{z-index:5;pointer-events:none;border:1px solid var(--border);background:var(--surface-1);box-shadow:var(--shadow);white-space:nowrap;color:var(--text-primary);border-radius:8px;padding:7px 10px;font-size:12.5px;position:absolute;transform:translate(-50%,-100%)}.tooltip .tt-label{color:var(--text-muted);margin-right:8px}.tooltip .tt-value{font-variant-numeric:tabular-nums;font-weight:600}.breakdown{flex-direction:column;gap:13px;display:flex}.breakdown-row{grid-template-columns:1fr auto;align-items:center;gap:4px 12px;display:grid}.breakdown-name{color:var(--text-secondary);align-items:center;gap:8px;min-width:0;font-size:13px;display:inline-flex}.breakdown-name span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.breakdown-value{font-variant-numeric:tabular-nums;color:var(--text-primary);font-size:13px;font-weight:600}.breakdown-track{background:var(--wash);border-radius:5px;grid-column:1/-1;height:10px;overflow:hidden}.breakdown-fill{border-radius:0 5px 5px 0;height:100%;transition:width .3s}.table{border-collapse:collapse;width:100%;font-size:13px}.table th{text-align:left;color:var(--text-muted);border-bottom:1px solid var(--gridline);padding:0 10px 8px 0;font-size:12px;font-weight:600}.table td{border-bottom:1px solid var(--gridline);color:var(--text-secondary);padding:9px 10px 9px 0}.table td:first-child{color:var(--text-primary)}.table .num{text-align:right;font-variant-numeric:tabular-nums;padding-right:0}.table tr:last-child td{border-bottom:0}.row-delete{color:var(--text-muted);background:0 0;border:0;border-radius:6px;padding:2px 6px;font-size:15px;line-height:1}.row-delete:hover{background:var(--wash);color:var(--series-8)}.empty{text-align:center;color:var(--text-muted);padding:26px 0;font-size:13px}.link-btn{color:var(--text-secondary);text-underline-offset:3px;background:0 0;border:0;padding:0;font-size:12.5px;text-decoration:underline}.link-btn:hover{color:var(--text-primary)}.subject-manage{gap:8px;margin-top:14px;display:flex}.subject-manage input{border:1px solid var(--border);background:var(--page);min-width:0;color:var(--text-primary);font:inherit;border-radius:9px;flex:1;padding:8px 12px;font-size:13px}.subject-manage input:focus{outline:2px solid var(--series-1);outline-offset:1px}.legend{border-top:1px solid var(--gridline);flex-wrap:wrap;gap:6px 16px;margin-top:14px;padding-top:13px;display:flex}.legend-item{color:var(--text-secondary);align-items:center;gap:7px;font-size:12.5px;display:inline-flex}.app-footer{text-align:center;color:var(--text-muted);margin-top:28px;font-size:12px}