/* ================= AI及科技比赛报名系统 · 全局样式（PC + H5 响应式） ================= */
:root{
  --primary:#2563eb; --primary-dark:#1d4ed8; --primary-soft:#eff6ff;
  --ink:#1e293b; --muted:#64748b; --line:#e2e8f0; --bg:#f4f6fb; --card:#fff;
  --ok:#059669; --ok-soft:#ecfdf5; --warn:#d97706; --warn-soft:#fffbeb;
  --danger:#dc2626; --danger-soft:#fef2f2; --radius:14px;
  --shadow:0 1px 3px rgba(15,23,42,.08),0 4px 14px rgba(15,23,42,.05);
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{font-family:"Microsoft YaHei","PingFang SC","Segoe UI",system-ui,sans-serif;background:var(--bg);color:var(--ink);font-size:14.5px;line-height:1.65}
a{color:var(--primary);text-decoration:none}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:14px}

/* ---------- 通用组件 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:10px;padding:9px 18px;font-size:14px;cursor:pointer;transition:.15s;background:#eef2f7;color:var(--ink);white-space:nowrap}
.btn:hover{filter:brightness(.96)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.primary{background:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-dark)}
.btn.ok{background:var(--ok);color:#fff}
.btn.danger{background:var(--danger);color:#fff}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--muted)}
.btn.ghost:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-soft)}
.btn.sm{padding:5px 12px;font-size:13px;border-radius:8px}
.btn.lg{padding:12px 26px;font-size:15.5px;border-radius:12px}
.btn.block{width:100%}

.input,.select,.textarea{width:100%;border:1px solid #cbd5e1;border-radius:10px;padding:9px 12px;font-size:14px;background:#fff;color:var(--ink);transition:.15s;outline:none}
.input:focus,.select:focus,.textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.14)}
.textarea{resize:vertical;min-height:80px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:600}
.field label .req{color:var(--danger);margin-left:2px}
.hint{font-size:12px;color:var(--muted);margin-top:4px}
.form-row{display:flex;gap:12px}
.form-row>*{flex:1}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card .card-hd{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.card .card-hd h3{font-size:15.5px}
.card .card-bd{padding:18px}

.badge{display:inline-block;padding:2px 11px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}
.badge.draft{background:#f1f5f9;color:#475569}
.badge.submitted{background:var(--warn-soft);color:var(--warn)}
.badge.approved{background:var(--ok-soft);color:var(--ok)}
.badge.rejected{background:var(--danger-soft);color:var(--danger)}

.table-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th{background:#f8fafc;color:var(--muted);text-align:left;padding:10px 12px;font-weight:600;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:10px 12px;border-bottom:1px solid #f1f5f9;vertical-align:middle}
.tbl tr:hover td{background:#fafcff}
.tbl .ops{display:flex;gap:6px;flex-wrap:wrap}

.empty{text-align:center;padding:48px 20px;color:var(--muted)}
.empty .ico{font-size:40px;margin-bottom:10px;opacity:.5}

/* toast */
#toast-box{position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:9999;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none;width:max-content;max-width:92vw}
.toast{background:#0f172a;color:#fff;padding:10px 20px;border-radius:10px;font-size:13.5px;box-shadow:0 8px 24px rgba(0,0,0,.25);animation:tin .25s;max-width:100%}
.toast.ok{background:var(--ok)}
.toast.err{background:var(--danger)}
@keyframes tin{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* modal */
.modal-mask{position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:1000;display:none;align-items:center;justify-content:center;padding:16px}
.modal-mask.show{display:flex}
.modal{background:#fff;border-radius:16px;width:100%;max-width:440px;box-shadow:0 20px 60px rgba(0,0,0,.3);animation:tin .2s;max-height:88vh;display:flex;flex-direction:column}
.modal .m-hd{padding:16px 20px;font-weight:700;font-size:15.5px;border-bottom:1px solid var(--line)}
.modal .m-bd{padding:18px 20px;overflow:auto}
.modal .m-ft{padding:14px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}
.modal.wide{max-width:640px}

/* 进度条 */
.prog{height:8px;background:#eef2f7;border-radius:99px;overflow:hidden}
.prog>i{display:block;height:100%;background:var(--primary);border-radius:99px;transition:width .2s;width:0}

/* ================= 登录页 ================= */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e3a8a 0%,#2563eb 55%,#3b82f6 100%);padding:20px}
.login-box{background:#fff;border-radius:20px;box-shadow:0 24px 70px rgba(0,0,0,.35);width:100%;max-width:420px;overflow:hidden}
.login-brand{background:linear-gradient(135deg,#1d4ed8,#3b82f6);color:#fff;padding:30px 30px 24px;text-align:center}
.login-brand .logo{font-size:40px;line-height:1}
.login-brand h1{font-size:20px;margin-top:10px;letter-spacing:1px}
.login-brand p{font-size:12.5px;opacity:.85;margin-top:4px}
.login-body{padding:24px 28px 28px}
.seg{display:flex;background:#f1f5f9;border-radius:10px;padding:4px;margin-bottom:20px}
.seg button{flex:1;border:none;background:transparent;padding:8px;border-radius:8px;font-size:14px;cursor:pointer;color:var(--muted);font-weight:600;transition:.15s}
.seg button.on{background:#fff;color:var(--primary);box-shadow:0 1px 4px rgba(0,0,0,.12)}
.login-foot{text-align:center;font-size:12px;color:var(--muted);padding:0 20px 22px}

/* ================= 应用布局 ================= */
.app{min-height:100vh;display:flex;flex-direction:column}
.topbar{background:#fff;border-bottom:1px solid var(--line);padding:0 22px;height:58px;display:flex;align-items:center;gap:14px;position:sticky;top:0;z-index:100}
.topbar .brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16.5px;color:var(--primary-dark);cursor:pointer}
.topbar .brand .logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,#2563eb,#3b82f6);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px}
.topbar .sp{flex:1}
.topbar .who{display:flex;align-items:center;gap:10px}
.topbar .avatar{width:32px;height:32px;border-radius:50%;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13.5px}
.topbar .who .nm{font-size:13.5px;font-weight:600}
.topbar .who .rl{font-size:11px;color:var(--muted);display:block;line-height:1.2}

.app-body{flex:1;display:flex;min-height:0}
.sidebar{width:200px;background:#fff;border-right:1px solid var(--line);padding:14px 10px;display:flex;flex-direction:column;gap:4px}
.side-link{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:10px;color:var(--muted);font-size:14px;cursor:pointer;font-weight:600;transition:.15s;border:none;background:none;text-align:left;width:100%}
.side-link:hover{background:var(--primary-soft);color:var(--primary)}
.side-link.on{background:var(--primary-soft);color:var(--primary)}
.side-link .em{font-size:16px}
.side-badge{margin-left:auto;background:var(--danger);color:#fff;font-size:11px;border-radius:99px;padding:1px 7px;font-weight:700}
.main{flex:1;padding:22px;min-width:0;max-width:1200px;margin:0 auto;width:100%}

/* 统计卡 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow);cursor:default}
.stat .k{font-size:12.5px;color:var(--muted);font-weight:600}
.stat .v{font-size:26px;font-weight:800;margin-top:2px}
.stat .v.blue{color:var(--primary)} .stat .v.green{color:var(--ok)} .stat .v.orange{color:var(--warn)}
.stat .sub{font-size:11.5px;color:var(--muted);margin-top:2px}
.panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* 筛选栏 */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px;align-items:center}
.filters .input,.filters .select{width:auto;min-width:150px}
.filters .input.grow{flex:1;min-width:180px}

/* 动态人员行 */
.people-row{display:flex;gap:8px;margin-bottom:8px;align-items:center}
.people-row .input{flex:1}
.people-row .del{width:36px;height:36px;flex:none;border-radius:9px;border:1px solid var(--line);background:#fff;color:var(--danger);cursor:pointer;font-size:16px}
.add-people{border:1.5px dashed #cbd5e1;background:#f8fafc;color:var(--muted);width:100%;padding:9px;border-radius:10px;cursor:pointer;font-size:13px;transition:.15s}
.add-people:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}

/* 上传区 */
.dropzone{border:2px dashed #bfdbfe;background:var(--primary-soft);border-radius:14px;padding:26px 18px;text-align:center;cursor:pointer;transition:.15s}
.dropzone:hover,.dropzone.drag{border-color:var(--primary);background:#e0edff}
.dropzone .ico{font-size:34px}
.dropzone p{color:var(--primary-dark);font-weight:700;margin-top:6px}
.dropzone .hint{margin-top:2px}
.up-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;margin-top:10px;background:#fff}
.up-item .fico{width:40px;height:40px;flex:none;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:19px;background:#f1f5f9}
.up-item .finfo{flex:1;min-width:0}
.up-item .fname{font-size:13.5px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.up-item .fmeta{font-size:11.5px;color:var(--muted)}
.up-item .prog{margin-top:6px}
.up-item .acts{display:flex;gap:6px;flex:none}

/* 详情键值 */
.kv-list{display:grid;grid-template-columns:110px 1fr;gap:10px 14px;font-size:14px}
.kv-list .k{color:var(--muted);font-weight:600;font-size:13px}
.people-chips{display:flex;gap:6px;flex-wrap:wrap}
.people-chips span{background:#f1f5f9;border-radius:8px;padding:3px 10px;font-size:13px}

/* 附件网格（预览入口） */
.att-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}
.att-card{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:#fff;cursor:pointer;transition:.15s}
.att-card:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.att-card .fico{font-size:24px}
.att-card .fi{min-width:0;flex:1}
.att-card .fn{font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.att-card .fm{font-size:11px;color:var(--muted)}

/* 详情抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(15,23,42,.4);z-index:900;display:none}
.drawer-mask.show{display:block}
.drawer{position:fixed;top:0;right:-560px;width:560px;max-width:94vw;height:100vh;background:#fff;z-index:950;box-shadow:-12px 0 40px rgba(0,0,0,.18);transition:right .25s;display:flex;flex-direction:column}
.drawer.show{right:0}
.drawer .d-hd{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.drawer .d-hd h3{font-size:16px}
.drawer .d-bd{flex:1;overflow-y:auto;padding:20px}
.drawer .d-ft{padding:14px 20px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}
.close-x{border:none;background:#f1f5f9;width:30px;height:30px;border-radius:8px;cursor:pointer;font-size:15px;color:var(--muted)}
.close-x:hover{background:#e2e8f0}

/* 类别条形图 */
.bar-row{display:flex;align-items:center;gap:10px;margin:9px 0}
.bar-row .bl{width:110px;font-size:12.5px;color:var(--muted);text-align:right;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar-row .btrack{flex:1;height:18px;background:#f1f5f9;border-radius:99px;overflow:hidden}
.bar-row .btrack>i{display:block;height:100%;background:linear-gradient(90deg,#3b82f6,#2563eb);border-radius:99px;min-width:2px}
.bar-row .bv{width:44px;font-size:12.5px;font-weight:700}

/* ================= 预览页 ================= */
.pv-page{height:100vh;display:flex;flex-direction:column;background:#0f172a}
.pv-bar{background:#111c33;color:#e2e8f0;padding:10px 18px;display:flex;align-items:center;gap:12px;flex:none}
.pv-bar .fi{font-size:18px}
.pv-bar .fn{font-weight:700;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pv-bar .fm{font-size:11.5px;color:#94a3b8;white-space:nowrap}
.pv-bar .sp{flex:1}
.pv-body{flex:1;min-height:0;display:flex;align-items:stretch;justify-content:center;overflow:auto;padding:0}
.pv-body.light{background:#e8edf5}
.pv-body img{max-width:100%;max-height:100%;object-fit:contain;margin:auto}
.pv-body iframe{flex:1;border:none}
.pv-body video,.pv-body audio{margin:auto;max-width:100%;outline:none}
.pv-fallback{margin:auto;text-align:center;color:#cbd5e1;max-width:480px;padding:30px}
.pv-fallback .ico{font-size:52px}
.pv-fallback h3{color:#fff;margin:12px 0 6px;font-size:17px}
.pv-fallback p{font-size:13px;color:#94a3b8;margin-bottom:18px}
.pv-text{background:#fff;color:#1e293b;font-family:Consolas,Menlo,monospace;font-size:13px;line-height:1.7;padding:22px;white-space:pre-wrap;word-break:break-all;flex:1;overflow:auto;margin:14px;border-radius:10px;max-height:calc(100% - 28px)}
.pv-doc{background:#fff;flex:1;margin:14px;border-radius:10px;padding:34px 40px;overflow:auto;color:#1e293b}
.pv-doc h1,.pv-doc h2,.pv-doc h3{margin:14px 0 8px}
.pv-doc p{margin:8px 0}
.pv-doc table{border-collapse:collapse;margin:10px 0}
.pv-doc td,.pv-doc th{border:1px solid #cbd5e1;padding:5px 10px;font-size:13px}
.pv-doc img{max-width:100%}
.pv-xlsx{flex:1;overflow:auto;margin:14px;background:#fff;border-radius:10px;padding:6px}
.pv-xlsx h4{padding:8px 12px 4px;color:var(--primary-dark)}
.pv-xlsx table{border-collapse:collapse;font-size:12.5px;width:100%}
.pv-xlsx td,.pv-xlsx th{border:1px solid #dbe3ef;padding:4px 9px;white-space:nowrap;max-width:320px;overflow:hidden;text-overflow:ellipsis}
.pv-xlsx th{background:#f1f5f9;font-weight:700;position:sticky;top:0}

/* ================= 响应式（手机 H5） ================= */
.hamb{display:none;border:none;background:#f1f5f9;width:36px;height:36px;border-radius:9px;font-size:17px;cursor:pointer}
@media(max-width:768px){
  body{font-size:14px}
  .hamb{display:inline-flex;align-items:center;justify-content:center}
  .sidebar{position:fixed;left:-230px;top:58px;bottom:0;z-index:800;transition:left .25s;width:210px;box-shadow:8px 0 30px rgba(0,0,0,.12)}
  .sidebar.show{left:0}
  .main{padding:14px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .stat .v{font-size:21px}
  .panel-grid{grid-template-columns:1fr}
  .form-row{flex-direction:column;gap:0}
  .topbar{padding:0 12px;gap:8px}
  .topbar .who .nm{display:none}
  .filters .input,.filters .select{flex:1;min-width:110px;width:auto}
  /* 表格转卡片 */
  .table-wrap table,.tbl thead,.tbl tbody,.tbl tr,.tbl td{display:block}
  .tbl thead{display:none}
  .tbl tr{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;padding:6px 4px}
  .tbl td{border:none;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:7px 12px}
  .tbl td::before{content:attr(data-l);color:var(--muted);font-size:12px;font-weight:600;flex:none}
  .tbl td .ops{justify-content:flex-end}
  .btn{padding:9px 14px}
  .btn.lg{padding:12px 18px}
  .pv-doc{padding:20px 16px}
}
@media(min-width:769px){ .mob-only{display:none!important} }