/* TicketPass v3 — 穩重版（20261016）：低彩度、細線框、無位移陰影與動畫；抽選制 */
:root{
  --paper:#FFFFFF; --paper-2:#F5F6F8; --bg:#F7F7F5; --ink:#1F2328; --muted:#5F6672; --rule:#D9DCE1; --rule-strong:#B8BDC6;
  --poster-ink:#FFFFFF; --on-primary:#FFFFFF;
  --primary:#1E3A5F; --primary-hover:#16304F; --primary-soft:#E8EEF5; --hot:#8C2F39;
  /* 海報底色：低彩度深色系（依活動 id 分配） */
  --sky:#2E4A66; --sun:#5A4E3C; --lilac:#4A4560; --lime:#3E5144; --bubble:#5B3F48; --tangerine:#5E4636; --mint:#2F5552; --coral:#5A3B3B;
  --ok:#2E6B4F; --warn:#8A5A12; --err:#A33A3A;
  --radius:8px; --shadow:0 1px 2px rgba(16,24,40,.05),0 1px 3px rgba(16,24,40,.06);
  --f-display:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
  --f-body:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
  --f-mono:ui-monospace,"SFMono-Regular",Menlo,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#1B1E23; --paper-2:#22262C; --bg:#15171B; --ink:#E6E8EB; --muted:#9AA1AC; --rule:#33383F; --rule-strong:#4A5059;
  --primary:#5B84B8; --primary-hover:#6B93C5; --primary-soft:#24303F; --hot:#C46B74; --ok:#6FB08F; --warn:#D2A453; --err:#D77272; color-scheme:dark;
}}
:root[data-theme="dark"]{
  --paper:#1B1E23; --paper-2:#22262C; --bg:#15171B; --ink:#E6E8EB; --muted:#9AA1AC; --rule:#33383F; --rule-strong:#4A5059;
  --primary:#5B84B8; --primary-hover:#6B93C5; --primary-soft:#24303F; --hot:#C46B74; --ok:#6FB08F; --warn:#D2A453; --err:#D77272; color-scheme:dark;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
a{color:inherit}
img{max-width:100%}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.wrap{max-width:1120px;margin:0 auto;padding-inline:24px;width:100%}
.mono{font-family:var(--f-mono);font-size:12px;letter-spacing:.04em}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;margin:0;letter-spacing:.01em}
main{flex:1}

/* ===== masthead ===== */
.top{border-bottom:1px solid var(--rule);background:var(--paper);position:sticky;top:0;z-index:20}
.top .wrap{display:flex;align-items:center;gap:14px;padding-block:12px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:14px;text-decoration:none}
.lg{height:34px;width:auto;display:block;max-width:none}
.lg-w{display:none}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .lg-c{display:none} :root:not([data-theme="light"]) .lg-w{display:block}}
.brand-sub{font-family:var(--f-display);font-weight:700;font-size:18px;line-height:1.1;padding-left:14px;border-left:1px solid var(--rule)}
.brand-sub small{display:block;font-family:var(--f-body);font-weight:500;font-size:12px;letter-spacing:.08em;color:var(--muted);margin-top:3px}
.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav a,.nav button{font:inherit;font-weight:500;font-size:14px;text-decoration:none;padding:6px 12px;border:0;border-radius:6px;background:none;color:var(--muted);cursor:pointer}
.nav a:hover,.nav button:hover{background:var(--paper-2);color:var(--ink)}
.nav a.on{color:var(--primary);background:var(--primary-soft);font-weight:700}

/* ===== poster ===== */
.poster{position:relative;overflow:hidden;background:var(--c,var(--sky));color:var(--poster-ink);isolation:isolate;min-height:200px}
.poster .pn{position:absolute;left:18px;right:18px;bottom:16px;font-family:var(--f-display);font-weight:700;line-height:1.3;
  font-size:clamp(20px,2.4vw,26px);overflow-wrap:anywhere}
.poster .pt{position:absolute;top:12px;left:14px;right:14px;display:flex;justify-content:space-between;gap:8px;font-size:12px}
.poster .pt span{background:rgba(255,255,255,.14);color:#fff;padding:2px 10px;border-radius:999px;backdrop-filter:blur(4px)}
.poster.ph{background:transparent;min-height:0;align-self:start;line-height:0}
.poster.ph img{display:block;width:100%;height:auto;max-width:100%}
.poster.ph .pn{color:#fff}
.poster.ph .pt span{background:rgba(15,18,22,.55)}

/* ===== sections ===== */
.sec{margin-block:44px 0}
.sec-head{display:flex;align-items:end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px;padding-bottom:14px;border-bottom:1px solid var(--rule)}
.sec-head h1,.sec-head h2{font-size:clamp(22px,2.6vw,28px);font-weight:700;line-height:1.3}
.sec-head small{display:block;font-family:var(--f-body);font-weight:500;font-size:13px;letter-spacing:.06em;margin-top:4px;color:var(--muted)}

.tag{display:inline-block;font-size:12px;padding:1px 10px;border:1px solid var(--rule-strong);border-radius:999px;font-weight:500;white-space:nowrap;line-height:1.7;color:var(--muted);background:var(--paper)}
.tag.fill{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.tag.ok{background:color-mix(in srgb,var(--ok) 12%,var(--paper));color:var(--ok);border-color:color-mix(in srgb,var(--ok) 35%,transparent)}
.tag.hot{background:color-mix(in srgb,var(--err) 10%,var(--paper));color:var(--err);border-color:color-mix(in srgb,var(--err) 35%,transparent)}
.tag.sun{background:color-mix(in srgb,var(--warn) 12%,var(--paper));color:var(--warn);border-color:color-mix(in srgb,var(--warn) 35%,transparent)}
.tag.sky{background:var(--primary-soft);color:var(--primary);border-color:color-mix(in srgb,var(--primary) 30%,transparent)}
.tag.lilac{background:var(--paper-2);color:var(--ink);border-color:var(--rule-strong)}
.tag.mute{color:var(--muted);border-color:var(--rule)}

/* ===== event cards ===== */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.card{display:flex;flex-direction:column;border:1px solid var(--rule);border-radius:var(--radius);overflow:hidden;background:var(--paper);text-decoration:none;box-shadow:var(--shadow);transition:border-color .15s,box-shadow .15s}
.card:hover{border-color:var(--rule-strong);box-shadow:0 4px 12px rgba(16,24,40,.08)}
.card .body{padding:14px 18px 18px;display:flex;flex-direction:column;gap:6px}
.card h3{font-family:var(--f-body);font-size:17px;font-weight:700;line-height:1.45}
.card .meta{font-size:14px;color:var(--muted)}

/* ===== buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:700;text-decoration:none;font-size:15px;cursor:pointer;
  background:var(--primary);color:var(--on-primary);padding:10px 20px;border:1px solid var(--primary);border-radius:6px;transition:background .15s,border-color .15s;white-space:nowrap}
.btn:hover{background:var(--primary-hover);border-color:var(--primary-hover)}
.btn.hot{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.hot:hover{background:var(--primary-hover)}
.btn.ghost{background:var(--paper);color:var(--ink);border-color:var(--rule-strong)}
.btn.ghost:hover{background:var(--paper-2)}
.btn.sm{font-size:13px;padding:4px 12px;font-weight:500}
.btn.danger{background:var(--paper);color:var(--err);border-color:color-mix(in srgb,var(--err) 45%,transparent)}
.btn.danger:hover{background:color-mix(in srgb,var(--err) 8%,var(--paper))}
.btn[disabled]{opacity:.45;pointer-events:none}
.link{background:none;border:0;padding:0;font:inherit;color:var(--primary);text-decoration:underline;text-underline-offset:3px;cursor:pointer;font-weight:500}

/* ===== panel ===== */
.panel{border:1px solid var(--rule);border-radius:var(--radius);background:var(--paper);box-shadow:var(--shadow);padding:24px 26px}
.panel+.panel{margin-top:20px}
.grid2>.panel,.cards>.panel,.rules>.panel{margin-top:0}
.panel h2{font-size:20px;font-weight:700;margin-bottom:12px}
.panel h3{font-family:var(--f-body);font-size:16px;font-weight:700;margin:16px 0 6px}
.stub{position:relative}
.hint{font-size:14px;color:var(--muted)}
.note{border:1px solid var(--rule);border-left:3px solid var(--warn);border-radius:6px;background:var(--paper-2);padding:12px 16px;font-size:15px}
.note.hot{border-left-color:var(--primary)}
.note.ok{border-left-color:var(--ok)}
.note ul,.panel ul{margin:6px 0;padding-left:1.2em}

/* ===== forms ===== */
.form{display:grid;gap:18px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field>label,.label{font-weight:700;font-size:15px}
.req::after{content:" *";color:var(--err)}
.input,.field input:not([type=checkbox]):not([type=radio]):not([type=file]),.field select,.field textarea{
  font:inherit;font-size:16px;color:var(--ink);background:var(--paper);border:1px solid var(--rule-strong);padding:9px 12px;width:100%;border-radius:6px;transition:border-color .15s,box-shadow .15s}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus,.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 18%,transparent)}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{position:relative}
.chip input{position:absolute;opacity:0;inset:0;cursor:pointer}
.chip span{display:inline-flex;flex-direction:column;align-items:flex-start;border:1px solid var(--rule-strong);border-radius:6px;padding:7px 14px;font-weight:700;font-size:15px;background:var(--paper);line-height:1.4;min-width:110px}
.chip span small{font-weight:400;font-size:12px;color:var(--muted)}
.chip input:checked+span{background:var(--primary-soft);border-color:var(--primary);color:var(--primary);box-shadow:inset 0 0 0 1px var(--primary)}
.chip input:checked+span small{color:var(--primary)}
.chip input:focus-visible+span{outline:2px solid var(--primary);outline-offset:2px}
.check{display:flex;gap:10px;align-items:flex-start;font-size:15px}
.check input{width:18px;height:18px;margin-top:4px;accent-color:var(--primary);flex:none}
.seg{display:inline-flex;border:1px solid var(--rule-strong);border-radius:6px;overflow:hidden}
.seg button{font:inherit;font-weight:500;font-size:14px;padding:6px 14px;background:var(--paper);color:var(--ink);border:0;cursor:pointer}
.seg button+button{border-left:1px solid var(--rule-strong)}
.seg button.on{background:var(--primary);color:#fff}
.form .seg,.field .seg{align-self:flex-start;justify-self:start}
.err-msg{color:var(--err);font-weight:500;font-size:15px}

/* ===== big result ===== */
.result{text-align:center;padding:30px 20px}
.result .big{font-family:var(--f-display);font-weight:700;font-size:clamp(28px,5vw,40px);line-height:1.2;margin:10px 0}
dl.kv{display:grid;grid-template-columns:max-content 1fr;gap:6px 18px;margin:12px 0;text-align:left}
dl.kv dt{font-weight:500;color:var(--muted)}
dl.kv dd{margin:0;font-weight:700}

/* ===== table ===== */
.tbl-wrap{overflow-x:auto;border:1px solid var(--rule);border-radius:var(--radius);background:var(--paper)}
table.tbl{border-collapse:collapse;width:100%;font-size:14px}
.tbl th,.tbl td{padding:9px 12px;border-bottom:1px solid var(--rule);text-align:left;vertical-align:top;white-space:nowrap}
.tbl th{background:var(--paper-2);color:var(--muted);font-weight:700;font-size:13px;position:sticky;top:0;z-index:1}
.tbl tr:hover td{background:var(--paper-2)}
.tbl tr:last-child td{border-bottom:0}
.tbl td.num,.tbl th.num{text-align:right;font-variant-numeric:tabular-nums}
.tbl .code{font-family:var(--f-mono);font-size:13px}
.tbl td.wrap-cell{white-space:normal;min-width:160px}

/* ===== stats ===== */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}
.stat{border:1px solid var(--rule);border-radius:var(--radius);padding:12px 16px;background:var(--paper)}
.stat b{display:block;font-family:var(--f-display);font-size:26px;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums}
.stat span{font-size:13px;color:var(--muted);font-weight:500}
.stat.c1,.stat.c2,.stat.c3{border-top:3px solid var(--primary)}
.stat.c2{border-top-color:var(--warn)}
.stat.c3{border-top-color:var(--ok)}

/* ===== tabs ===== */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--rule);margin:24px 0 16px;overflow-x:auto}
.tabs button{font:inherit;font-weight:500;font-size:15px;padding:9px 16px;background:none;border:0;border-bottom:2px solid transparent;color:var(--muted);cursor:pointer;margin-bottom:-1px;white-space:nowrap}
.tabs button:hover{color:var(--ink)}
.tabs button.on{border-bottom-color:var(--primary);color:var(--primary);font-weight:700}
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:12px}
.toolbar .input{width:auto;min-width:200px;font-size:14px;padding:6px 10px}
.toolbar select.input{min-width:0}
.spacer{flex:1}

/* ===== modal / toast ===== */
.modal{position:fixed;inset:0;background:rgba(15,18,22,.45);display:flex;align-items:center;justify-content:center;z-index:50;padding:16px}
.modal>.panel{max-width:720px;width:100%;max-height:88vh;overflow:auto;box-shadow:0 12px 32px rgba(16,24,40,.18)}
#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:60;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
#toast div{background:#1F2328;color:#fff;font-weight:500;padding:10px 18px;border-radius:6px;box-shadow:0 6px 20px rgba(16,24,40,.2);max-width:90vw}
#toast div.err{background:var(--err)}

/* ===== footer ===== */
footer{margin-top:64px;border-top:1px solid var(--rule);background:#1F2328;color:#C9CDD3}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-block:26px;align-items:center}
footer .lg{height:28px;opacity:.9}
footer p{margin:0;font-size:13px}
footer a{color:#fff}

.loading{padding:40px 0;text-align:center;color:var(--muted)}
.empty{padding:28px;text-align:center;color:var(--muted);border:1px dashed var(--rule-strong);border-radius:var(--radius);background:var(--paper)}

/* ===== 讓票制度（必讀）：單頁 ===== */
.rules-book{border:1px solid var(--rule);border-radius:var(--radius);overflow:hidden;background:var(--paper);box-shadow:var(--shadow)}
.rule-card{display:grid;grid-template-columns:220px minmax(0,1fr);column-gap:32px;row-gap:10px;padding:24px 30px;border-top:1px solid var(--rule);align-items:start}
.rule-card>*{grid-column:2}
.rule-card>.rc-top,.rule-card>h3{grid-column:1}
.rule-card>.rc-top{grid-row:1}
.rule-card>h3{grid-row:2}
.rule-card>h3+*{grid-row:1/span 3}
.rule-card .rc-top{display:flex;gap:10px;font-size:12px;letter-spacing:.08em;color:var(--muted)}
.rule-card h3{font-family:var(--f-body);font-size:18px;font-weight:700;line-height:1.4}
.rule-card.intro{display:block;background:var(--primary);color:#fff;border-top:0;padding:28px 30px 26px}
.rule-card.intro .rc-top{justify-content:space-between;color:rgba(255,255,255,.7);margin-bottom:10px}
.rule-card.intro h2{font-family:var(--f-display);font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3}
.rule-card.intro h2::after{content:"";display:block;width:48px;height:2px;background:rgba(255,255,255,.6);margin:14px 0}
.rule-card .lead{font-size:17px;font-weight:700;margin:0}
.rule-card .muted{color:var(--muted);font-size:14px;margin:0}
.rule-card.intro .muted{color:rgba(255,255,255,.75)}
.rule-card p{margin:0}
.rule-card a{color:inherit}
.rule-card ul.sq{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.rule-card ul.sq>li{position:relative;padding-left:18px;font-weight:500}
.rule-card ul.sq>li::before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--primary)}
.rule-card ol.num{margin:0;padding-left:1.4em;display:grid;gap:8px;font-weight:500}
.rule-card .sub{font-weight:400;font-size:14px;color:var(--muted);margin-top:4px}
.rule-card .sub b{color:var(--ink)}
.rule-card .ul{font-weight:700;text-decoration:underline;text-decoration-color:var(--hot);text-underline-offset:4px;text-decoration-thickness:1.5px}
.rule-card dl.rt{display:grid;grid-template-columns:max-content 1fr;gap:8px 18px;margin:0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);padding:12px 0}
.rule-card dl.rt dt{font-weight:700;color:var(--muted)}
.rule-card dl.rt dd{margin:0;font-weight:500}
.rule-card .note{font-size:14px}
.rule-card.dark:not(.intro){background:none;color:inherit}
.rule-card.last{background:var(--paper-2)}
.gate{margin-top:22px;display:grid;gap:10px;border-color:var(--primary);border-left:3px solid var(--primary)}
.gate .check{font-weight:700;font-size:16px}
.gate .check input[disabled]+span{opacity:.5}
.cards.locked .card{opacity:.5;filter:grayscale(.5)}
.lock-tip{margin:0 0 14px}
@media (max-width:760px){
  .rule-card{display:flex;flex-direction:column;gap:8px;padding:20px 16px}
  .rule-card.intro{padding:22px 16px}
  .rule-card dl.rt{grid-template-columns:1fr;gap:2px}.rule-card dl.rt dd{margin-bottom:8px}
}


/* ===== 抽選流程（首頁） ===== */
.steps{list-style:none;margin:0 0 20px;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--rule);border-radius:var(--radius);background:var(--paper);counter-reset:st;overflow:hidden}
.steps li{counter-increment:st;padding:18px 20px 20px;border-left:1px solid var(--rule);display:flex;flex-direction:column;gap:6px}
.steps li:first-child{border-left:0}
.steps li::before{content:counter(st,decimal-leading-zero);font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;color:var(--primary);font-weight:700}
.steps b{font-size:16px}
.steps span{font-size:14px;color:var(--muted);line-height:1.7}
.cards.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.cards.three h3{margin-top:0}
.cards.three p{margin:4px 0 0}

/* ===== 受讓志願 ===== */
.prefs{display:grid;gap:10px}
.pref{display:grid;grid-template-columns:110px minmax(0,1.4fr) minmax(0,1fr);gap:10px;align-items:center;padding:10px 12px;border:1px solid var(--rule);border-radius:6px;background:var(--paper-2)}
.pref-no{font-weight:700;font-size:15px;display:flex;flex-direction:column;line-height:1.3}
.pref-no em{font-style:normal;font-weight:400;font-size:12px;color:var(--muted)}
.pref select{font:inherit;font-size:15px;color:var(--ink);background:var(--paper);border:1px solid var(--rule-strong);padding:8px 10px;border-radius:6px;width:100%}
.pref select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 18%,transparent)}
hr.rule{border:0;border-top:1px solid var(--rule);margin:4px 0}
.row-tags{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.cancel-box{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;margin-top:14px;padding-top:14px;border-top:1px solid var(--rule)}
.cancel-box .field label{font-weight:500;font-size:14px}
.cancel-box .btn{margin-bottom:6px}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}.steps li:nth-child(3){border-left:0}.steps li:nth-child(n+3){border-top:1px solid var(--rule)}}
@media (max-width:760px){
  .steps{grid-template-columns:1fr}.steps li{border-left:0;border-top:1px solid var(--rule)}.steps li:first-child{border-top:0}
  .cards.three{grid-template-columns:1fr}
  .pref{grid-template-columns:1fr 1fr}.pref-no{grid-column:1/-1;flex-direction:row;gap:8px;align-items:baseline}
}

/* ===== admin：寬版 ===== */
body.admin .wrap{max-width:1680px}

/* ===== responsive ===== */
@media (max-width:760px){
  .wrap{padding-inline:16px}
  .grid2{grid-template-columns:1fr}
  .panel{padding:18px 16px}
  .lg{height:28px}
  .brand-sub{font-size:16px;padding-left:10px}
  .nav{margin-left:0;width:100%}
}
#cap:empty{display:none}
.form>.tag{justify-self:start;align-self:flex-start}