/* 台灣健康體態管理醫學會 — 21 天運動習慣養成 共用樣式 */
:root{
  --bg:#F4F8F7; --surface:#FFFFFF; --surface-2:#E7F1EF; --ink:#12333B; --muted:#5A7177;
  --line:#D3E3E0; --brand:#217687; --brand-deep:#063843; --on-brand:#FFFFFF;
  --accent:#2E8A85; --good:#2E8A85; --adv:#063843;
  --radius:16px; --maxw:720px;
  --display:"Archivo",system-ui,sans-serif;
  --sans:"Noto Sans TC","Noto Sans TC Fallback",system-ui,"PingFang TC","Microsoft JhengHei",sans-serif;
}
@media (prefers-color-scheme:dark){ :root:not([data-theme="light"]){
  --bg:#0C1F23; --surface:#122D33; --surface-2:#183940; --ink:#E6F1EF; --muted:#93AEB0;
  --line:#234A50; --brand:#5BB7B0; --brand-deep:#2E8A85; --on-brand:#06252B;
  --accent:#5FC6B9; --good:#5BB7B0; --adv:#4EAEA0; color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#0C1F23; --surface:#122D33; --surface-2:#183940; --ink:#E6F1EF; --muted:#93AEB0;
  --line:#234A50; --brand:#5BB7B0; --brand-deep:#2E8A85; --on-brand:#06252B;
  --accent:#5FC6B9; --good:#5BB7B0; --adv:#4EAEA0; color-scheme:dark;
}
*{box-sizing:border-box} html,body{margin:0}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:18px;padding-block:28px 48px}
h1,h2,h3{text-wrap:balance;margin:0}
.num{font-family:var(--display);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
img{max-width:100%}
[hidden]{display:none!important}

.hero{display:flex;flex-direction:column;gap:14px;align-items:center;text-align:center;padding-block:4px 2px}
.logowrap{background:#fff;border-radius:16px;padding:12px 18px;box-shadow:0 2px 12px rgba(6,56,67,.14)}
.logowrap img{width:min(230px,66vw);height:auto;display:block}
.eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.16em;color:var(--brand);text-transform:uppercase}
h1{font-size:clamp(1.7rem,6vw,2.5rem);font-weight:900;line-height:1.15}
h1 .big{font-family:var(--display);color:var(--brand)}
.lede{color:var(--muted);font-size:1.02rem;max-width:34em}
.method{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:2px}
.chip{font-size:.8rem;font-weight:500;color:var(--ink);background:var(--surface-2);border:1px solid var(--line);border-radius:999px;padding:5px 12px}

section{margin-top:30px}
.sechead{font-size:.82rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}

/* login */
.login{display:flex;flex-direction:column;gap:18px;align-items:center;text-align:center;margin-top:30px}
.login .card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;max-width:420px;width:100%;display:flex;flex-direction:column;gap:16px;align-items:center}
.gbtn{appearance:none;cursor:pointer;font-family:inherit;font-weight:700;font-size:1rem;display:inline-flex;align-items:center;gap:11px;background:#fff;color:#1f1f1f;border:1.5px solid #dadce0;border-radius:12px;padding:12px 20px}
.gbtn:hover{box-shadow:0 1px 4px rgba(0,0,0,.18)}
.gbtn:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
.gbtn svg{width:20px;height:20px;flex:none}
.login .intro{margin:0;color:var(--muted);font-size:.95rem}
.login-date{margin:0;font-size:.92rem;background:color-mix(in srgb,var(--brand) 9%,var(--surface));border:1.5px solid color-mix(in srgb,var(--brand) 40%,var(--line));border-radius:12px;padding:8px 14px}
.login-date b{color:var(--brand)}
.login .fine{font-size:.82rem;color:var(--muted);max-width:34em}
.msg{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:12px;padding:14px 16px;color:var(--ink);font-size:.9rem;max-width:520px}

/* user bar */
.userbar{display:flex;align-items:center;gap:11px;justify-content:center;flex-wrap:wrap;margin-top:6px}
.userbar img{width:34px;height:34px;border-radius:50%;border:1.5px solid var(--line)}
.userbar .uname{font-weight:700}
.userbar .uemail{color:var(--muted);font-size:.82rem}

.tracks{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:460px){.tracks{grid-template-columns:1fr}}
.track{appearance:none;text-align:left;cursor:pointer;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:7px;color:inherit;font-family:inherit;transition:border-color .15s,box-shadow .15s}
.track:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
.track[aria-pressed="true"],.track.sel{border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 22%,transparent)}
.track.adv[aria-pressed="true"],.track.adv.sel{border-color:var(--adv);box-shadow:0 0 0 3px color-mix(in srgb,var(--adv) 26%,transparent)}
.track .tag{display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:1.06rem}
.dot{width:11px;height:11px;border-radius:50%;background:var(--brand);flex:none}
.track.adv .dot{background:var(--adv)}
.track .goal{font-size:.9rem;color:var(--muted);line-height:1.5}
.track .goal b{color:var(--ink);font-weight:700}
.track .pre{font-size:.76rem;color:var(--muted)}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:15px 12px;text-align:center;display:flex;flex-direction:column;gap:3px}
.stat .v{font-family:var(--display);font-size:1.9rem;font-weight:800;line-height:1;color:var(--brand)}
.stat .v.accent{color:var(--accent)}
.stat .k{font-size:.78rem;color:var(--muted);font-weight:500}
.stat .sub{font-size:.68rem;color:var(--muted)}

.weeks{display:flex;flex-direction:column;gap:16px;margin-top:4px}
.week{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 14px 16px}
.week-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:11px}
.week-title{font-weight:700;font-size:.98rem}
.week-dates{display:block;font-size:.74rem;font-weight:500;color:var(--muted)}
.week-badge{font-size:.76rem;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--surface-2);color:var(--muted);white-space:nowrap}
.week-badge.met{background:color-mix(in srgb,var(--good) 20%,transparent);color:var(--good)}
.days{display:grid;grid-template-columns:repeat(7,1fr);gap:7px}
.day{position:relative;aspect-ratio:1;border-radius:12px;border:1.5px solid var(--line);background:var(--surface-2);color:var(--muted);font-family:var(--display);font-weight:700;font-size:.98rem;cursor:pointer;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;transition:transform .08s,background .15s,color .15s,border-color .15s,opacity .2s}
.day:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
button.day:not(:disabled):active{transform:scale(.94)}
.day.done{background:var(--brand);border-color:var(--brand);color:var(--on-brand)}
.adv-mode .day.done{background:var(--adv);border-color:var(--adv);color:var(--on-brand)}
.day.today{border-color:var(--accent);box-shadow:0 0 0 2px color-mix(in srgb,var(--accent) 40%,transparent)}
.day.today:not(.done){animation:today-pulse 1.8s ease-in-out infinite}
@keyframes today-pulse{0%,100%{box-shadow:0 0 0 2px color-mix(in srgb,var(--accent) 40%,transparent)}50%{box-shadow:0 0 0 6px color-mix(in srgb,var(--accent) 16%,transparent)}}
.day:disabled{cursor:default}
.day.locked{opacity:.5;cursor:not-allowed}
/* 鎖住的格子（過去或還沒到）右上角畫一個小鎖頭 */
.day.locked::before,.day.locked::after{content:"";position:absolute;box-sizing:border-box}
.day.locked::before{top:3px;right:5px;width:5px;height:5px;border:1.5px solid currentColor;border-bottom:0;border-radius:2.5px 2.5px 0 0}
.day.locked::after{top:7px;right:4px;width:7px;height:5px;border-radius:1.5px;background:currentColor}
.day .chk{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:1.15rem}
.day.done .n{display:none}
.day .todaytag{position:absolute;bottom:-7px;left:50%;transform:translateX(-50%);font-family:var(--sans);font-size:.56rem;font-weight:700;color:var(--brand-deep);background:var(--bg);padding:0 4px;border-radius:4px;white-space:nowrap}

.done-banner{margin-top:16px;border-radius:var(--radius);padding:16px 18px;background:color-mix(in srgb,var(--good) 15%,var(--surface));border:1.5px solid var(--good);display:flex;gap:12px;align-items:center}
.done-banner .star{font-size:1.5rem}.done-banner b{color:var(--good)}

.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;align-items:center}
.btn{appearance:none;font-family:inherit;font-weight:700;font-size:.9rem;cursor:pointer;border-radius:11px;padding:10px 16px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink)}
.btn:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
.btn.ghost{color:var(--muted)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:var(--on-brand)}
.btn.help{font-size:.82rem;padding:6px 13px;border-radius:999px;color:var(--brand);border-color:color-mix(in srgb,var(--brand) 45%,var(--line))}
.startinfo{font-size:.8rem;color:var(--muted)}

/* 打卡規則、格子圖例 */
.sechead-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.sechead-row .sechead{margin-bottom:0}
.rule{display:flex;flex-direction:column;gap:10px;background:color-mix(in srgb,var(--brand) 9%,var(--surface));border:1.5px solid color-mix(in srgb,var(--brand) 40%,var(--line));border-radius:var(--radius);padding:12px 14px;margin-bottom:14px}
.rule-row{display:flex;gap:10px;align-items:flex-start}
.rule p{margin:0;font-size:.88rem;line-height:1.6}
.rule-tag{flex:none;font-size:.72rem;font-weight:700;color:var(--on-brand);background:var(--brand);border-radius:999px;padding:2px 9px;margin-top:2px;white-space:nowrap}
.legend{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px 18px;font-size:.8rem;color:var(--muted)}
.legend li{display:flex;align-items:center;gap:7px}
.legend .day{width:26px;flex:none;border-radius:8px;font-size:.72rem;cursor:default}
.legend .day.today{animation:none}
.legend .day .chk{font-size:.8rem}
.legend .day.locked::before{top:7px;right:calc(50% - 2.5px)}
.legend .day.locked::after{top:11px;right:calc(50% - 3.5px)}

/* 打卡教學小窗 */
.tut{border:0;padding:0;border-radius:20px;background:var(--surface);color:var(--ink);width:min(420px,calc(100vw - 32px));max-height:calc(100dvh - 32px);overflow:auto;box-shadow:0 18px 50px rgba(6,40,48,.3)}
.tut:not([open]){display:none}
.tut[open]{animation:tut-pop .25s ease-out}
.tut::backdrop{background:rgba(6,30,36,.55)}
.tut-inner{padding:14px 18px 18px;display:flex;flex-direction:column;gap:14px}
.tut-head{display:flex;align-items:center;justify-content:space-between}
.tut-title{font-size:.8rem;font-weight:700;letter-spacing:.12em;color:var(--muted)}
.tut-x{appearance:none;border:0;background:transparent;color:var(--muted);font-family:inherit;font-size:1rem;width:34px;height:34px;border-radius:50%;cursor:pointer}
.tut-x:hover{background:var(--surface-2)}
.tut-x:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
/* 四步疊在同一格，小窗高度固定成最高那一步，換頁時按鈕不會跳 */
.tut-steps{display:grid}
.tut-step{grid-area:1/1;display:flex;flex-direction:column;gap:9px}
.tut-step:not(.on){visibility:hidden}
.tut-step.on{animation:tut-in .3s ease-out}
.tut-step h2{font-size:1.1rem;font-weight:900;display:flex;align-items:center;gap:9px;margin-top:4px}
.tut-step p{margin:0;color:var(--muted);font-size:.92rem}
.tut-step p b{color:var(--ink)}
.tut-no{flex:none;width:26px;height:26px;border-radius:50%;background:var(--brand);color:var(--on-brand);font-family:var(--display);font-size:.9rem;display:inline-flex;align-items:center;justify-content:center}
.tut-step .tut-when{background:var(--surface-2);border-radius:10px;padding:9px 12px;color:var(--ink);font-weight:500}
.tut-when:empty{display:none}
.tut-dots{display:flex;justify-content:center;gap:7px}
.tut-dots span{width:7px;height:7px;border-radius:999px;background:var(--line);transition:width .2s,background .2s}
.tut-dots span.on{width:20px;background:var(--brand)}
.tut-nav{display:flex;gap:10px}
.tut-nav .primary{margin-left:auto}
@keyframes tut-pop{from{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:none}}
@keyframes tut-in{from{opacity:0;transform:translateX(14px)}to{opacity:1;transform:none}}
/* 小窗裡的示範畫面，沿用真的格子樣式 */
.demo{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:20px 14px;min-height:136px;display:flex;align-items:center;justify-content:center}
.demo > *{width:100%}
.demo .tracks{grid-template-columns:1fr 1fr}
.demo .track{cursor:default;padding:12px}
.demo .day{cursor:default}
.demo .day:not(.done) .chk,.demo .day:not(.today) .todaytag{display:none}
.demo .week{padding:12px}
.demo .week .days{gap:5px}
.wdays{display:grid;grid-template-columns:repeat(7,1fr);gap:5px;margin-top:6px;text-align:center;font-size:.74rem;color:var(--muted)}
.wdays span:first-child{color:var(--brand);font-weight:700}
.mini-days{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;max-width:300px;margin:0 auto}
.day.tapping{transform:scale(.9)}
.day.tapping::after{content:"";position:absolute;inset:-5px;border-radius:15px;border:2px solid var(--accent);animation:tut-ripple .7s ease-out forwards}
@keyframes tut-ripple{from{opacity:1;transform:scale(.85)}to{opacity:0;transform:scale(1.3)}}
.finger{position:absolute;right:-12px;bottom:-20px;font-size:1.4rem;line-height:1;transition:transform .25s,opacity .25s;pointer-events:none}
.tapping .finger{transform:translate(-5px,-7px) scale(.92)}
.done .finger{opacity:0}

.note{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.note h3{font-size:1.02rem;margin-bottom:9px}
.note ul{margin:0;padding-left:1.15em;color:var(--muted);font-size:.92rem;line-height:1.7}
.note ul b{color:var(--ink)}
.note .sched-weeks{margin:2px 0 0;padding-left:1.1em;list-style:circle}
.rules > ul > li + li{margin-top:4px}
.foot{margin-top:26px;text-align:center;font-size:.82rem;color:var(--muted);line-height:1.7}
.foot a{color:var(--brand);font-weight:700;text-decoration:none}

/* admin table */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
table{border-collapse:collapse;width:100%;min-width:560px;font-size:.9rem}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:var(--surface-2);color:var(--muted);font-weight:700;font-size:.8rem}
td .pill{display:inline-block;font-size:.76rem;font-weight:700;padding:2px 9px;border-radius:999px;background:var(--surface-2);color:var(--muted)}
td .pill.done{background:color-mix(in srgb,var(--good) 20%,transparent);color:var(--good)}
.summary{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}