:root{--font: -apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;--page: oklch(96% .009 82);--surface: oklch(99% .004 82);--ink: oklch(26% .018 70);--muted: oklch(47% .018 70);--line: oklch(89% .012 82);--line-strong: oklch(76% .018 82);--accent: oklch(39% .07 162);--accent-hover: oklch(33% .065 162);--accent-line: oklch(80% .04 162);--on-accent: oklch(99% .004 162);--soft: oklch(95% .025 162);--focus: oklch(57% .12 162);--warning: oklch(40% .08 68);--warning-soft: oklch(96% .035 80);--warning-line: oklch(85% .07 80);--danger: oklch(43% .135 25);--danger-soft: oklch(96% .022 25);--danger-line: oklch(84% .055 25)}*{box-sizing:border-box}html{color-scheme:light;background:var(--page);-webkit-text-size-adjust:100%}body{margin:0;color:var(--ink);font:16px/1.6 var(--font)}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}a{color:var(--accent);text-underline-offset:4px}button{cursor:pointer}button:disabled,input:disabled,select:disabled,textarea:disabled,.disabled{opacity:.55;cursor:not-allowed}:focus-visible{outline:3px solid var(--focus);outline-offset:3px}h1,h2,h3,p{margin-top:0}.agreement-text{white-space:pre-wrap}h1{font-size:1.75rem;line-height:1.3;letter-spacing:-.03em;margin-bottom:10px}h2{font-size:1.25rem;line-height:1.4;margin-bottom:12px}h3{font-size:1rem;margin-bottom:6px}p{margin-bottom:12px;overflow-wrap:anywhere;max-width:72ch}small{font-size:.8125rem}.app-shell{max-width:960px;margin:0 auto;min-height:100dvh;background:var(--surface)}.topbar{padding:calc(16px + env(safe-area-inset-top)) 22px 14px;display:flex;gap:12px;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.wordmark{font-weight:750;font-size:1rem;letter-spacing:-.02em;color:var(--ink);text-decoration:none}.wordmark span{font-weight:450;font-size:.8125rem;color:var(--muted);margin-left:8px}.topbar .text-button{font-size:.875rem}.page{padding:30px 22px calc(108px + env(safe-area-inset-bottom))}.page-heading{margin-bottom:26px}.eyebrow{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.11em;color:var(--muted);margin-bottom:8px}.subtitle,.hint{color:var(--muted);font-size:.875rem}.hint{margin-bottom:10px}.section{margin-top:32px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}.section-heading h2{margin-bottom:0}.bottom-nav{position:fixed;z-index:10;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:960px;display:flex;padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:var(--surface);border-top:1px solid var(--line);box-shadow:0 -6px 20px #25211d08}.bottom-nav a{flex:1;text-decoration:none;text-align:center;padding:11px 3px;min-height:46px;border-radius:8px;font-size:.875rem;color:var(--muted)}.bottom-nav a.router-link-active{color:var(--accent);background:var(--soft);font-weight:700}.bottom-nav a.nav-home-inactive{color:var(--muted);background:transparent;font-weight:450}.privacy-locked #private-content,.privacy-locked .bottom-nav{visibility:hidden!important}.privacy-curtain{position:fixed;z-index:30;inset:110px 0 0;padding:24px;background:var(--surface);max-width:960px;margin:0 auto;overflow-y:auto}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:8px;min-height:48px;padding:10px 18px;background:var(--accent);color:var(--on-accent);font-weight:650;text-decoration:none;line-height:1.5}.button:hover:not(:disabled){background:var(--accent-hover)}.button.secondary{background:var(--surface);border-color:var(--line-strong);color:var(--ink)}.button.secondary:hover:not(:disabled){background:var(--page)}.button.danger-button{background:var(--danger);color:var(--on-accent)}.button.full{width:100%}.button-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:14px}.button-row>*{flex-grow:1}.text-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px;border:0;background:transparent;color:var(--accent);text-decoration:underline;text-underline-offset:4px}.back-link{display:inline-flex;align-items:center;min-height:44px;margin-bottom:12px;text-decoration:none;font-size:.875rem}.badge{display:inline-flex;align-items:center;gap:5px;font-size:.75rem;font-weight:650;padding:3px 8px;border-radius:4px;background:var(--page);color:var(--muted);vertical-align:middle}.badge.positive{background:var(--soft);color:var(--accent)}.badge.warning{background:var(--warning-soft);color:var(--warning)}.badge.negative{background:var(--danger-soft);color:var(--danger)}.badges{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}.notice{border:1px solid var(--line);background:var(--page);padding:16px;border-radius:8px;margin:16px 0}.notice p:last-child{margin-bottom:0}.notice.danger{background:var(--danger-soft);border-color:var(--danger-line);color:var(--danger)}.notice.warning{background:var(--warning-soft);border-color:var(--warning-line);color:var(--warning)}.notice.success{background:var(--soft);border-color:var(--accent-line);color:var(--accent)}.record{display:block;padding:20px 0;border-bottom:1px solid var(--line);color:inherit;text-decoration:none}a.record:hover{background:var(--page)}.record:first-child{border-top:1px solid var(--line)}.record p:last-child{margin-bottom:0}.record-top{display:flex;align-items:start;gap:10px;justify-content:space-between;margin-bottom:8px}.record-top h3{flex:1}.row{display:flex;gap:12px;align-items:center;justify-content:space-between}.row.wrap{flex-wrap:wrap}.detail-list{margin:18px 0}.detail-list>div{display:grid;grid-template-columns:minmax(70px,25%) 1fr;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}dt{color:var(--muted);font-size:.875rem}dd{margin:0;overflow-wrap:anywhere}label,.field-label{display:block;font-size:.875rem;font-weight:650;margin-bottom:7px}.field{margin:18px 0}.form-fieldset{padding:0;margin:0;border:0;min-width:0}input:not([type=checkbox]):not([type=radio]):not([type=file]),select,textarea{width:100%;min-height:48px;padding:11px 12px;border:1px solid var(--line-strong);border-radius:7px;background:var(--surface);color:var(--ink);font-size:16px;max-width:100%}textarea{resize:vertical;min-height:116px}input[type=checkbox],input[type=radio]{width:20px;height:20px;accent-color:var(--accent);flex-shrink:0}.check-label{display:flex;align-items:start;gap:10px;min-height:44px;padding:9px 0;font-weight:450}.check-label input{margin-top:3px}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field-grid .field{min-width:0}.field-error{color:var(--danger);font-size:.875rem;margin-top:8px}.login-page{max-width:460px;margin:0 auto;padding-top:54px}.login-page h1{font-size:2rem}.login-page form{margin-top:30px}.login-footer{margin-top:36px;padding-top:20px;border-top:1px solid var(--line)}.empty-state{padding:38px 10px;text-align:center}.empty-state p{color:var(--muted);margin-left:auto;margin-right:auto}.loading-state{padding:24px 0;color:var(--muted)}.skeleton{margin-top:14px;background:var(--page);height:52px;border-radius:6px}.skeleton.short{width:65%}.week-switch{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:22px}.week-switch button{width:48px;flex-shrink:0}.week-switch strong{text-align:center;font-size:.875rem}.session-row{display:grid;grid-template-columns:64px 1fr;gap:14px;padding:22px 0;border-bottom:1px solid var(--line);text-decoration:none;color:inherit}.session-time{font-variant-numeric:tabular-nums;font-size:1.125rem;font-weight:700;line-height:1.4}.session-time small{display:block;font-weight:450;color:var(--muted);margin-top:5px}.date-heading{background:var(--page);margin:26px -22px 0;padding:8px 22px;font-size:.8125rem;font-weight:650}.roster-row{padding:20px 0;border-top:1px solid var(--line)}.feedback-details{margin-top:18px}.feedback-details summary{min-height:44px;padding:10px 0;color:var(--accent);cursor:pointer;font-size:.875rem}.attendance-options{border:0;padding:0;margin:12px 0;display:flex;gap:6px;flex-wrap:wrap}.attendance-options legend{font-size:.8125rem;color:var(--muted);margin-bottom:6px}.attendance-options label{display:flex;align-items:center;gap:5px;font-size:.8125rem;background:var(--page);border-radius:6px;padding:8px;min-height:44px;font-weight:450}.file-picker{margin:20px 0}.file-label{position:relative;overflow:hidden}.file-label:focus-within{outline:3px solid var(--focus);outline-offset:3px}.file-label input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.file-review{display:flex;align-items:center;gap:12px;border:1px solid var(--line);padding:10px;margin-top:12px;border-radius:6px}.file-review img{width:64px;height:76px;object-fit:contain}.file-review p{flex:1;min-width:0;margin:0;font-size:.875rem}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.environment{padding:6px 22px;background:var(--warning-soft);color:var(--warning);font-size:.75rem;text-align:center}.skip-link{position:fixed;top:-100px;left:12px;z-index:100;background:var(--surface);padding:12px}.skip-link:focus{top:12px}@media(min-width:700px){.app-shell{margin-top:24px;margin-bottom:24px;min-height:calc(100dvh - 48px);border:1px solid var(--line);border-radius:12px;overflow:hidden}.page{max-width:760px;margin:0 auto;padding:42px 36px 120px}.bottom-nav{max-width:960px}.date-heading{margin-left:0;margin-right:0;padding-left:16px;border-radius:4px}}@media(max-width:359px){.page,.topbar{padding-left:16px;padding-right:16px}.wordmark span{display:none}.field-grid{grid-template-columns:1fr;gap:0}.date-heading{margin-left:-16px;margin-right:-16px;padding-left:16px}.button-row>*{flex-basis:100%}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}