:root{--bg:#f4f6f9;--card:#fff;--line:#e3e7ee;--text:#1f2937;--mute:#6b7280;--pri:#2563eb;--ok:#16a34a;--warn:#d97706;--red:#dc2626}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:14px/1.6 -apple-system,"Segoe UI","Microsoft JhengHei","PingFang TC",sans-serif;-webkit-tap-highlight-color:transparent}
a{color:var(--pri);text-decoration:none}
h1{font-size:20px;margin:0}h2{font-size:16px;margin:0}
main{max-width:1400px;margin:0 auto;padding:20px 16px calc(40px + env(safe-area-inset-bottom))}

/* ---------- 頂部 ---------- */
.top{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:16px;padding:10px 20px;background:#111827;color:#fff}
.top .brand{color:#fff;font-weight:700;font-size:16px;margin-right:auto;white-space:nowrap}
.top .menu{display:flex;align-items:center;gap:16px}
.top .nav{display:flex;gap:14px}.top .nav a{color:#e5e7eb}
.top .who{color:#e5e7eb;font-size:13px;white-space:nowrap}
.top .logout{color:#cbd5e1;white-space:nowrap}
.menu-btn{display:none;background:none;border:0;color:#fff;font-size:22px;padding:4px 8px;cursor:pointer}

/* ---------- 共用元件 ---------- */
.bar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:16px}
.card.danger{border-color:#fecaca}
.card.login{max-width:380px;margin:60px auto}
.card.info{display:flex;flex-wrap:wrap;gap:8px 32px}
.card.info .content{flex-basis:100%;padding-top:8px;border-top:1px dashed var(--line)}
.lbl{color:var(--mute);margin-right:8px;font-size:13px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:6px 14px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--text);cursor:pointer;font-size:14px;white-space:nowrap}
.btn:hover{border-color:#9ca3af}.btn:disabled{opacity:.6}
.btn.primary{background:var(--pri);border-color:var(--pri);color:#fff}
.btn.red{color:var(--red);border-color:#fecaca}
.btn.sm{min-height:30px;padding:3px 10px;font-size:13px}
input,textarea,select{font:inherit;padding:7px 10px;border:1px solid #cfd5df;border-radius:6px;width:100%;background:#fff;color:var(--text)}
input:focus,textarea:focus,select:focus{outline:2px solid #bfdbfe;border-color:var(--pri)}
.form label,.login label{display:block;margin-bottom:12px;color:var(--mute);font-size:13px}
.form label input,.form label textarea,.form label select,.login input{margin-top:4px;font-size:14px}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.grid-acc{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px 12px;margin:6px 0 4px}
.grid-acc label{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:0}
.grid-acc label input{flex:1;margin:0;min-width:0}
.grid-acc .no{color:var(--mute);width:1.6em}
.acc-msg{flex-basis:100%;color:var(--red);font-size:12px;line-height:1.4}
.acc-input.used,.acc-input.dup{border-color:var(--red);background:#fef2f2}
.hint{color:var(--mute);font-size:12px}
.inline-chk{display:flex!important;align-items:center;gap:6px}.inline-chk input{width:auto!important;margin:0!important;min-height:0!important}
.mono{font-family:Consolas,"SF Mono",monospace}
.nowrap{white-space:nowrap}.small{font-size:12px;color:var(--mute)}.mute{color:#9ca3af}
.empty{text-align:center;color:var(--mute);padding:30px}
.tag{display:inline-block;padding:0 8px;border-radius:10px;font-size:12px;background:#e5e7eb}
.tag.warn{background:#fef3c7;color:var(--warn)}.tag.ok{background:#dcfce7;color:var(--ok)}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:10px;background:#dcfce7;color:#14532d}
.flash.err{background:#fee2e2;color:#7f1d1d}
.role-admin,.role-user{padding:0 6px;border-radius:4px;font-size:12px}
.role-admin{background:#fde68a;color:#92400e}.role-user{background:#e0e7ff;color:#3730a3}
.search{display:flex;gap:6px}.search input{width:200px;padding:5px 10px}
.search button{padding:5px 12px;border:0;border-radius:6px;background:var(--pri);color:#fff;cursor:pointer;white-space:nowrap}

/* 新增登錄（可收合） */
.add-form summary{cursor:pointer;list-style:none;user-select:none}
.add-form summary::-webkit-details-marker{display:none}
.add-form[open] summary{margin-bottom:12px}
.add-form summary h2{display:inline}

/* 狀態分頁 */
.tabs{display:flex;gap:4px;flex-wrap:wrap}
.tabs a{padding:5px 12px;border-radius:6px;color:var(--mute);white-space:nowrap}
.tabs a small{font-size:12px;opacity:.8}
.tabs a.on{background:#eff6ff;color:var(--pri);font-weight:600}
.pager{display:flex;justify-content:center;align-items:center;gap:12px;margin-top:14px;color:var(--mute)}

/* ---------- 表格 ---------- */
table{width:100%;border-collapse:collapse}
th,td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:#f9fafb;font-size:13px;color:var(--mute);white-space:nowrap}
tr.disabled td{color:#9ca3af}
.c-act{white-space:nowrap}

.accs{display:flex;flex-wrap:wrap;gap:4px}
.acc{display:inline-flex;align-items:center;gap:4px;padding:2px 8px 2px 4px;border:1px solid var(--line);border-radius:6px;cursor:pointer;font-family:Consolas,"SF Mono",monospace;white-space:nowrap;background:#fff;user-select:none;transition:background .12s}
.acc input{width:auto;margin:0;accent-color:var(--ok)}
.acc.ok{background:#dcfce7;border-color:#86efac}
.acc.busy{opacity:.6}
.prog{font-weight:600;color:var(--warn)}.prog.full{color:var(--ok)}
.regs select{width:auto;padding:4px 6px}
.regs .note-input{min-width:120px;padding:4px 8px}
.audit{white-space:nowrap}
.audit div+div{margin-top:4px;padding-top:4px;border-top:1px dashed var(--line)}
.audit .t{display:block}
.audit b{color:var(--text)}
tr.st-通過 td{background:#f0fdf4}
tr.st-不通過 td{background:#fef2f2}
tr.st-不通過 .c-name,tr.st-不通過 .c-acc a{color:#9ca3af}
tr:target td{box-shadow:inset 0 2px 0 #fbbf24,inset 0 -2px 0 #fbbf24}

.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom));transform:translate(-50%,20px);background:#111827;color:#fff;padding:10px 18px;border-radius:8px;z-index:99;opacity:0;pointer-events:none;transition:.2s;max-width:calc(100% - 32px);text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.err{background:var(--red)}

/* =================== 手機版 =================== */
@media (max-width: 760px){
  main{padding:12px 10px calc(40px + env(safe-area-inset-bottom))}
  h1{font-size:18px}
  .card{padding:12px;border-radius:8px;margin-bottom:12px}

  /* 頂部：漢堡選單 */
  .top{flex-wrap:wrap;padding:8px 12px;gap:8px}
  .top .brand{font-size:15px}
  .menu-btn{display:block}
  .top .menu{display:none;flex-basis:100%;flex-direction:column;align-items:stretch;gap:0;padding-bottom:6px}
  .top.open .menu{display:flex}
  .top .nav{flex-direction:column;gap:0}
  .top .nav a,.top .logout{padding:10px 4px;border-top:1px solid #1f2937}
  .top .search{padding:10px 0}.top .search input{flex:1;width:auto}
  .top .who{padding:6px 4px}

  /* 16px 避免 iOS 點輸入框自動放大；加大觸控區 */
  input,select,textarea{font-size:16px!important;min-height:42px}
  .btn{min-height:42px}
  .btn.sm{min-height:36px;padding:4px 12px}
  .block-m{width:100%}
  .bar{margin-bottom:10px}
  .actions{width:100%}
  .actions .btn{flex:1}
  .row{grid-template-columns:1fr;gap:0}
  .grid-acc{grid-template-columns:1fr 1fr;gap:8px}
  .search.inline{width:100%}.search.inline input{flex:1;width:auto}
  .search button{min-height:42px;padding:0 16px}
  .tabs{width:100%;flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .tabs a{padding:8px 12px}
  .card.info{gap:4px 16px}

  /* 一般表格 → 卡片 */
  table.cards thead,table.regs thead{display:none}
  table.cards,table.cards tbody,table.cards tr,table.cards td{display:block}
  table.cards tr{position:relative;border:1px solid var(--line);border-radius:8px;padding:10px 12px;margin-bottom:10px;background:#fff}
  table.cards td{border:0;padding:2px 0}
  table.cards td[data-label]{display:flex;gap:8px}
  table.cards td[data-label]::before{content:attr(data-label);color:var(--mute);min-width:4.5em;font-size:13px}
  table.cards .c-id{position:absolute;right:12px;top:10px;color:var(--mute);font-size:12px}
  table.cards .c-title{font-size:15px;padding-right:40px;margin-bottom:4px}
  table.cards .c-act{display:flex;gap:6px;margin-top:8px}
  table.cards .c-act .btn{flex:1}

  /* 登錄列表 → 審核卡片 */
  table.regs,table.regs tbody{display:block}
  table.regs tr.empty-row,table.regs tr.empty-row td{display:block;border:0}
  table.regs tr.reg{display:grid;grid-template-columns:1fr auto;grid-template-areas:
      "acc  st"
      "name prog"
      "rel  rel"
      "note note"
      "aud  aud";
    gap:6px 10px;border:1px solid var(--line);border-radius:10px;padding:12px;margin-bottom:10px;background:#fff;position:relative}
  table.regs tr.reg td{display:block;border:0;padding:0;background:none!important;box-shadow:none!important}
  table.regs tr.st-通過{background:#f0fdf4;border-color:#bbf7d0}
  table.regs tr.st-不通過{background:#fef2f2;border-color:#fecaca}
  table.regs tr.reg:target{outline:2px solid #fbbf24}
  table.regs .c-id{display:none!important}
  table.regs .c-acc{grid-area:acc;font-size:16px;font-weight:600;align-self:center}
  table.regs .c-name{grid-area:name;font-size:14px;align-self:center}
  table.regs .c-prog{grid-area:prog;text-align:right;font-size:15px;align-self:center}
  table.regs .c-st{grid-area:st}
  table.regs .c-st select{min-width:100px;font-weight:600}
  table.regs .c-rel{grid-area:rel}
  table.regs .c-note{grid-area:note}
  table.regs .c-note input{width:100%}
  table.regs .c-audit{grid-area:aud;white-space:normal;display:flex!important;flex-wrap:wrap;gap:2px 12px;align-items:center}
  table.regs .audit div+div{margin:0;padding:0;border:0}
  table.regs .audit .t{display:inline}
  table.regs .c-del{position:absolute;right:12px;bottom:10px}
  table.regs .c-del .btn{min-height:30px;padding:2px 10px}
  table.regs tr.reg:has(.c-del) .c-audit{padding-right:64px}

  /* 關聯帳號：大按鈕方便手指點 */
  .accs{display:grid;grid-template-columns:1fr 1fr;gap:6px}
  .acc{min-height:44px;padding:6px 10px;font-size:15px;border-radius:8px;justify-content:flex-start;overflow:hidden}
  .acc input{width:20px;height:20px;min-height:0!important;flex:none}
  .acc span{overflow:hidden;text-overflow:ellipsis}
}
@media (max-width: 360px){
  .accs,.grid-acc{grid-template-columns:1fr}
}
@media (max-width: 760px){
  table.cards.compact td[data-label]{display:inline-flex;gap:4px;margin-right:14px}
  table.cards.compact td[data-label]::before{min-width:0}
}
.logout-form{display:inline;margin:0}
.logout-form button{background:none;border:0;font:inherit;cursor:pointer;padding:0}
.flash code{background:rgba(0,0,0,.06);padding:0 4px;border-radius:3px}
@media (max-width: 760px){ .logout-form button{display:block;width:100%;text-align:left;padding:10px 4px;border-top:1px solid #1f2937} }

/* ---------- 複製按鈕 ---------- */
.acc-wrap{display:inline-flex;align-items:stretch}
.acc-wrap .acc{border-top-right-radius:0;border-bottom-right-radius:0}
.copy{border:1px solid var(--line);border-left:0;background:#f9fafb;color:var(--pri);font-size:12px;padding:0 8px;border-radius:0 6px 6px 0;cursor:pointer;white-space:nowrap}
.copy:hover{background:#eff6ff}
.copy.copied{background:#dcfce7;color:var(--ok)}
.acc-wrap.done .copy{display:none}
.acc-wrap.done .acc{border-radius:6px}
.copy-buf{position:fixed;top:0;left:0;width:1px;height:1px;opacity:0;pointer-events:none}
@media (max-width: 760px){
  .acc-wrap{display:flex;min-width:0}
  .acc-wrap .acc{flex:1;min-width:0}
  .copy{min-width:52px;font-size:14px;border-radius:0 8px 8px 0}
  .acc-wrap.done .acc{border-radius:8px}
}
@media (max-width: 760px){
  .accs{grid-template-columns:1fr}          /* 一列一個帳號，完整顯示不截斷 */
  .acc span{overflow:visible;text-overflow:clip;letter-spacing:.3px}
}