/* ============================================================
   Ad Ban-Rate Dashboard — ByteDance / Semi-design inspired dark UI
   Minimalist, cool-toned, high whitespace, soft radii, data-viz forward
   ============================================================ */
:root {
  --bg: #0a0c11;
  --bg-elev: #0f1219;
  --panel: #12161f;
  --panel-2: #161b26;
  --border: rgba(255, 255, 255, 0.075);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #eef1f6;
  --text-2: #a7b0c2;
  --text-3: #6c7689;
  --brand: #3370ff;
  --brand-soft: rgba(51, 112, 255, 0.14);
  --cyan: #14c9c9;
  --green: #2bc48a;
  --amber: #ff9a2e;
  --red: #f5483b;
  --red-soft: rgba(245, 72, 59, 0.14);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 30px rgba(0,0,0,.25);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Inter, Roboto, Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, "PingFang SC", monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background:
    radial-gradient(1200px 600px at 78% -8%, rgba(51,112,255,.10), transparent 60%),
    radial-gradient(900px 500px at 8% 0%, rgba(20,201,201,.06), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
::selection { background: rgba(51,112,255,.35); }

.app { max-width: 1320px; margin: 0 auto; padding: 26px 28px 48px; }

/* ---------- Top bar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; margin-bottom: 26px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  color: #fff; background: linear-gradient(135deg, #3370ff, #14c9c9);
  box-shadow: 0 6px 18px rgba(51,112,255,.32);
}
.brand-text h1 { font-size: 19px; font-weight: 650; margin: 0; letter-spacing: .2px; }
.subtitle { margin: 2px 0 0; color: var(--text-3); font-size: 12.5px; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.asof {
  display: flex; align-items: center; gap: 8px; padding: 8px 14px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 999px;
  color: var(--text-2); font-size: 12.5px;
}
.asof .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px rgba(43,196,138,.16); }

.btn {
  display: inline-flex; align-items: center; gap: 7px; cursor: pointer;
  border-radius: var(--radius-sm); padding: 9px 15px; font-size: 13.5px; font-weight: 550;
  border: 1px solid transparent; transition: .16s ease; font-family: inherit; white-space: nowrap;
}
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 6px 16px rgba(51,112,255,.3); }
.btn-primary:hover { background: #4e83fd; transform: translateY(-1px); }
.btn-primary:disabled { background: #2a3550; color: #6c7689; box-shadow: none; cursor: not-allowed; transform: none; }
.btn-ghost { background: var(--panel); color: var(--text-2); border-color: var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--border-strong); background: var(--panel-2); }
.btn-sm { padding: 6px 11px; font-size: 12.5px; }
.icon-btn { background: transparent; border: none; color: var(--text-3); cursor: pointer; padding: 6px; border-radius: 8px; display: grid; place-items: center; }
.icon-btn:hover { color: var(--text); background: rgba(255,255,255,.06); }

/* ---------- Layout ---------- */
.content { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 20px; }
.span-full { grid-column: 1 / -1; }
.kpi-grid { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 20px; }

.panel {
  background: linear-gradient(180deg, var(--panel), var(--bg-elev));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px 24px; box-shadow: var(--shadow); min-width: 0;
}
.panel-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.panel-head h2 { margin: 0; font-size: 15.5px; font-weight: 620; letter-spacing: .2px; }
.panel-desc { margin: 4px 0 0; color: var(--text-3); font-size: 12px; }

/* ---------- KPI card ---------- */
.kpi {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, var(--panel), var(--bg-elev));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px 24px; box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 26px;
}
.kpi::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(420px 160px at 88% -20%, var(--kpi-glow, rgba(51,112,255,.14)), transparent 70%);
}
.kpi-left { display: flex; align-items: center; gap: 20px; flex: 1; min-width: 0; }
.gauge { position: relative; width: 132px; height: 132px; flex: none; }
.gauge-center { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; }
.gauge-val { font-size: 30px; font-weight: 700; letter-spacing: -.5px; font-variant-numeric: tabular-nums; line-height: 1; }
.gauge-cap { font-size: 11px; color: var(--text-3); margin-top: 5px; }
.kpi-info { min-width: 0; }
.kpi-label { font-size: 14px; font-weight: 620; color: var(--text); display: flex; align-items: center; gap: 8px; }
.kpi-badge { font-size: 10.5px; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: var(--brand-soft); color: #7aa2ff; }
.kpi-range { color: var(--text-3); font-size: 12px; margin: 5px 0 14px; }
.kpi-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 22px; }
.kstat .k { color: var(--text-3); font-size: 11.5px; margin-bottom: 3px; }
.kstat .v { font-size: 16px; font-weight: 640; font-variant-numeric: tabular-nums; letter-spacing: -.2px; }
.kstat .v small { font-size: 11px; color: var(--text-3); font-weight: 500; margin-left: 2px; }

/* ---------- Segmented control ---------- */
.seg { display: inline-flex; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 999px; padding: 3px; gap: 2px; }
.seg button {
  border: none; background: transparent; color: var(--text-3); cursor: pointer;
  padding: 6px 14px; border-radius: 999px; font-size: 12.5px; font-weight: 550; font-family: inherit; transition: .15s;
}
.seg button:hover { color: var(--text-2); }
.seg button.active { background: var(--panel-2); color: var(--text); box-shadow: 0 1px 3px rgba(0,0,0,.3); }

/* ---------- Legend ---------- */
.legend { display: flex; gap: 16px; color: var(--text-3); font-size: 12px; align-items: center; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.swatch { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.swatch-line { background: var(--brand); border-radius: 999px; height: 3px; width: 14px; }
.swatch-bar { background: rgba(255,255,255,.14); }

/* ---------- Charts ---------- */
.chart-wrap { width: 100%; }
.chart-wrap svg { width: 100%; height: auto; display: block; overflow: visible; }
.grid-line { stroke: rgba(255,255,255,.055); stroke-width: 1; }
.axis-text { fill: var(--text-3); font-size: 10.5px; font-family: var(--font); }
.trend-line { fill: none; stroke: url(#lineGrad); stroke-width: 2.4; stroke-linejoin: round; stroke-linecap: round; }
.trend-dot { fill: var(--bg); stroke: var(--brand); stroke-width: 2; }
.hover-line { stroke: rgba(255,255,255,.22); stroke-width: 1; stroke-dasharray: 3 3; }

.chart-tooltip {
  position: fixed; z-index: 50; pointer-events: none; opacity: 0; transform: translate(-50%,-118%);
  background: rgba(18,22,31,.97); border: 1px solid var(--border-strong); border-radius: 10px;
  padding: 9px 12px; font-size: 12px; box-shadow: 0 10px 30px rgba(0,0,0,.5); transition: opacity .12s; white-space: nowrap;
}
.chart-tooltip .tt-date { color: var(--text-2); font-weight: 600; margin-bottom: 5px; }
.chart-tooltip .tt-row { display: flex; justify-content: space-between; gap: 18px; color: var(--text-3); }
.chart-tooltip .tt-row b { color: var(--text); font-variant-numeric: tabular-nums; font-weight: 600; }

/* ---------- Team list ---------- */
.team-list { display: flex; flex-direction: column; gap: 4px; max-height: 460px; overflow-y: auto; padding-right: 4px; }
.team-row { display: grid; grid-template-columns: 108px 1fr 150px; gap: 16px; align-items: center; padding: 11px 8px; border-radius: 10px; }
.team-row:hover { background: rgba(255,255,255,.03); }
.team-name { font-weight: 560; font-size: 13.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.team-name span { display: block; color: var(--text-3); font-size: 11px; font-weight: 400; margin-top: 2px; }
.bar-track { height: 8px; background: rgba(255,255,255,.06); border-radius: 999px; overflow: hidden; position: relative; }
.bar-fill { height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--bar-a,#3370ff), var(--bar-b,#14c9c9)); transition: width .6s cubic-bezier(.22,1,.36,1); }
.bar-meta { display: flex; justify-content: space-between; margin-top: 7px; font-size: 11.5px; color: var(--text-3); }
.bar-meta b { color: var(--text); font-variant-numeric: tabular-nums; font-weight: 620; font-size: 13px; }
.team-nums { text-align: right; font-variant-numeric: tabular-nums; }
.team-nums .rate { font-size: 17px; font-weight: 680; letter-spacing: -.3px; }
.team-nums .sub { font-size: 11px; color: var(--text-3); margin-top: 3px; }

/* ---------- Table ---------- */
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th {
  text-align: left; color: var(--text-3); font-weight: 550; font-size: 11.5px; text-transform: none;
  padding: 10px 12px; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--panel); white-space: nowrap;
}
.data-table td { padding: 11px 12px; border-bottom: 1px solid rgba(255,255,255,.045); vertical-align: middle; }
.data-table tbody tr:hover { background: rgba(255,255,255,.028); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.col-rank { width: 44px; }
.col-rate { width: 168px; }
.rank-pill { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 7px; font-size: 12px; font-weight: 650; background: rgba(255,255,255,.06); color: var(--text-2); font-variant-numeric: tabular-nums; }
.rank-1 { background: linear-gradient(135deg,#f5483b,#ff7a45); color: #fff; }
.rank-2 { background: linear-gradient(135deg,#ff9a2e,#ffc53d); color: #2a1c00; }
.rank-3 { background: linear-gradient(135deg,#3370ff,#14c9c9); color: #fff; }
.mono { font-family: var(--mono); font-size: 12.5px; color: var(--text-2); letter-spacing: -.2px; }
.cell-name { max-width: 240px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-2); }
.tag { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 550; background: rgba(255,255,255,.06); color: var(--text-2); }
.rate-cell { display: flex; align-items: center; gap: 10px; }
.rate-mini { flex: 1; height: 6px; background: rgba(255,255,255,.06); border-radius: 999px; overflow: hidden; }
.rate-mini i { display: block; height: 100%; background: linear-gradient(90deg,#f5483b,#ff7a45); border-radius: 999px; }
.rate-val { font-variant-numeric: tabular-nums; font-weight: 650; min-width: 52px; text-align: right; }

/* ---------- Empty / loading ---------- */
.empty { padding: 46px 20px; text-align: center; color: var(--text-3); }
.empty h3 { color: var(--text-2); font-size: 15px; margin: 12px 0 6px; font-weight: 600; }
.empty p { margin: 0 0 16px; font-size: 13px; }
.skeleton { background: linear-gradient(90deg, rgba(255,255,255,.04), rgba(255,255,255,.09), rgba(255,255,255,.04)); background-size: 200% 100%; animation: shimmer 1.4s infinite; border-radius: 8px; }
@keyframes shimmer { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

/* ---------- Footnote ---------- */
.footnote { margin-top: 26px; color: var(--text-3); font-size: 12px; text-align: center; }

/* ---------- Modal ---------- */
.modal-mask { position: fixed; inset: 0; background: rgba(4,6,10,.66); backdrop-filter: blur(4px); display: grid; place-items: center; z-index: 100; padding: 20px; animation: fade .18s ease; }
.modal-mask[hidden] { display: none; }
@keyframes fade { from{opacity:0} to{opacity:1} }
.modal { width: min(680px, 100%); max-height: 88vh; display: flex; flex-direction: column; background: var(--panel); border: 1px solid var(--border-strong); border-radius: 18px; box-shadow: 0 24px 70px rgba(0,0,0,.6); animation: pop .2s cubic-bezier(.22,1,.36,1); }
@keyframes pop { from{transform:translateY(10px) scale(.98);opacity:0} to{transform:none;opacity:1} }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 20px 22px 14px; }
.modal-head h3 { margin: 0; font-size: 16px; font-weight: 640; }
.modal-body { padding: 4px 22px; overflow-y: auto; }
.modal-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 22px 20px; }
.modal-hint { color: var(--text-3); font-size: 12px; }

.dropzone { border: 1.6px dashed var(--border-strong); border-radius: 14px; padding: 30px 20px; text-align: center; color: var(--text-3); background: rgba(255,255,255,.015); transition: .16s; cursor: pointer; }
.dropzone:hover, .dropzone.drag { border-color: var(--brand); background: var(--brand-soft); color: var(--text-2); }
.dropzone svg { color: var(--brand); opacity: .9; }
.dz-title { margin: 12px 0 6px; font-size: 14px; color: var(--text-2); }
.dz-link { color: var(--brand); cursor: pointer; font-weight: 600; }
.dz-hint { margin: 0; font-size: 11.5px; line-height: 1.6; color: var(--text-3); max-width: 480px; margin-inline: auto; }

.file-list { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.file-list li { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 13px; background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px; font-size: 13px; }
.file-list .fname { display: flex; align-items: center; gap: 9px; min-width: 0; }
.file-list .fname span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-list .fmeta { color: var(--text-3); font-size: 11.5px; display: flex; align-items: center; gap: 10px; flex: none; }
.chip-x { cursor: pointer; color: var(--text-3); background: none; border: none; font-size: 16px; line-height: 1; padding: 2px 4px; border-radius: 6px; }
.chip-x:hover { color: var(--red); background: rgba(245,72,59,.1); }

.import-results { margin-top: 14px; display: flex; flex-direction: column; gap: 8px; }
.result-item { padding: 11px 13px; border-radius: 10px; font-size: 12.5px; border: 1px solid var(--border); background: var(--panel-2); }
.result-item.ok { border-color: rgba(43,196,138,.3); background: rgba(43,196,138,.07); }
.result-item.err { border-color: rgba(245,72,59,.3); background: rgba(245,72,59,.07); }
.result-item .rt { font-weight: 600; display: flex; align-items: center; gap: 8px; }
.result-item .rd { color: var(--text-3); margin-top: 4px; }

.imported-dates { margin: 20px 0 6px; }
.idates-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.idates-head h4 { margin: 0; font-size: 13px; font-weight: 600; color: var(--text-2); }
.idates-list { display: flex; flex-wrap: wrap; gap: 8px; }
.date-chip { display: inline-flex; align-items: center; gap: 8px; padding: 7px 8px 7px 12px; background: var(--panel-2); border: 1px solid var(--border); border-radius: 999px; font-size: 12.5px; }
.date-chip .cnt { color: var(--text-3); font-size: 11px; }
.date-chip button { cursor: pointer; color: var(--text-3); background: rgba(255,255,255,.05); border: none; width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; line-height: 1; }
.date-chip button:hover { color: #fff; background: var(--red); }

/* ---------- Toast ---------- */
.toast-wrap { position: fixed; top: 22px; left: 50%; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 10px; align-items: center; }
.toast { padding: 11px 18px; border-radius: 10px; font-size: 13px; background: rgba(18,22,31,.97); border: 1px solid var(--border-strong); box-shadow: 0 12px 34px rgba(0,0,0,.5); animation: slideDown .22s cubic-bezier(.22,1,.36,1); display: flex; align-items: center; gap: 9px; }
.toast.ok { border-color: rgba(43,196,138,.4); }
.toast.err { border-color: rgba(245,72,59,.45); }
@keyframes slideDown { from{transform:translateY(-14px);opacity:0} to{transform:none;opacity:1} }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,.12); border-radius: 999px; border: 2px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.2); background-clip: padding-box; }
::-webkit-scrollbar-track { background: transparent; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .content, .kpi-grid { grid-template-columns: 1fr; }
  .app { padding: 20px 16px 40px; }
  .kpi { flex-direction: column; align-items: flex-start; gap: 18px; }
  .team-row { grid-template-columns: 92px 1fr; }
  .team-nums { grid-column: 1 / -1; text-align: left; display: flex; gap: 14px; align-items: baseline; }
}

/* ---------- Top icons ---------- */
.top-icon { border: 1px solid var(--border); background: var(--panel); width: 38px; height: 38px; }
.top-icon:hover { color: var(--text); border-color: var(--border-strong); background: var(--panel-2); }

/* ---------- Login gate ---------- */
.login-mask {
  position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; padding: 20px;
  background:
    radial-gradient(900px 500px at 70% -10%, rgba(51,112,255,.16), transparent 60%),
    radial-gradient(700px 420px at 10% 110%, rgba(20,201,201,.10), transparent 55%),
    #070910;
}
.login-mask[hidden] { display: none; }
.login-card {
  width: min(380px, 100%); padding: 38px 32px 30px; text-align: center;
  background: linear-gradient(180deg, var(--panel), var(--bg-elev));
  border: 1px solid var(--border-strong); border-radius: 20px; box-shadow: 0 30px 80px rgba(0,0,0,.6);
  animation: pop .26s cubic-bezier(.22,1,.36,1);
}
.login-logo {
  width: 56px; height: 56px; margin: 0 auto 18px; border-radius: 16px; display: grid; place-items: center;
  color: #fff; background: linear-gradient(135deg, #3370ff, #14c9c9); box-shadow: 0 10px 26px rgba(51,112,255,.4);
}
.login-card h2 { margin: 0; font-size: 18px; font-weight: 650; }
.login-sub { margin: 8px 0 22px; color: var(--text-3); font-size: 13px; }
.login-btn { width: 100%; justify-content: center; margin-top: 6px; }
.login-err { color: var(--red); font-size: 12.5px; min-height: 18px; margin: 8px 0 2px; }
.login-hint { margin: 20px 0 0; color: var(--text-3); font-size: 11.5px; line-height: 1.6; }
.login-hint code, .setting-desc code, .warn-note code { background: rgba(255,255,255,.08); padding: 1px 6px; border-radius: 5px; color: var(--text-2); font-family: var(--mono); font-size: 11px; }

/* ---------- Fields ---------- */
.field { display: block; text-align: left; margin-bottom: 14px; }
.field span { display: block; color: var(--text-3); font-size: 12px; margin-bottom: 6px; }
.field-input {
  width: 100%; padding: 11px 14px; font-size: 14px; font-family: inherit; color: var(--text);
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 10px; outline: none; transition: .15s;
}
.field-input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.field-input::placeholder { color: var(--text-3); }

/* ---------- Settings modal ---------- */
.modal-sm { width: min(440px, 100%); }
.setting-block { padding: 4px 0 8px; }
.setting-block h4 { margin: 0 0 4px; font-size: 14px; font-weight: 620; }
.setting-desc { margin: 0 0 16px; color: var(--text-3); font-size: 12px; line-height: 1.6; }
.setting-err { color: var(--red); font-size: 12.5px; min-height: 18px; margin: -4px 0 8px; }
.warn-note { margin-top: 6px; padding: 11px 13px; border-radius: 10px; font-size: 12.5px; color: #ffcf8b; background: rgba(255,154,46,.1); border: 1px solid rgba(255,154,46,.28); }