/* ============================================================
   后台管理 —— 清晰、现代、偏白淡紫
   ============================================================ */
body.admin{
  --bg:#f6f3fb;
  --bg-2:#f0ebf8;
  --panel:#ffffff;
  --panel-2:#faf8fd;
  --panel-3:#f3effa;
  --line:#e4ddf0;
  --line-2:#d5cce6;
  --txt:#2a2540;
  --txt-2:#4a4560;
  --muted:#8b849e;
  --muted-2:#a59eb8;
  --shadow:0 22px 50px -28px rgba(100,70,160,.22);
  background:radial-gradient(1200px 700px at 82% -10%, #ebe4f7 0%, #f6f3fb 46%, #faf8fd 100%);
  color:var(--txt);
  min-height:100vh;
}
/* 登录页不再叠深色蒙版 */
body.admin .bg-scrim{display:none}

/* ---------- 布局 ---------- */
.app{display:flex;min-height:100vh}
.side{width:246px;flex-shrink:0;border-right:1px solid var(--line);background:rgba(255,255,255,.72);backdrop-filter:blur(10px);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.side-brand{padding:22px 20px 18px;border-bottom:1px solid var(--line)}
.side-brand .en{font-size:10px;letter-spacing:.22em;color:var(--purple);font-weight:700;text-transform:uppercase}
.side-brand .zh{font-size:16px;font-weight:800;margin-top:6px}
.side-brand .tag{font-size:11px;color:var(--muted);margin-top:3px}
.nav{padding:14px 12px;display:flex;flex-direction:column;gap:4px;flex:1;overflow:auto}
.nav a{display:flex;align-items:center;gap:11px;padding:11px 14px;border-radius:11px;color:var(--txt-2);font-size:14px;font-weight:600;transition:.15s}
.nav a .ic{width:18px;text-align:center;opacity:.85}
.nav a:hover{background:rgba(139,92,246,.06);color:var(--txt)}
.nav a.active{background:linear-gradient(180deg,rgba(139,92,246,.16),rgba(139,92,246,.06));color:var(--purple);box-shadow:0 0 0 1px rgba(139,92,246,.28) inset}
.side-foot{padding:14px;border-top:1px solid var(--line);font-size:12px;color:var(--muted-2)}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 28px;border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:5;background:rgba(246,243,251,.82);backdrop-filter:blur(10px)}
.page-title{font-size:19px;font-weight:800}
.page-sub{font-size:13px;color:var(--muted);margin-top:2px}
.top-actions{display:flex;align-items:center;gap:10px}
.content{padding:26px 28px 60px;max-width:1180px;width:100%}

/* ---------- 卡片 ---------- */
.card{background:linear-gradient(180deg,rgba(255,255,255,.92),rgba(250,248,253,.88));border:1px solid var(--line);border-radius:16px;margin-bottom:20px;overflow:hidden;box-shadow:0 8px 24px -18px rgba(100,70,160,.18)}
.card-h{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:17px 20px;border-bottom:1px solid var(--line)}
.card-h h3{font-size:15px;font-weight:800;margin:0}
.card-h .desc{font-size:12.5px;color:var(--muted);margin-top:3px}
.card-b{padding:20px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}

/* ---------- 表单 ---------- */
.field{margin-bottom:16px}
.field:last-child{margin-bottom:0}
.field > label{display:block;font-size:13px;color:var(--txt-2);margin-bottom:7px;font-weight:600}
.field > label.switch{display:inline-flex;align-items:center;margin-bottom:0;font-weight:600;color:var(--txt-2)}
.field .tip{font-size:12px;color:var(--muted);margin-top:6px}
input[type=text],input[type=number],input[type=password],select,textarea{
  width:100%;padding:11px 13px;background:#fff;border:1px solid var(--line-2);border-radius:10px;color:var(--txt);font-size:14px;
  outline:none;transition:.15s;font-family:inherit}
textarea{resize:vertical;min-height:74px;line-height:1.6}
input:focus,select:focus,textarea:focus{border-color:var(--purple);box-shadow:0 0 0 3px rgba(139,92,246,.15)}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b849e' stroke-width='3'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 13px center;padding-right:34px}
.row{display:flex;gap:14px;flex-wrap:wrap}
.row > .field{flex:1;min-width:150px}

/* 开关 */
.switch{position:relative;display:inline-flex;align-items:center;gap:10px;cursor:pointer;font-size:13.5px;color:var(--txt-2);line-height:1.4}
.switch input{
  position:absolute;opacity:0;width:1px;height:1px;margin:0;padding:0;overflow:hidden;clip:rect(0,0,0,0);
  -webkit-appearance:none;appearance:none;pointer-events:none;
}
.switch .track{display:block;width:44px;height:25px;border-radius:999px;background:#d8d2e8;transition:.18s;position:relative;flex-shrink:0;overflow:hidden}
.switch .track::after{content:"";position:absolute;top:3px;left:3px;width:19px;height:19px;border-radius:50%;background:#fff;transition:.18s;box-shadow:0 1px 4px rgba(42,37,64,.18)}
.switch input:checked + .track{background:var(--purple)}
.switch input:checked + .track::after{transform:translateX(19px)}
.switch .switch-txt{flex:1;min-width:0}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:11px 18px;border-radius:10px;border:1px solid var(--line-2);
  background:rgba(255,255,255,.85);color:var(--txt);font-size:14px;font-weight:700;cursor:pointer;transition:.15s;white-space:nowrap;text-decoration:none}
.btn:hover{background:#fff;border-color:#c9bedf;transform:translateY(-1px)}
.btn.primary{border-color:transparent;color:#fff;background:linear-gradient(180deg,var(--purple-2),var(--purple));box-shadow:0 12px 26px -12px rgba(139,92,246,.8)}
.btn.primary:hover{filter:brightness(1.07)}
.btn.danger{color:var(--red-2);border-color:rgba(251,58,93,.4)}
.btn.danger:hover{background:rgba(251,58,93,.08)}
.btn.ghost{background:transparent}
.btn.sm{padding:7px 12px;font-size:12.5px;border-radius:8px}
.btn.block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}

/* ---------- 表格 ---------- */
.tbl{width:100%;border-collapse:collapse}
.tbl th{text-align:left;font-size:12px;color:var(--muted);font-weight:600;padding:11px 14px;border-bottom:1px solid var(--line)}
.tbl td{padding:13px 14px;border-bottom:1px solid rgba(228,221,240,.8);font-size:14px;vertical-align:middle}
.tbl tr:last-child td{border-bottom:none}
.tbl tr:hover td{background:rgba(139,92,246,.04)}
.tbl .actions{display:flex;gap:8px;justify-content:flex-end}

/* 徽章 */
.tag{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;border:1px solid var(--line-2);color:var(--txt-2)}
.tag.green{color:#15803d;border-color:rgba(34,197,94,.35);background:rgba(34,197,94,.08)}
.tag.purple{color:var(--purple);border-color:rgba(139,92,246,.35);background:rgba(139,92,246,.08)}
.tag.red{color:#dc2626;border-color:rgba(251,58,93,.35);background:rgba(251,58,93,.08)}
.tag.gray{color:var(--muted)}
.side-chip{display:inline-block;width:12px;height:12px;border-radius:50%;background:var(--c);vertical-align:middle}

/* 二维码卡片 */
.qr-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
.qr-card{border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.9);padding:18px;text-align:center}
.qr-card .qbox{background:#fff;border-radius:10px;padding:10px;display:inline-block;margin:6px 0 12px;width:170px;height:170px;box-sizing:border-box}
.qr-card .qbox img,.qr-card .qbox canvas,.qr-card .qbox svg{display:block;width:150px;height:150px;max-width:100%}

/* 评委头像 */
.j-avatar-cell{display:flex;align-items:center;gap:10px}
.j-avatar{width:48px;height:48px;border-radius:50%;object-fit:cover;border:1px solid var(--line-2);background:#efeaf8;flex-shrink:0}
.j-avatar.ph{display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:var(--muted)}
.j-avatar-btns{display:flex;flex-direction:column;gap:4px}
.j-avatar-btns .btn{padding:4px 8px;font-size:11px}

/* 选手库 */
.c-toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:16px}
.c-toolbar .grow{flex:1;min-width:160px}
.group-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.group-tab{padding:8px 14px;border-radius:999px;border:1px solid var(--line-2);background:#fff;font-size:13px;font-weight:700;color:var(--txt-2);cursor:pointer}
.group-tab.active{background:rgba(139,92,246,.12);border-color:rgba(139,92,246,.4);color:var(--purple)}
.drag-handle{cursor:grab;color:var(--muted);user-select:none;padding:0 6px}
.tbl tr.dragging{opacity:.45}
.tbl tbody.sortable tr{cursor:default}
.assign-box{max-height:280px;overflow:auto;border:1px solid var(--line);border-radius:12px;padding:8px;background:#fff}
.assign-box label{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;cursor:pointer;font-size:13.5px}
.assign-box label:hover{background:rgba(139,92,246,.06)}
.import-area{width:100%;min-height:140px;font-family:ui-monospace,Consolas,monospace;font-size:13px;line-height:1.55}

/* 现场控制条 + 快速上场 */
.live-bar{position:sticky;top:72px;z-index:8;margin:-6px 0 18px;padding:14px 16px;border:1px solid var(--line);
  border-radius:14px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);box-shadow:0 10px 28px -20px rgba(100,70,160,.28);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.live-bar-main{display:flex;align-items:center;gap:14px;flex-wrap:wrap;min-width:0}
.live-bar-label{font-size:11px;color:var(--muted);font-weight:700;letter-spacing:.04em}
.live-bar-title{font-size:15px;font-weight:800;color:var(--txt);margin-top:2px}
.live-bar-acts{display:flex;flex-wrap:wrap;gap:8px}
.quick-stage{background:linear-gradient(180deg,rgba(139,92,246,.06),rgba(255,255,255,0))}
.quick-title{font-size:13px;font-weight:700;color:var(--txt-2);margin-bottom:12px}
.qs-preview{font-size:13px;line-height:1.6}
.qr-card .qn{font-size:15px;font-weight:800}
.qr-card .qr-url{font-size:11px;color:var(--muted);word-break:break-all;margin-top:8px;line-height:1.5}

/* ---------- 弹层 ---------- */
.modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:20px;
  background:rgba(60,45,100,.28);backdrop-filter:blur(4px)}
.modal.show{display:flex}
.modal-card{width:100%;max-width:640px;max-height:90vh;overflow:auto;background:#fff;border:1px solid var(--line-2);border-radius:18px;box-shadow:var(--shadow)}
.modal-h{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--line)}
.modal-h h3{margin:0;font-size:16px;font-weight:800}
.modal-x{cursor:pointer;color:var(--muted);font-size:22px;line-height:1;background:none;border:none}
.modal-b{padding:22px}
.modal-f{display:flex;justify-content:flex-end;gap:10px;padding:16px 22px;border-top:1px solid var(--line)}

/* 选项编辑行 */
.opt-row{display:grid;grid-template-columns:120px 1fr 1fr 90px 34px;gap:10px;align-items:center;margin-bottom:10px}
.opt-row .rm{cursor:pointer;color:var(--red-2);text-align:center;font-size:18px;background:none;border:none}
@media(max-width:640px){.opt-row{grid-template-columns:1fr 1fr}}

/* 提示 */
.toast{position:fixed;top:20px;left:50%;transform:translateX(-50%);z-index:200;background:#fff;border:1px solid var(--line-2);
  color:var(--txt);padding:12px 20px;border-radius:12px;font-size:14px;font-weight:600;opacity:0;transition:.25s;pointer-events:none;box-shadow:var(--shadow)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{border-color:rgba(251,58,93,.45);color:#b91c3c;background:#fff5f7}
.toast.ok{border-color:rgba(34,197,94,.45);color:#15803d;background:#f0fdf4}

.empty-row{text-align:center;color:var(--muted);padding:40px 0;font-size:14px}
.hl{color:var(--purple);font-weight:700}
.muted{color:var(--muted)}
.mb0{margin-bottom:0}
.mt16{margin-top:16px}

/* ---------- 控制台浮动工具（仍用于深色直播控制台） ---------- */
.console-tools{position:fixed;top:16px;right:20px;z-index:40;display:flex;gap:8px}
.console-tools .t{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border-radius:10px;border:1px solid var(--line-2);
  background:rgba(14,14,22,.8);backdrop-filter:blur(8px);color:var(--txt-2);font-size:13px;font-weight:700;cursor:pointer;transition:.15s;text-decoration:none}
.console-tools .t:hover{color:#fff;background:rgba(30,30,48,.9)}
.console-tools .t.hide{display:none}
#stage-root.no-ctl .control-bar,#stage-root.no-ctl .ctl-note{display:none !important}

/* 登录 */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{width:100%;max-width:400px;background:linear-gradient(180deg,#ffffff,#faf8fd);border:1px solid var(--line-2);border-radius:20px;padding:32px;box-shadow:var(--shadow)}
.login-card .en{font-size:11px;letter-spacing:.24em;color:var(--purple);font-weight:700;text-transform:uppercase;text-align:center}
.login-card h1{font-size:22px;font-weight:800;text-align:center;margin:10px 0 4px}
.login-card .sub{font-size:13px;color:var(--muted);text-align:center;margin-bottom:26px}
.login-err{background:rgba(251,58,93,.08);border:1px solid rgba(251,58,93,.35);color:#b91c3c;border-radius:10px;padding:10px 13px;font-size:13px;margin-bottom:16px}

@media(max-width:860px){
  .side{position:fixed;left:-260px;transition:.2s;z-index:60}
  .side.open{left:0}
  .grid2,.grid3{grid-template-columns:1fr}
  .content{padding:18px 16px 60px}
  .topbar{padding:14px 16px}
}