/* ==========================================================================
   论文业务管理系统 · 样式表（light 主题）
   ========================================================================== */
:root {
  --bg:#f4f6fa; --surface:#fff; --surface-soft:#f8fafc; --surface-hover:#f1f4f9;
  --border:#e5e9f0; --border-strong:#d3dae6;
  --text:#17212f; --text-2:#5a6678; --text-3:#8b95a7;
  --primary:#2b5fed; --primary-hover:#1f4dd0; --primary-soft:#eaf0ff; --primary-text:#1f4dd0;
  --success:#1a9c6b; --success-soft:#e6f6ef;
  --warn:#d98324; --warn-soft:#fdf2e3;
  --danger:#d5453f; --danger-soft:#fdecec;
  --info:#7a5af5; --info-soft:#f0ecfe;
  --teal:#0f8f9e; --teal-soft:#e4f5f7;
  --radius:10px; --radius-sm:7px; --radius-lg:14px;
  --shadow-sm:0 1px 2px rgba(23,33,47,.06);
  --shadow:0 2px 8px rgba(23,33,47,.07);
  --shadow-lg:0 12px 32px rgba(23,33,47,.16);
  --sidebar-w:232px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
/* 必须带 !important：本文件给 .auth / .app / .modal-root 等都写了 display，
   作者样式会盖掉浏览器默认的 [hidden]{display:none}，导致隐藏的容器仍在占位。 */
[hidden]{display:none!important}
html,body{height:100%}
body{margin:0;font-family:var(--font);font-size:14px;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
h1,h2,h3,p{margin:0}
button{font-family:inherit;font-size:inherit;color:inherit}
input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
*{scrollbar-width:thin;scrollbar-color:#c8d0dd transparent}
*::-webkit-scrollbar{width:9px;height:9px}
*::-webkit-scrollbar-thumb{background:#c8d0dd;border-radius:6px}

/* ================= 登录 / 状态页 ================= */
.auth{
  min-height:100dvh;display:grid;place-items:center;padding:24px;
  background:linear-gradient(160deg,#eef2fb 0%,#f7f9fc 45%,#eef4ff 100%);
}
.auth-card{
  width:min(400px,100%);background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:26px 26px 20px;
}
.auth-brand{display:flex;align-items:center;gap:11px;margin-bottom:20px}
.auth-brand strong{display:block;font-size:15px}
.auth-brand span{font-size:12px;color:var(--text-3)}
.brand-logo{
  width:38px;height:38px;flex:0 0 38px;border-radius:10px;
  background:linear-gradient(135deg,#2b5fed,#5b8bff);color:#fff;font-size:18px;font-weight:700;
  display:grid;place-items:center;
}
.auth-title{font-size:17px;font-weight:650;margin-bottom:4px}
.auth-desc{font-size:12.5px;color:var(--text-3);margin-bottom:18px}
.auth-form{display:flex;flex-direction:column;gap:13px}
.auth-switch{margin-top:16px;padding-top:14px;border-top:1px solid var(--border);text-align:center;font-size:13px;color:var(--text-2)}
.link-btn{
  border:0;background:transparent;color:var(--primary);font-size:13px;font-weight:600;
  cursor:pointer;padding:0 2px;text-decoration:underline;text-underline-offset:2px;
}
.link-btn:hover{color:var(--primary-hover)}
.auth-claim{margin-top:16px;padding-top:16px;border-top:1px dashed var(--border-strong)}
.auth-foot{margin-top:14px;text-align:center;font-size:12px;color:var(--text-3);min-height:16px}
.gate-icon{font-size:40px;text-align:center;margin-bottom:8px}
.gate-icon h2{font-size:16px}
#gateTitle{font-size:16px;text-align:center;margin-bottom:6px}
#gateText{text-align:center;margin-bottom:16px}
.form-error{font-size:12.5px;color:var(--danger);background:var(--danger-soft);border-radius:var(--radius-sm);padding:7px 10px}
.btn-block{width:100%;justify-content:center;height:38px}
.input-group{display:flex;gap:8px}
.input-group .input{flex:1 1 auto}
.input-group .btn{flex:0 0 auto}

/* ================= 布局 ================= */
.app{display:flex;min-height:100dvh}
.sidebar{
  width:var(--sidebar-w);flex:0 0 var(--sidebar-w);background:var(--surface);
  border-right:1px solid var(--border);display:flex;flex-direction:column;
  position:sticky;top:0;height:100dvh;z-index:40;
}
.main{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}
.content{padding:20px 24px 40px}

.brand{display:flex;align-items:center;gap:10px;padding:16px 18px;border-bottom:1px solid var(--border)}
.brand-text{display:flex;flex-direction:column}
.brand-text strong{font-size:14px}
.brand-text span{font-size:11px;color:var(--text-3)}
.nav{padding:12px 10px;overflow-y:auto;flex:1 1 auto}
.nav-group{font-size:11px;color:var(--text-3);letter-spacing:1px;padding:10px 10px 6px;font-weight:600}
.nav-item{
  width:100%;display:flex;align-items:center;gap:10px;padding:9px 10px;margin-bottom:2px;
  border:0;border-radius:var(--radius-sm);background:transparent;color:var(--text-2);
  cursor:pointer;text-align:left;transition:background .15s,color .15s;
}
.nav-item:hover{background:var(--surface-hover);color:var(--text)}
.nav-item.is-active{background:var(--primary-soft);color:var(--primary-text);font-weight:600}
.nav-ico{width:18px;height:18px;flex:0 0 18px}
.nav-ico svg{width:18px;height:18px;display:block}
.nav-label{flex:1 1 auto}
.nav-badge{
  min-width:20px;padding:0 6px;height:18px;border-radius:9px;background:var(--surface-hover);
  color:var(--text-3);font-size:11px;font-weight:600;display:grid;place-items:center;
}
.nav-item.is-active .nav-badge{background:#d8e4ff;color:var(--primary-text)}
.nav-badge.is-alert{background:var(--danger);color:#fff}

.sidebar-foot{padding:10px 12px;border-top:1px solid var(--border);display:flex;align-items:center;gap:8px}
.me{display:flex;align-items:center;gap:8px;flex:1 1 auto;min-width:0}
.me-avatar{width:30px;height:30px;flex:0 0 30px;border-radius:50%;background:var(--primary-soft);color:var(--primary-text);display:grid;place-items:center;font-size:13px;font-weight:600}
.me-info{display:flex;flex-direction:column;min-width:0}
.me-info span{font-size:12.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.me-info small{font-size:11px;color:var(--text-3)}

.topbar{
  height:62px;flex:0 0 62px;background:var(--surface);border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 24px;
  position:sticky;top:0;z-index:30;
}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}
.topbar-right{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.page-title h1{font-size:16px;font-weight:650}
.page-title p{font-size:12px;color:var(--text-3)}
.only-mobile{display:none}

/* ================= 组件 ================= */
.btn{
  display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 13px;
  border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface);
  color:var(--text);font-size:13px;font-weight:500;cursor:pointer;white-space:nowrap;
  transition:background .15s,border-color .15s,color .15s;
}
.btn:hover{background:var(--surface-hover)}
.btn svg{width:15px;height:15px}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}
.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}
.btn-danger:hover{background:#b93a35;border-color:#b93a35}
.btn-ghost{border-color:transparent;background:transparent;color:var(--text-2)}
.btn-ghost:hover{background:var(--surface-hover);color:var(--text)}
.btn-sm{height:28px;padding:0 10px;font-size:12.5px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.is-on{background:var(--primary-soft);border-color:#b9cbfb;color:var(--primary-text);font-weight:600}
.icon-btn{
  width:32px;height:32px;display:grid;place-items:center;border:1px solid transparent;
  border-radius:var(--radius-sm);background:transparent;color:var(--text-2);cursor:pointer;
}
.icon-btn:hover{background:var(--surface-hover);color:var(--text)}
.icon-btn svg{width:17px;height:17px}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;border-bottom:1px solid var(--border);flex-wrap:wrap}
.card-head h2{font-size:14.5px;font-weight:650}
.card-head .sub{font-size:12px;color:var(--text-3);font-weight:400}
.card-body{padding:16px 18px}
.card-body.is-flush{padding:0}

.kpi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.kpi{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px 18px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.kpi::after{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary)}
.kpi-good::after{background:var(--success)}
.kpi-warn::after{background:var(--warn)}
.kpi-info::after{background:var(--info)}
.kpi-label{font-size:12.5px;color:var(--text-2)}
.kpi-value{font-size:25px;font-weight:700;margin-top:6px;font-variant-numeric:tabular-nums}
.kpi-value small{font-size:13px;font-weight:500;color:var(--text-3)}
.kpi-foot{font-size:12px;color:var(--text-3);margin-top:4px}

.tag{display:inline-flex;align-items:center;gap:5px;height:22px;padding:0 8px;border-radius:6px;font-size:12px;font-weight:600;white-space:nowrap}
.tag::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.tag-gray{background:#eef1f6;color:#6b7688}
.tag-blue{background:var(--primary-soft);color:var(--primary-text)}
.tag-indigo{background:var(--info-soft);color:#6347d8}
.tag-orange{background:var(--warn-soft);color:#b96b16}
.tag-teal{background:var(--teal-soft);color:#0b7a86}
.tag-green{background:var(--success-soft);color:#14825a}
.tag-red{background:var(--danger-soft);color:#bb3a35}
.chip{display:inline-block;padding:1px 8px;border-radius:5px;background:var(--surface-hover);color:var(--text-2);font-size:12px}
.mask-value{color:var(--text-3);letter-spacing:1px}

.table-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse}
.tbl thead th{
  text-align:left;font-size:12px;font-weight:600;color:var(--text-3);letter-spacing:.4px;
  padding:10px 14px;background:var(--surface-soft);border-bottom:1px solid var(--border);white-space:nowrap;
}
.tbl tbody td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
.tbl tbody tr:last-child td{border-bottom:0}
.tbl tbody tr:hover{background:var(--surface-soft)}
.tbl .num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.tbl .col-act{text-align:right;white-space:nowrap}
.cell-main{font-weight:600;color:var(--text)}
.cell-sub{font-size:12px;color:var(--text-3)}
.clamp-1{display:block;max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.money{font-variant-numeric:tabular-nums;font-weight:600}
.money-in{color:var(--success)}
.money-out{color:var(--danger)}
.money-warn{color:var(--warn)}

.empty{padding:44px 20px;text-align:center;color:var(--text-3)}
.empty .e-ico{font-size:34px;opacity:.5;margin-bottom:8px}
.empty p{font-size:13px}

.filters{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:12px 18px;border-bottom:1px solid var(--border)}
.filters .spacer{flex:1 1 auto}
.input-search{
  height:34px;width:100%;max-width:250px;padding:0 10px 0 32px;border:1px solid var(--border-strong);
  border-radius:var(--radius-sm);background:var(--surface);
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238b95a7' stroke-width='2' stroke-linecap='round'><circle cx='11' cy='11' r='7'/><path d='m20 20-3.5-3.5'/></svg>");
  background-repeat:no-repeat;background-position:9px center;
}
.input-search:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 3px rgba(43,95,237,.13)}

.field{display:flex;flex-direction:column;gap:5px;min-width:0}
.field>label{font-size:12.5px;font-weight:600;color:var(--text-2)}
.field>label .req{color:var(--danger)}
.input,.select,.textarea{
  height:34px;width:100%;padding:0 10px;border:1px solid var(--border-strong);
  border-radius:var(--radius-sm);background:var(--surface);color:var(--text);
}
.textarea{height:auto;padding:8px 10px;resize:vertical;min-height:66px;line-height:1.6}
.select{
  appearance:none;padding-right:28px;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235a6678' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='m6 9 6 6 6-6'/></svg>");
  background-repeat:no-repeat;background-position:right 8px center;
}
.input:focus,.select:focus,.textarea:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 3px rgba(43,95,237,.13)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 16px}
.form-grid .span-2{grid-column:1/-1}
.form-section{border-top:1px solid var(--border);margin-top:6px;padding-top:14px}
.form-section>h3{font-size:12px;letter-spacing:1px;color:var(--text-3);font-weight:600;margin-bottom:10px}
.hint{font-size:12px;color:var(--text-3)}
.alert{padding:10px 12px;border-radius:var(--radius-sm);font-size:12.5px;margin-bottom:12px}
.alert-info{background:var(--primary-soft);color:var(--primary-text)}
.alert-warn{background:var(--warn-soft);color:#b96b16}

.pager{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 18px;border-top:1px solid var(--border);font-size:12.5px;color:var(--text-2);flex-wrap:wrap}
.pager-ctrl{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.pager-btn{height:28px;min-width:28px;padding:0 8px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface);cursor:pointer;font-size:12.5px}
.pager-btn:hover:not(:disabled){background:var(--surface-hover)}
.pager-btn.is-active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}
.pager-btn:disabled{opacity:.45;cursor:not-allowed}

.stack{display:flex;flex-direction:column;gap:14px}
.grid-2{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:14px}
.grid-2-even{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}

.progress{height:7px;background:var(--surface-hover);border-radius:4px;overflow:hidden;min-width:70px}
.progress span{display:block;height:100%;border-radius:4px;background:var(--primary)}
.progress-row{display:flex;align-items:center;gap:8px}
.progress-row b{font-size:12px;font-variant-numeric:tabular-nums;min-width:32px;text-align:right}

.bar-list{display:flex;flex-direction:column;gap:12px}
.bar-row{display:grid;grid-template-columns:96px 1fr 62px;align-items:center;gap:10px;font-size:12.5px}
.bar-name{color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bar-track{height:8px;background:var(--surface-hover);border-radius:5px;overflow:hidden}
.bar-fill{height:100%;border-radius:5px}
.bar-val{text-align:right;color:var(--text-2);font-variant-numeric:tabular-nums}

.desc-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px 16px}
.desc-item{background:var(--surface-soft);border:1px solid var(--border);border-radius:var(--radius);padding:9px 12px}
.desc-item .k{font-size:11.5px;color:var(--text-3)}
.desc-item .v{font-size:13.5px;font-weight:600;margin-top:1px;word-break:break-all}

.timeline{display:flex;flex-direction:column}
.tl-item{display:grid;grid-template-columns:16px 1fr;gap:10px;padding-bottom:12px;position:relative}
.tl-item:last-child{padding-bottom:0}
.tl-dot{width:8px;height:8px;border-radius:50%;background:var(--border-strong);margin:6px 0 0 4px;position:relative;z-index:1}
.tl-item:not(:last-child)::before{content:"";position:absolute;left:7px;top:15px;bottom:0;width:2px;background:var(--border)}
.tl-item.is-new .tl-dot{background:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.tl-text{font-size:13px}
.tl-time{font-size:11.5px;color:var(--text-3)}

.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.contact-item{display:flex;align-items:baseline;gap:8px;padding:9px 12px;background:var(--surface-soft);border:1px solid var(--border);border-radius:var(--radius-sm)}
.contact-item .k{font-size:12px;color:var(--text-3);flex:0 0 44px}
.contact-item .v{font-size:13.5px;font-weight:600;word-break:break-all}

.dropzone{
  border:2px dashed var(--border-strong);border-radius:var(--radius-lg);padding:26px 20px;text-align:center;
  background:var(--surface-soft);cursor:pointer;transition:border-color .15s,background .15s;
}
.dropzone:hover,.dropzone.is-over{border-color:var(--primary);background:var(--primary-soft)}
.dropzone .dz-ico{font-size:30px;margin-bottom:6px}
.import-result{margin-top:14px}

/* ================= 弹窗 ================= */
.modal-root{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:24px}
.modal-root[hidden]{display:none}
.modal-mask{position:absolute;inset:0;background:rgba(23,33,47,.38);animation:fadeIn .16s ease}
.modal-card{
  position:relative;width:min(760px,100%);max-height:88dvh;display:flex;flex-direction:column;
  background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);animation:popIn .18s ease;overflow:hidden;
}
.modal-card-sm{width:min(420px,100%)}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 18px;border-bottom:1px solid var(--border)}
.modal-head h2{font-size:15px;font-weight:650}
.modal-body{padding:18px;overflow-y:auto}
.modal-foot{display:flex;justify-content:flex-end;gap:8px;padding:13px 18px;border-top:1px solid var(--border);background:var(--surface-soft);flex-wrap:wrap}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes popIn{from{opacity:0;transform:translateY(8px) scale(.985)}to{opacity:1;transform:none}}

.toast-root{position:fixed;right:20px;bottom:20px;z-index:200;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.toast{
  display:flex;align-items:center;gap:9px;min-width:220px;padding:10px 14px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);font-size:13px;animation:slideIn .2s ease;
}
.toast.t-ok{border-left:3px solid var(--success)}
.toast.t-warn{border-left:3px solid var(--warn)}
.toast.t-error{border-left:3px solid var(--danger)}
.toast.t-info{border-left:3px solid var(--primary)}
.toast.is-out{opacity:0;transform:translateX(14px);transition:.2s}
@keyframes slideIn{from{opacity:0;transform:translateX(14px)}to{opacity:1;transform:none}}

.loading{padding:40px;text-align:center;color:var(--text-3);font-size:13px}

/* ================= 响应式 ================= */
@media (max-width:1180px){
  .kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-2,.grid-2-even{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:900px){
  .sidebar{position:fixed;left:0;top:0;transform:translateX(-100%);transition:transform .2s ease;box-shadow:var(--shadow-lg)}
  .sidebar.is-open{transform:none}
  .only-mobile{display:grid}
  .content{padding:16px 14px 36px}
  .topbar{padding:0 14px}
  .form-grid{grid-template-columns:minmax(0,1fr)}
  .desc-list{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:620px){
  .kpi-grid{grid-template-columns:minmax(0,1fr)}
  .desc-list,.contact-grid{grid-template-columns:minmax(0,1fr)}
  .modal-root{padding:10px}
}