/* Alfiya Academy · admin panel. A working tool: one sans, quiet chrome, data is the only loud thing. */

.adm{
  --surface:#fcfcfb;
  --plane:#f5f3ed;
  --text-1:#100C2E;
  --text-2:#52514e;
  --muted:#898781;
  --grid:#e1e0d9;
  --axis:#c3c2b7;
  --ring:rgba(16,12,46,.1);
  --series-1:#4a3aa7;   /* validated pair, colour-blind safe */
  --series-2:#eb6834;
  --wash:rgba(74,58,167,.1);
  --good:#006300;
  --bad:#b3261e;

  min-height:100vh;background:var(--plane);color:var(--text-1);
  font:400 .9375rem/1.45 var(--sans);
}
.adm h1,.adm h2{margin:0;font-family:var(--sans);font-weight:600;letter-spacing:-.01em}
.adm button,.adm input,.adm select{font:inherit;color:inherit}

/* top bar */
.adm__top{
  position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:12px clamp(16px,3vw,40px);background:rgba(252,252,251,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--grid);
}
.adm__brand{display:flex;align-items:center;gap:10px;font-weight:600}
.adm__brand img{height:30px;width:auto}
.adm__brand em{font-style:normal;font-weight:500;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-2);padding:4px 8px;border-radius:999px;box-shadow:inset 0 0 0 1px var(--axis)}
.adm__tools{display:flex;align-items:center;gap:16px}
.adm__link{font-size:.875rem;color:var(--text-2);border-bottom:1px solid var(--axis)}
.adm__link:hover{color:var(--text-1);border-color:var(--text-1)}

.seg{display:inline-flex;padding:3px;border-radius:999px;background:var(--plane);box-shadow:inset 0 0 0 1px var(--grid)}
.seg button{all:unset;box-sizing:border-box;cursor:pointer;padding:7px 14px;border-radius:999px;font:500 .8125rem/1 var(--sans);color:var(--text-2);transition:background .2s,color .2s}
.seg button:hover{color:var(--text-1)}
.seg button[aria-pressed="true"]{background:var(--text-1);color:#fff}
.seg button:focus-visible{outline:2px solid var(--series-1);outline-offset:2px}

/* layout */
.adm__main{max-width:1440px;margin:0 auto;padding:clamp(20px,3vw,36px) clamp(16px,3vw,40px) 72px;display:grid;gap:16px}
.adm__head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.adm__head h1{font-size:1.5rem}
.adm__note{margin:-4px 0 0;font-size:.8125rem;color:var(--text-2)}
.adm__note b{font-weight:600;color:var(--text-1)}
.adm__grid{display:grid;gap:16px}
.adm__grid--2{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr)}
.adm__grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}

.panel{background:var(--surface);border-radius:12px;box-shadow:0 0 0 1px var(--ring);padding:20px 22px 22px;min-width:0}
.panel__head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}
.panel__head h2{font-size:1rem}
.panel__head p{margin:3px 0 0;font-size:.8125rem;color:var(--text-2)}
.panel__head--tools{flex-wrap:wrap;align-items:center}
.tools{display:flex;flex-wrap:wrap;gap:8px}
.tools input,.tools select{height:36px;padding:0 12px;border:0;border-radius:8px;background:var(--surface);box-shadow:inset 0 0 0 1px var(--axis);min-width:0}
.tools input{width:220px}
.tools input:focus,.tools select:focus{outline:2px solid var(--series-1);outline-offset:1px}
.ghost{all:unset;box-sizing:border-box;cursor:pointer;height:36px;padding:0 14px;display:inline-flex;align-items:center;border-radius:8px;box-shadow:inset 0 0 0 1px var(--axis);font:500 .8125rem/1 var(--sans);transition:background .2s}
.ghost:hover{background:var(--plane)}
.ghost:focus-visible{outline:2px solid var(--series-1);outline-offset:2px}
.ghost[aria-expanded="true"]{background:var(--text-1);color:#fff;box-shadow:none}

/* stat tiles */
.kpis{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.kpi{background:var(--surface);border-radius:12px;box-shadow:0 0 0 1px var(--ring);padding:18px 20px 16px;min-width:0}
.kpi__label{font-size:.8125rem;color:var(--text-2)}
.kpi__value{margin-top:6px;font:600 2rem/1.1 var(--sans);letter-spacing:-.02em}
.kpi--hero .kpi__value{font-size:3rem}
.kpi__main{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-top:6px}
.kpi__main .kpi__value{margin-top:0}
.kpi__delta{display:flex;align-items:center;flex-wrap:wrap;gap:3px 5px;margin-top:12px;font-size:.8125rem;color:var(--text-2)}
.kpi__delta svg{width:10px;height:10px;flex:none}
.kpi__delta.is-up svg{color:var(--good)}
.kpi__delta.is-down svg{color:var(--bad)}
.kpi__delta b{font-weight:600;color:var(--text-1)}
.kpi__spark{width:84px;height:28px;flex:none;overflow:visible;margin-bottom:6px}

/* charts */
.chart{position:relative}
.chart svg{display:block;width:100%;height:auto;overflow:visible}
.chart svg:focus-visible{outline:2px solid var(--series-1);outline-offset:4px;border-radius:4px}
.chart text{font:400 11px/1 var(--sans);fill:var(--muted);font-variant-numeric:tabular-nums}
.chart .lbl{fill:var(--text-1);font-weight:600;font-size:12px}

.hbars{display:grid;gap:14px}
.hbar{display:grid;grid-template-columns:minmax(84px,32%) minmax(0,1fr);align-items:center;gap:12px;padding:2px 0;border-radius:6px;outline-offset:4px}
.hbar:focus-visible{outline:2px solid var(--series-1)}
.hbar__label{font-size:.8125rem;color:var(--text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hbar__track{display:flex;align-items:center;gap:8px;min-width:0}
.hbar__fill{height:16px;min-width:2px;border-radius:0 4px 4px 0;background:var(--series-1);transition:width .6s cubic-bezier(.2,.8,.2,1),filter .2s}
.hbar:hover .hbar__fill,.hbar:focus-visible .hbar__fill{filter:brightness(1.18)}
.hbar__value{font-size:.8125rem;font-weight:600;white-space:nowrap;font-variant-numeric:tabular-nums}
.hbar__value small{font-weight:400;font-size:.75rem;color:var(--text-2);margin-left:6px}

.stack{display:flex;gap:2px;height:20px}
.stack i{display:block;height:100%;min-width:2px;transition:filter .2s}
.stack i:first-child{border-radius:4px 0 0 4px}
.stack i:last-child{border-radius:0 4px 4px 0}
.stack i:hover{filter:brightness(1.15)}
.legend{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:10px}
.legend li{display:grid;grid-template-columns:12px 1fr auto;align-items:center;gap:10px;font-size:.8125rem;color:var(--text-2)}
.legend i{width:12px;height:12px;border-radius:3px}
.legend b{font-weight:600;color:var(--text-1);font-variant-numeric:tabular-nums}
.legend small{font-size:.75rem;color:var(--text-2);margin-left:6px}

.tip{
  position:fixed;z-index:60;pointer-events:none;padding:8px 11px;border-radius:8px;
  background:var(--text-1);color:#fff;font-size:.8125rem;line-height:1.3;white-space:nowrap;
  box-shadow:0 10px 24px -10px rgba(16,12,46,.5);transform:translate(-50%,calc(-100% - 12px));
}
.tip[hidden]{display:none}
.tip b{display:block;font-weight:600;font-size:.9375rem}
.tip span{opacity:.72}

/* tables */
.tablewrap{overflow:auto;margin:0 -22px;padding:0 22px}
.tablewrap--short{max-height:260px;margin-top:16px}
.adm table{width:100%;border-collapse:collapse;font-size:.875rem}
.adm th{position:sticky;top:0;background:var(--surface);text-align:left;font-weight:500;font-size:.75rem;color:var(--text-2);padding:10px 14px 10px 0;border-bottom:1px solid var(--axis);white-space:nowrap}
.adm td{padding:13px 14px 13px 0;border-bottom:1px solid var(--grid);vertical-align:top}
.adm td.num,.adm th.num{text-align:right;font-variant-numeric:tabular-nums;padding-right:0}
.adm tbody tr:hover td{background:rgba(16,12,46,.025)}
.adm td small{display:block;margin-top:2px;font-size:.75rem;color:var(--text-2);max-width:34ch}
.tag{display:inline-block;padding:3px 9px;border-radius:999px;font-size:.75rem;font-weight:500;color:var(--text-1);box-shadow:inset 0 0 0 1px var(--axis);white-space:nowrap}
.adm td select{height:32px;padding:0 8px;border:0;border-radius:8px;background:var(--surface);box-shadow:inset 0 0 0 1px var(--axis)}
.adm td select:focus{outline:2px solid var(--series-1);outline-offset:1px}
.adm td a{border-bottom:1px solid var(--axis)}
.more{margin-top:16px}
.more[hidden]{display:none}
.empty{margin:18px 0 4px;color:var(--text-2);font-size:.875rem}
.empty[hidden]{display:none}

@media (max-width:1100px){
  .kpis{grid-template-columns:repeat(3,minmax(0,1fr))}
  .adm__grid--2,.adm__grid--3{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:640px){
  .kpis{grid-template-columns:repeat(2,minmax(0,1fr))}
  .kpi--hero{grid-column:1/-1}
  .kpi__value{font-size:1.6rem}
  .kpi:not(.kpi--hero) .kpi__spark{display:none}
  .tools input{width:100%}
  .tools{width:100%}
  .adm__link{display:none}
}