/* ==========================================================================
   Admin area A — dashboard, analytics, people, courses, batches, attendance
   Prefix: .ad-* (page bits) · .viz-* (shared chart partials in partials/charts)
   ========================================================================== */

/* ---------- charts (partials/charts/*) ---------- */
.viz{--viz-1:#2a78d6;--viz-grid:#e6edf6;--viz-ink:#52606f;margin:0;display:grid;grid-template-columns:auto minmax(0,1fr);grid-template-rows:auto auto;gap:6px 10px;font-size:.72rem;color:var(--viz-ink)}
.viz-y{display:flex;flex-direction:column;justify-content:space-between;height:var(--viz-h);text-align:right;line-height:1;font-variant-numeric:tabular-nums;transform:translateY(-.4em);padding-bottom:0}
.viz-y span:last-child{transform:translateY(.4em)}
.viz-plot{position:relative;height:var(--viz-h)}
.viz-grid{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:space-between;pointer-events:none}
.viz-grid i{display:block;height:1px;background:var(--viz-grid)}
.viz-grid i:last-child{background:#c9d5e4}
.viz-cols{position:absolute;inset:0;display:grid;grid-template-columns:repeat(var(--viz-n),minmax(0,1fr))}
.viz-col{position:relative;display:flex;align-items:flex-end;justify-content:center;height:100%;cursor:default}
.viz-col:hover{background:rgba(10,102,255,.05)}
.viz-bars .viz-col i{display:block;width:62%;max-width:38px;min-height:2px;background:var(--viz-1);border-radius:4px 4px 0 0;transition:filter .15s}
.viz-bars .viz-col:hover i{filter:brightness(1.12)}
.viz-bars .viz-col{flex-direction:column;justify-content:flex-end}
.viz-col em{display:block;margin-bottom:3px;white-space:nowrap;font-style:normal;font-size:.7rem;font-weight:700;color:var(--ink);text-align:center}
.viz-x{grid-column:2;display:grid;grid-template-columns:repeat(var(--viz-n),minmax(0,1fr));text-align:center}
.viz-x span{white-space:nowrap;overflow:visible;min-width:0}
.viz-every-2 .viz-x span:not(:nth-last-child(2n+1)),.viz-every-3 .viz-x span:not(:nth-last-child(3n+1)){visibility:hidden}
.viz-line svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.viz-stroke{fill:none;stroke:var(--viz-1);stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.viz-area{fill:var(--viz-1);opacity:.1;stroke:none}
.viz-dot{position:absolute;left:50%;width:9px;height:9px;margin:0 0 -4.5px -4.5px;border-radius:50%;background:var(--viz-1);border:2px solid #fff;box-sizing:content-box;transform:scale(.001);transition:transform .12s}
.viz-col:hover .viz-dot{transform:scale(1)}
.viz-dots .viz-dot{transform:scale(1)}
.viz-empty{display:grid;place-items:center;text-align:center;color:var(--muted);font-size:.9rem;border:1px dashed var(--line);border-radius:12px;background:var(--surface-2);padding:16px}
.viz-donut{display:flex;flex-wrap:wrap;align-items:center;gap:20px 28px}
.viz-donut-art{position:relative;flex-shrink:0}
.viz-donut-art svg{width:100%;height:100%;transform:none}
.viz-donut-track{stroke:#e9eff7}
.viz-donut-center{position:absolute;inset:0;display:grid;place-content:center;text-align:center;line-height:1.15;pointer-events:none;padding:0 22%}
.viz-donut-center b{font:800 1.05rem var(--font-display);color:var(--ink);letter-spacing:-.02em;overflow-wrap:anywhere}
.viz-donut-center small{color:var(--muted);font-size:.72rem}
.viz-legend{list-style:none;margin:0;padding:0;flex:1 1 180px;min-width:0;font-size:.88rem;color:var(--text)}
.viz-legend li{display:grid;grid-template-columns:12px minmax(0,1fr) auto 44px;gap:10px;align-items:center;padding:6px 0;border-bottom:1px solid var(--line-2)}
.viz-legend li:last-child{border-bottom:0}
.viz-legend i{width:12px;height:12px;border-radius:4px}
.viz-legend span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:1.3}
.viz-legend b{color:var(--ink);font-variant-numeric:tabular-nums}
.viz-legend span em{display:block;font-style:normal;color:var(--muted);font-size:.74rem;overflow:hidden;text-overflow:ellipsis}
.viz-legend small{color:var(--muted);text-align:right;font-size:.78rem}
@media (max-width:680px){.viz-x{font-size:.66rem}}

/* ---------- dashboard ---------- */
.adm-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:24px;align-items:start}
.adm-main,.adm-side{min-width:0}
.adm-two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.adm-kpi{display:block;color:inherit;text-decoration:none!important;transition:transform .18s,box-shadow .18s,border-color .18s}
.adm-kpi:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#c7d8ef}
.adm-kpi b,.adm-kpis .kpi b{font-size:1.5rem;overflow-wrap:anywhere}
.adm-chip{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;background:var(--brand-50);color:var(--brand-ink)}
.adm-chip.adm-red{background:#ffe1e7;color:var(--red)} .adm-chip.adm-amber{background:#fff1d1;color:#8f5900} .adm-chip.adm-violet{background:#ece7ff;color:var(--violet)} .adm-chip.adm-green{background:#e2f8ee;color:#0b7a4b}
.adm-queue{display:grid;grid-template-columns:40px minmax(0,1fr) auto auto;gap:14px}
.adm-three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start}
.adm-q-title{color:var(--ink);display:block}
.adm-count{font:800 1.35rem var(--font-display);color:var(--ink);min-width:36px;text-align:right}
.adm-row-link{color:inherit;text-decoration:none!important}
.adm-row-link:hover{background:#fafcff}
.adm-ellipsis{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.adm-date{width:44px;height:48px;border-radius:12px;background:var(--brand-50);color:var(--brand-ink);display:grid;place-content:center;text-align:center;line-height:1.05;flex-shrink:0}
.adm-date b{font:800 1.1rem var(--font-display)} .adm-date small{font-size:.66rem;text-transform:uppercase;letter-spacing:.08em;font-weight:700}
@media (max-width:1180px){.adm-grid{grid-template-columns:minmax(0,1fr)} .adm-side{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px;align-items:start}}
@media (max-width:1180px){.adm-three{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:860px){.adm-two,.adm-three{grid-template-columns:1fr}.adm-side{grid-template-columns:1fr}.adm-queue{grid-template-columns:40px minmax(0,1fr) auto}.adm-queue .btn{grid-column:2/-1;justify-self:start}}

/* ---------- analytics ---------- */
.adm-bar-row{gap:16px}
.adm-bar-track{flex:0 0 32%;min-width:90px}
.adm-bar-track.grow{flex:1 1 auto}
.adm-bar-num{min-width:36px;text-align:right;font-variant-numeric:tabular-nums;color:var(--ink)}
.adm-att-grid{display:grid;grid-template-columns:minmax(0,280px) minmax(0,1fr);gap:32px;align-items:start}
.adm-att-hero{display:flex;flex-direction:column;margin-bottom:16px}
.adm-att-hero b{font:800 2.4rem var(--font-display);color:var(--ink);letter-spacing:-.03em;line-height:1.1}
@media (max-width:1080px){.adm-att-grid{grid-template-columns:1fr}}
@media (max-width:680px){.adm-bar-row{flex-wrap:wrap}.adm-bar-track{flex:1 1 100%;order:3}.adm-bar-num{order:2}}

/* KPI label must not run under the corner icon (all portal pages) */
.kpi>span:not(.ico){padding-right:52px}

/* ---------- shared admin bits ---------- */
.adm-actions{display:inline-flex;gap:6px;align-items:center;justify-content:flex-end}
.adm-actions form{margin:0}
.adm-form-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;align-items:start}
.adm-actionbar{position:sticky;bottom:0;z-index:30;display:flex;justify-content:flex-end;gap:12px;flex-wrap:wrap;padding:14px 0;margin-top:8px;background:linear-gradient(180deg,rgba(245,248,252,0),var(--bg) 35%);}
.adm-stack>*+*{margin-top:10px}
.adm-bad{color:#be123c}
.adm-profile{display:grid;grid-template-columns:320px minmax(0,1fr);gap:24px;align-items:start}
.adm-profile-side,.adm-profile-main{min-width:0}
@media (max-width:1080px){.adm-form-grid,.adm-profile{grid-template-columns:1fr}}
.adm-kpis-3{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:22px}
.adm-kv-stack{grid-template-columns:1fr;gap:0;padding:0 22px 6px}
.adm-kv-stack dt{font-size:.78rem;margin-top:10px}
@media (max-width:680px){.adm-kpis-3{grid-template-columns:1fr}}
.adm-modal-wide{max-width:560px;max-height:92vh;overflow:auto}
.adm-modal-sum{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:14px 0 4px;padding:10px 14px;background:var(--surface-2);border:1px solid var(--line-2);border-radius:12px}
.adm-modal-sec{padding:16px 0;border-top:1px solid var(--line-2)}
.adm-modal-sec:first-of-type{margin-top:8px}
.adm-modal-sec h3{font-size:1rem;margin-bottom:.3em}

/* ---------- leads ---------- */
.adm-lead{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr)}
.adm-lead-info{padding:22px;border-right:1px solid var(--line-2)}
.adm-lead-form{padding:22px;background:var(--surface-2)}
.adm-kv-tight{grid-template-columns:96px 1fr;gap:6px 12px;font-size:.9rem;margin:14px 0 0}
.adm-lead-form .field{margin-bottom:12px}
@media (max-width:980px){.adm-lead{grid-template-columns:1fr}.adm-lead-info{border-right:0;border-bottom:1px solid var(--line-2)}}
@media (max-width:680px){.adm-kv-tight{grid-template-columns:1fr}}

/* ---------- course form + curriculum ---------- */
.adm-serp{border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#fff}
.adm-serp-t{font:600 1.05rem var(--font);color:#1a0dab;line-height:1.3;margin:2px 0}
.adm-module>summary{padding:14px 20px}
.adm-module>summary>svg{transition:transform .2s}
.adm-module[open]>summary>svg{transform:rotate(180deg)}
.adm-module-body{border-top:1px solid var(--line-2)}
.adm-module-form{display:grid;grid-template-columns:minmax(0,1fr) 110px;gap:0 16px;padding:18px 20px 6px;background:var(--surface-2)}
.adm-module-form .field{margin-bottom:12px}
.adm-lessons{padding:0}
.adm-lesson{border-top:1px solid var(--line-2)}
.adm-lesson>summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;padding:11px 20px;font-size:.94rem;color:var(--text)}
.adm-lesson>summary::-webkit-details-marker{display:none}
.adm-lesson>summary:hover{background:#fafcff}
.adm-lesson[open]>summary{background:var(--brand-50)}
.adm-lesson-body{padding:16px 20px 18px;background:#fff}
.adm-lesson-new>summary{color:var(--brand-ink)}
@media (max-width:680px){.adm-module-form{grid-template-columns:1fr}.adm-lesson>summary{flex-wrap:wrap}}

/* ---------- batches ---------- */
.adm-day{position:relative;cursor:pointer}
.adm-day input{position:absolute;opacity:0}
.adm-day span{display:inline-grid;place-items:center;min-width:52px;padding:9px 12px;border:1.5px solid var(--line);border-radius:12px;font-weight:700;font-size:.86rem;color:var(--muted);background:#fff;transition:.15s}
.adm-day input:checked+span{background:var(--brand);border-color:var(--brand);color:#fff}
.adm-day input:focus-visible+span{outline:3px solid rgba(10,102,255,.45);outline-offset:2px}
.adm-row-dim td{opacity:.6}

/* ---------- attendance matrix ---------- */
.adm-cell{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:8px;font-weight:800;font-size:.76rem;color:#fff;background:#94a3b8;vertical-align:middle}
.adm-cell.p{background:var(--green)} .adm-cell.l{background:var(--amber)} .adm-cell.a{background:var(--red)} .adm-cell.e{background:#94a3b8}
.adm-legend{display:flex;gap:6px 10px;flex-wrap:wrap;align-items:center;font-size:.82rem;color:var(--muted)}
.adm-matrix th.adm-mh{padding:10px 4px;text-align:center;font-size:.68rem;min-width:46px}
.adm-matrix th.adm-mh a{color:inherit}
.adm-matrix td.adm-mc{padding:8px 4px;text-align:center}
.adm-sticky{position:sticky;left:0;z-index:2;background:#fff;box-shadow:1px 0 0 var(--line-2);min-width:210px}
.adm-matrix thead .adm-sticky{background:#f3f7fc}
.adm-matrix tbody tr:hover td.adm-sticky{background:#fafcff}
.adm-matrix tr.adm-low td,.adm-matrix tr.adm-low td.adm-sticky{background:#fff6f8}

/* filter bar: the search input fills its box; action column stays visible on narrow tables */
.filters .searchbox .input{width:100%}
@media (min-width:861px){
  .adm-table td.actions,.adm-table th.actions{position:sticky;right:0;background:#fff;box-shadow:-1px 0 0 var(--line-2)}
  .adm-table th.actions{background:#f3f7fc}
  .adm-table tbody tr:hover td.actions{background:#fafcff}
}
.filters .select{max-width:300px}
.adm-facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px 24px;margin:0;padding:18px 22px}
.adm-facts dt{font-size:.75rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:700}
.adm-facts dd{margin:2px 0 0;color:var(--ink);font-weight:600;min-width:0;overflow:hidden;text-overflow:ellipsis}
.adm-actions .icon-btn{width:34px;height:34px}
@media (max-width:680px){.app-top .hide-sm{display:none}}
.adm-lead-acts{grid-column:1/-1;padding:14px 22px;border-top:1px solid var(--line-2);background:var(--surface)}