:root{--bg:#fff;--surface:#fafafa;--surface-elevated:#f4f4f5;--text:#09090b;--text-secondary:#52525b;--muted:#71717a;--muted-decorative:#a1a1aa;--text-inverse:#fff;--text-muted-inv:#fff9;--border:#e4e4e7;--border-subtle:#f4f4f5;--border-strong:#d4d4d8;--border-dark:#ffffff1a;--accent:#2563eb;--accent-hover:#1d4ed8;--accent-soft:#eff6ff;--accent-line:#3b82f6;--on-accent:#fff;--brand:#2563eb;--brand-2:#4f46e5;--on-brand:#fff;--on-brand-muted:#ffffffeb;--shadow-brand:0 8px 22px #2563eb3d;--danger:#e11d48;--on-danger:#fff;--success:#15803d;--success-soft:#f0fdf4;--on-success:#fff;--warn:#f59e0b;--warn-text:#92620a;--on-warn:#09090b;--tint-green-bg:#f0fdf4;--tint-green-border:#dcfce7;--tint-blue-bg:#eff6ff;--tint-blue-border:#dbeafe;--tint-purple-bg:#fdf4ff;--tint-purple-border:#fae8ff;--tint-orange-bg:#fff7ed;--tint-orange-border:#ffedd5;--cal-tint-1:#eff6ff;--cal-tint-2:#dbeafe;--cal-tint-3:#bfdbfe;--cal-tint-border:#93c5fd;--cal-exam-bg:#fef2f2;--cal-exam-border:#fecaca;--cal-exam-text:#dc2626;--cell-dark-bg:#09090b;--cell-dark-text:#fff;--cell-dark-border:#ffffff1a;--radius-sm:8px;--radius:12px;--radius-lg:16px;--radius-xl:20px;--radius-2xl:24px;--radius-full:9999px;--gap:12px;--tap:44px;--bento-gap:12px;--cell-pad:20px;--shadow-sm:0 1px 4px #0000000d, 0 1px 2px #00000008;--shadow-md:0 4px 12px #00000014;--font-heading:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", sans-serif;--font-body:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", sans-serif}:root[data-theme=dark]{--bg:#09090b;--surface:#18181b;--surface-elevated:#27272a;--text:#fafafa;--text-secondary:#d4d4d8;--muted:#a1a1aa;--muted-decorative:#71717a;--text-inverse:#09090b;--text-muted-inv:#09090b99;--border:#3f3f46;--border-subtle:#27272a;--border-strong:#52525b;--border-dark:#09090b1a;--accent:#60a5fa;--accent-hover:#93c5fd;--accent-soft:#1e2a3f;--accent-line:#60a5fa;--on-accent:#09090b;--brand:#2563eb;--brand-2:#4f46e5;--on-brand:#fff;--on-brand-muted:#ffffffeb;--shadow-brand:0 8px 24px #2563eb61;--danger:#f87171;--on-danger:#09090b;--success:#4ade80;--success-soft:#14251a;--on-success:#09090b;--warn:#fbbf24;--warn-text:#fbbf24;--on-warn:#09090b;--tint-green-bg:#14251a;--tint-green-border:#1f3a2a;--tint-blue-bg:#17233a;--tint-blue-border:#22335a;--tint-purple-bg:#241a33;--tint-purple-border:#38264d;--tint-orange-bg:#2a1d12;--tint-orange-border:#45301c;--cal-tint-1:#17233a;--cal-tint-2:#1e3358;--cal-tint-3:#2a4a80;--cal-tint-border:#3c63a6;--cal-exam-bg:#34161a;--cal-exam-border:#5a2429;--cal-exam-text:#fca5a5;--cell-dark-bg:#fafafa;--cell-dark-text:#09090b;--cell-dark-border:#09090b1a;--shadow-sm:0 2px 8px #00000052;--shadow-md:0 4px 16px #0006}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);min-height:100vh;color:var(--text);font-family:var(--font-body);-webkit-tap-highlight-color:transparent;margin:0;font-size:1rem;line-height:1.5}h1,h2,h3{font-family:var(--font-heading);color:var(--text);letter-spacing:-.02em;margin:0 0 var(--gap);font-weight:700;line-height:1.2}h1{font-size:1.75rem}h2{font-size:1.375rem}h3{font-size:1.125rem}p{margin:0 0 var(--gap)}a{color:var(--accent)}.btn{min-height:var(--tap);min-width:var(--tap);border:1px solid var(--border);border-radius:var(--radius-full);background:var(--bg);color:var(--text);font-family:var(--font-body);cursor:pointer;justify-content:center;align-items:center;gap:8px;padding:10px 22px;font-size:.9375rem;font-weight:600;line-height:1.2;transition:background-color .15s,border-color .15s;display:inline-flex}.btn:hover{border-color:var(--border-strong);background:var(--surface-elevated)}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn-primary{border-color:var(--accent);background:var(--accent);color:var(--on-accent)}.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.btn-danger{border-color:var(--danger);background:var(--danger);color:var(--on-danger)}.btn-icon{width:var(--tap);height:var(--tap);min-width:var(--tap);min-height:var(--tap);flex:none;padding:0}.btn-icon svg{flex:none;display:block}.icon-glyph{font-family:var(--font-body);font-weight:700}.chip{min-height:var(--tap);min-width:var(--tap);border:1px solid var(--border);border-radius:var(--radius-full);background:var(--surface);color:var(--text);font-family:var(--font-body);cursor:pointer;justify-content:center;align-items:center;padding:8px 16px;font-size:.9375rem;font-weight:500;transition:background-color .15s,border-color .15s;display:inline-flex}.chip:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.chip[aria-pressed=true]{background:var(--accent-soft);border-color:var(--accent-line);font-weight:600}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--cell-pad);transition:box-shadow .15s,border-color .15s;overflow:hidden}.card:hover{box-shadow:var(--shadow-sm);border-color:var(--border-strong)}.field{margin-bottom:var(--gap);flex-direction:column;gap:4px;display:flex}.field label{color:var(--text-secondary);font-size:.75rem;font-weight:600}.field input,.field textarea,.field select{min-height:var(--tap);border-radius:var(--radius);background:var(--surface-elevated);color:var(--text);font-family:var(--font-body);border:1px solid #0000;padding:11px 13px;font-size:1rem}.field input::placeholder,.field textarea::placeholder{color:var(--muted)}.field textarea{min-height:calc(var(--tap) * 2);resize:vertical}.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}.field .hint{color:var(--muted);font-size:.8125rem}.table{border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;overflow:hidden}.table th,.table td{text-align:left;border-bottom:1px solid var(--border-subtle);padding:10px 12px;font-size:.9375rem}.table th{font-family:var(--font-body);color:var(--text-secondary);background:var(--surface-elevated);font-weight:600}.table tr:last-child td{border-bottom:none}.status-bar{z-index:10;min-height:36px;padding:6px var(--gap);background:var(--surface);border-bottom:1px solid var(--border-subtle);color:var(--text-secondary);text-align:center;justify-content:center;align-items:center;gap:8px;font-size:.875rem;display:flex;position:sticky;top:0}.status-bar[hidden]{display:none}.status-bar[data-offline=true]{background:var(--warn);color:var(--on-warn);border-bottom-color:var(--warn)}.calendar-grid{grid-template-columns:repeat(7,1fr);gap:4px;display:grid}.calendar-grid>*{aspect-ratio:1;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);cursor:pointer;flex-direction:column;justify-content:center;align-items:center;font-size:.8125rem;transition:background-color .15s,border-color .15s;display:flex}.calendar-grid>:hover{background:var(--surface-elevated);border-color:var(--border-strong)}.bento{gap:var(--bento-gap);grid-template-columns:repeat(2,1fr);display:grid}.cell{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--cell-pad);transition:box-shadow .15s,border-color .15s;overflow:hidden}.cell:hover{box-shadow:var(--shadow-sm);border-color:var(--border-strong)}.cell-full{grid-column:1/-1}.cell-half,.cell-tiny{grid-column:span 1}.cell-tall{grid-row:span 2}.cell-dark{background:var(--cell-dark-bg);border-color:var(--cell-dark-border);color:var(--cell-dark-text)}.cell-dark .cell-label,.cell-dark .cell-sub{color:var(--text-muted-inv)}.cell-brand{background:linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);color:var(--on-brand);border-radius:var(--radius-xl);text-align:center;box-shadow:var(--shadow-brand);border-color:#0000;padding:26px 20px}.cell-brand:hover{box-shadow:var(--shadow-brand);border-color:#0000}.cell-brand .cell-number{letter-spacing:-.04em;margin:6px 0 2px;font-size:3.8rem}.cell-brand .cell-label,.cell-brand .cell-unit,.cell-brand .cell-sub{color:var(--on-brand-muted)}.cell-brand .cell-label{letter-spacing:.08em;margin-top:0}.cell-note{padding:13px 14px}.cell-note .cell-kicker{font-size:.8125rem}.cell-note .cell-sub{color:var(--text-secondary);margin-top:3px;line-height:1.5}.cell-accent-green{background:var(--tint-green-bg);border-color:var(--tint-green-border)}.cell-accent-blue{background:var(--tint-blue-bg);border-color:var(--tint-blue-border)}.cell-accent-purple{background:var(--tint-purple-bg);border-color:var(--tint-purple-border)}.cell-accent-orange{background:var(--tint-orange-bg);border-color:var(--tint-orange-border)}.cell-number{letter-spacing:-.03em;font-size:2.5rem;font-weight:700;line-height:1}.cell-label{color:var(--muted);margin-top:4px;font-size:.75rem}.cell-kicker{font-size:1.25rem;font-weight:700;line-height:1.2}.cell-sub{color:var(--muted);margin-top:2px;font-size:.72rem}.cell-unit{color:var(--muted);font-size:.85rem}@media (width>=720px){.bento{grid-template-columns:repeat(4,1fr)}.cell-half,.cell-small{grid-column:span 2}.cell-medium{grid-area:span 2/span 2}.cell-wide{grid-column:span 3}.cell-large{grid-area:span 2/span 3}.cell-hero{grid-area:span 2/span 4}}.login-shell{width:100%;max-width:380px;margin:0 auto}.login-bar{justify-content:space-between;align-items:flex-start;gap:var(--gap);margin-bottom:22px;display:flex}.login-brand{min-width:0}.login-brand-year{letter-spacing:-.01em;color:var(--accent);font-size:1.3rem;font-weight:800;line-height:1.15}.login-brand-name{letter-spacing:-.01em;color:var(--text);overflow-wrap:anywhere;margin:0;font-size:1.02rem;font-weight:700;line-height:1.3}.login-tools{flex:none;gap:7px;display:flex}.login-tools .btn{padding:8px 14px;font-size:.8125rem}.login-tools .btn-icon{width:var(--tap);height:var(--tap);padding:0}.login-hero{margin-bottom:22px}.login-notes{margin-top:22px}.install-pop{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-md);margin-top:18px;padding:16px 16px 14px;animation:.22s ease-out both install-pop-in;position:relative}@keyframes install-pop-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.install-pop-close{width:var(--tap);height:var(--tap);border-radius:var(--radius-full);color:var(--muted);cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;padding:0;display:inline-flex;position:absolute;top:4px;right:4px}.install-pop-close:hover{color:var(--text);background:var(--surface-elevated)}.install-pop-close:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.install-pop-head{align-items:flex-start;gap:12px;padding-right:38px;display:flex}.install-pop-icon{border-radius:var(--radius);background:var(--accent-soft);width:40px;height:40px;color:var(--accent);flex:none;justify-content:center;align-items:center;display:inline-flex}.install-pop-headtext{min-width:0}.install-pop-title{color:var(--text);font-size:.9375rem;font-weight:700;line-height:1.3}.install-pop-body{color:var(--text-secondary);margin:4px 0 0;font-size:.8125rem;line-height:1.55}.install-pop-actions{gap:8px;margin-top:14px;display:flex}.install-pop-actions .btn{flex:1;padding:10px 14px;font-size:.875rem}.install-pop-hint,.install-pop-note{color:var(--text-secondary);margin:12px 0 0;font-size:.8125rem;line-height:1.55}.install-steps-title{color:var(--text);margin-top:14px;font-size:.8125rem;font-weight:700}.install-steps{gap:8px;margin:8px 0 0;padding:0;list-style:none;display:grid}.install-step{border-radius:var(--radius);background:var(--surface-elevated);align-items:center;gap:10px;padding:10px 12px;display:flex}.install-step-num{border-radius:var(--radius-full);background:var(--accent);width:22px;height:22px;color:var(--on-accent);flex:none;justify-content:center;align-items:center;font-size:.75rem;font-weight:700;display:inline-flex}.install-step-glyph{color:var(--accent);flex:none;display:inline-flex}.install-step-text{min-width:0;color:var(--text-secondary);font-size:.8125rem;line-height:1.45}.install-done{border-radius:var(--radius);background:var(--success-soft);color:var(--success);text-align:center;margin:18px 0 0;padding:12px 14px;font-size:.8125rem;font-weight:600}.login-credit{text-align:center;color:var(--muted);margin:24px 0 0;font-size:.75rem}.cal-shell{padding-bottom:calc(78px + env(safe-area-inset-bottom,0px))}.cal-bar{justify-content:space-between;align-items:flex-start;gap:var(--gap);margin-bottom:14px;display:flex}.cal-who{min-width:0}.cal-name{overflow-wrap:anywhere;font-size:.95rem;font-weight:700;line-height:1.3}.cal-sub{color:var(--muted);overflow-wrap:anywhere;font-size:.72rem}.cal-tools{flex:none;gap:7px;display:flex}.cal-stats{margin-bottom:16px}.cal-stat{text-align:left;border-radius:var(--radius-lg);padding:13px 14px}.cal-stat-n{letter-spacing:-.02em;font-size:1.75rem;font-weight:800;line-height:1}.cal-stat-l{color:var(--muted);margin-top:4px;font-size:.7rem}.cell-brand .cal-stat-l{color:var(--on-brand-muted)}.cal-nav{justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px;display:flex}.cal-month{margin:0;font-size:1.05rem;font-weight:700}.cal-navbtn{border-radius:var(--radius);color:var(--text-secondary);font-size:1.35rem;line-height:1}.cal-dow{grid-template-columns:repeat(7,1fr);gap:4px;margin-bottom:5px;display:grid}.cal-dow span{color:var(--muted);text-align:center;padding:3px 0;font-size:.68rem}.calendar-grid>.cal-day{border-color:var(--border-subtle);border-radius:var(--radius);padding:3px 2px 9px;font-family:inherit;position:relative;overflow:hidden}.calendar-grid>button.cal-day:hover{border-color:var(--border-strong)}.calendar-grid>div.cal-day{cursor:default}.calendar-grid>div.cal-day:not(.is-exam):not(.lv1):not(.lv2):not(.lv3):hover{background:var(--surface);border-color:var(--border-subtle)}.calendar-grid>.cal-day:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.cal-day-num{font-size:.8rem;font-weight:600;line-height:1.15}.cal-day-h{color:var(--accent);font-size:.62rem;font-weight:700;line-height:1.15}.cal-day.lv2 .cal-day-h,.cal-day.lv3 .cal-day-h{color:var(--accent-hover)}.cal-day-exam{max-width:100%;color:var(--cal-exam-text);white-space:nowrap;text-overflow:ellipsis;padding:0 2px;font-size:.55rem;line-height:1.15;overflow:hidden}.cal-day-mood{font-size:.6rem;line-height:1;position:absolute;top:2px;right:3px}.cal-day-marks{justify-content:center;gap:3px;display:flex;position:absolute;bottom:4px;left:0;right:0}.cal-dot{border-radius:var(--radius-full);background:var(--warn);width:5px;height:5px}.cal-dot-pending{border:1.5px solid var(--text-secondary);background:0 0;width:7px;height:7px}.cal-day.lv1{background:var(--cal-tint-1);border-color:var(--cal-tint-1)}.cal-day.lv2{background:var(--cal-tint-2);border-color:var(--cal-tint-2)}.cal-day.lv3{background:var(--cal-tint-3);border-color:var(--cal-tint-border)}.cal-day.is-exam{background:var(--cal-exam-bg);border-color:var(--cal-exam-border)}.cal-day.is-exam .cal-day-num{color:var(--cal-exam-text)}.cal-day.is-out{color:var(--muted);opacity:.55}.cal-day.is-today{outline:2px solid var(--accent);outline-offset:-2px}.cal-legend{color:var(--muted);flex-wrap:wrap;align-items:center;gap:12px;margin-top:11px;font-size:.68rem;display:flex}.cal-legend>span{align-items:center;gap:4px;display:inline-flex}.cal-swatch{border:1px solid var(--border-subtle);border-radius:4px;width:11px;height:11px;display:inline-block}.cal-swatch.lv1{background:var(--cal-tint-1)}.cal-swatch.lv2{background:var(--cal-tint-2)}.cal-swatch.lv3{background:var(--cal-tint-3)}.cal-tabbar{z-index:15;padding:6px 0 calc(8px + env(safe-area-inset-bottom,0px));background:var(--bg);border-top:1px solid var(--border-subtle);grid-template-columns:repeat(4,1fr);display:grid;position:fixed;bottom:0;left:0;right:0}.cal-tab{min-height:var(--tap);color:var(--muted);cursor:pointer;background:0 0;border:0;flex-direction:column;align-items:center;gap:2px;padding:4px 2px;font-family:inherit;font-size:.66rem;display:flex}.cal-tab.is-active{color:var(--accent);font-weight:700}.cal-tab.is-soon{opacity:.6}.cal-tab:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.cal-tab-icon{display:inline-flex}.cal-toast{bottom:calc(84px + env(safe-area-inset-bottom,0px));z-index:20;border-radius:var(--radius-full);background:var(--text);color:var(--bg);box-shadow:var(--shadow-md);margin:0;padding:8px 16px;font-size:.8125rem;position:fixed;left:50%;transform:translate(-50%)}.day-shell{padding-bottom:calc(88px + env(safe-area-inset-bottom,0px))}.day-shell.is-readonly{padding-bottom:var(--gap)}.day-top{align-items:center;gap:10px;margin-bottom:6px;display:flex}.day-back{border-radius:var(--radius);color:var(--text-secondary);flex:none;font-size:1.35rem;line-height:1}.day-dt{min-width:0}.day-dt-main{overflow-wrap:anywhere;font-size:1.1rem;font-weight:700;line-height:1.2}.day-dt-sub{color:var(--muted);overflow-wrap:anywhere;font-size:.72rem}.day-tot{text-align:right;flex:none;margin-left:auto}.day-tot-n{color:var(--accent);letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-size:1.5rem;font-weight:800;line-height:1}.day-tot-l{color:var(--muted);margin-top:3px;font-size:.68rem}.day-sec{color:var(--muted);letter-spacing:.04em;margin:18px 0 8px;font-size:.78rem;font-weight:700}.day-subjects{gap:8px;display:grid}.day-row{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);background:var(--surface);padding:6px 6px 6px 12px}.day-row-main{align-items:center;gap:8px;display:flex}.day-row.is-ro{padding:10px 12px}.day-row-name{overflow-wrap:anywhere;flex:1;min-width:0;font-size:.88rem;font-weight:600;line-height:1.35}.day-row-h{color:var(--accent);font-variant-numeric:tabular-nums;flex:none;padding-right:4px;font-size:.95rem;font-weight:700}.day-step{flex:none;align-items:center;gap:2px;display:flex}.day-step-btn{width:var(--tap);height:var(--tap);min-width:var(--tap);min-height:var(--tap);border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);color:var(--accent);cursor:pointer;padding:0;font-family:inherit;font-size:1.05rem;font-weight:700;line-height:1;transition:background-color .15s,border-color .15s}.day-step-btn:hover{border-color:var(--border-strong);background:var(--surface-elevated)}.day-step-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.day-step-v{text-align:center;font-variant-numeric:tabular-nums;min-width:46px;font-size:.95rem;font-weight:700}.day-step-v.is-zero{color:var(--muted-decorative)}.day-note-btn{width:var(--tap);height:var(--tap);min-width:var(--tap);min-height:var(--tap);border-radius:var(--radius);color:var(--muted);cursor:pointer;background:0 0;border:0;flex:none;justify-content:center;align-items:center;padding:0;transition:color .15s,background-color .15s;display:inline-flex;position:relative}.day-note-btn:hover{background:var(--surface-elevated);color:var(--text-secondary)}.day-note-btn:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.day-note-btn.has-note{color:var(--accent)}.day-note-dot{border-radius:var(--radius-full);background:var(--accent);opacity:0;width:6px;height:6px;position:absolute;top:8px;right:8px}.day-note-btn.has-note .day-note-dot{opacity:1}.day-note-btn[aria-expanded=true]{background:var(--accent-soft);color:var(--accent)}.day-note-wrap{padding:8px 6px 4px 0}.day-note{width:100%;min-height:var(--tap);border-radius:var(--radius);background:var(--surface-elevated);color:var(--text);border:1px solid #0000;padding:10px 12px;font-family:inherit;font-size:.875rem}.day-note::placeholder{color:var(--muted)}.day-note:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}.day-note-warn{color:var(--warn-text);margin:6px 0 0;font-size:.75rem;line-height:1.4}.day-note-ro{color:var(--text-secondary);overflow-wrap:anywhere;margin:6px 0 0;font-size:.8125rem;line-height:1.5}.day-add{width:100%;min-height:var(--tap);border:1px dashed var(--border-strong);border-radius:var(--radius-lg);color:var(--text-secondary);cursor:pointer;background:0 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