/* ============================================================
   KAYNAK MERKEZİ (öğretmen paneli → Dosyalar)
   Tek renk dili: yalnızca tema değişkenleri. Hardcoded renk yok.
   Kapsam: .km — panelin geri kalanını etkilemez.
   ============================================================ */
.km{
  --km-rad:14px;
  --km-accent:var(--primary,#0F7B4F);
  --km-accent-ink:#fff;
  --km-soft:color-mix(in srgb,var(--km-accent) 8%,var(--surface,#fff));
  --km-soft-2:color-mix(in srgb,var(--km-accent) 14%,var(--surface,#fff));
  --km-line:var(--border,#E3E9E5);
  --km-ink:var(--text,#0F1719);
  --km-ink-2:color-mix(in srgb,var(--text,#0F1719) 72%,transparent);
  --km-ink-3:var(--text-muted,#586462);
  --km-surface:var(--surface,#fff);
  --km-bg:var(--bg,#F5F9F6);
  width:100%;max-width:100%;box-sizing:border-box;
  display:flex;flex-direction:column;gap:16px;
  color:var(--km-ink);
}
.km *,.km *::before,.km *::after{box-sizing:border-box;min-width:0}

/* ---------- başlık ---------- */
.km-head{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  background:var(--km-surface);border:1px solid var(--km-line);
  border-radius:var(--km-rad);padding:16px 18px;
}
.km-head-badge{
  width:44px;height:44px;flex:none;border-radius:12px;display:grid;place-items:center;
  background:var(--km-soft);color:var(--km-accent);border:1px solid color-mix(in srgb,var(--km-accent) 22%,transparent);
}
.km-head-badge svg{width:20px;height:20px}
.km-head-text{flex:1;min-width:180px}
.km-title{margin:0;font-size:19px;line-height:1.2;font-weight:800;letter-spacing:-.015em;color:var(--km-ink)}
.km-sub{margin:3px 0 0;font-size:12.5px;line-height:1.45;color:var(--km-ink-3)}

/* ---------- butonlar ---------- */
.km-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  font:inherit;font-size:12.5px;font-weight:650;line-height:1;
  padding:10px 14px;border-radius:10px;cursor:pointer;white-space:nowrap;
  border:1.5px solid var(--km-line);background:var(--km-surface);color:var(--km-ink);
  transition:background .16s,border-color .16s,color .16s,transform .16s;
}
.km-btn svg{width:15px;height:15px;flex:none}
.km-btn:hover{border-color:var(--km-accent);color:var(--km-accent);background:var(--km-soft)}
.km-btn:active{transform:translateY(1px)}
.km-btn--primary{background:var(--km-accent);border-color:var(--km-accent);color:var(--km-accent-ink)}
.km-btn--primary:hover{background:color-mix(in srgb,var(--km-accent) 88%,#000);border-color:transparent;color:var(--km-accent-ink)}
.km-btn--sm{padding:8px 11px;font-size:12px;border-radius:9px}
.km-btn--ghost{background:var(--km-soft);border-color:transparent;color:var(--km-accent)}
.km-btn--ghost:hover{background:var(--km-soft-2)}

/* ---------- istatistik şeridi ---------- */
.km-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(132px,1fr));gap:10px}
.km-stat{
  background:var(--km-surface);border:1px solid var(--km-line);border-radius:12px;
  padding:12px 13px;display:flex;flex-direction:column;gap:3px;
}
.km-stat b{font-size:21px;line-height:1.1;font-weight:800;letter-spacing:-.02em;color:var(--km-ink);font-variant-numeric:tabular-nums}
.km-stat span{font-size:11px;line-height:1.3;color:var(--km-ink-3);font-weight:600}
.km-stat--all{background:var(--km-soft);border-color:color-mix(in srgb,var(--km-accent) 24%,transparent)}
.km-stat--all b{color:var(--km-accent)}

/* ---------- yerleşim ---------- */
.km-grid{display:grid;grid-template-columns:minmax(0,1fr) 262px;gap:16px;align-items:start}
.km-main{display:flex;flex-direction:column;gap:14px;min-width:0}
.km-panel{
  background:var(--km-surface);border:1px solid var(--km-line);border-radius:var(--km-rad);
  padding:14px;display:flex;flex-direction:column;gap:14px;min-width:0;
}

/* ---------- araç çubuğu ---------- */
.km-toolbar{display:flex;flex-direction:column;gap:11px}
.km-search{
  display:flex;align-items:center;gap:9px;width:100%;
  border:1.5px solid var(--km-line);border-radius:11px;background:var(--km-bg);
  padding:0 12px;height:42px;transition:border-color .16s,box-shadow .16s;
}
.km-search:focus-within{border-color:var(--km-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--km-accent) 14%,transparent)}
.km-search svg{width:16px;height:16px;flex:none;color:var(--km-ink-3)}
.km-search input{
  flex:1;min-width:0;border:0;outline:0;background:transparent;font:inherit;font-size:13px;color:var(--km-ink);
  padding:0;height:100%;
}
.km-search input::placeholder{color:var(--km-ink-3)}
.km-count{
  flex:none;font-size:11px;font-weight:700;color:var(--km-accent);
  background:var(--km-soft);border-radius:99px;padding:4px 9px;white-space:nowrap;
}

/* ---------- filtre çipleri ---------- */
.km-filter{display:flex;flex-direction:column;gap:7px;min-width:0}
.km-filter-label{font-size:10.5px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;color:var(--km-ink-3)}
.km-chips{display:flex;flex-wrap:wrap;gap:6px;min-width:0}
.km-chip{
  display:inline-flex;align-items:center;gap:6px;max-width:100%;
  font:inherit;font-size:12px;font-weight:600;line-height:1;
  padding:8px 11px;border-radius:99px;cursor:pointer;
  border:1.5px solid var(--km-line);background:var(--km-surface);color:var(--km-ink-2);
  transition:background .15s,color .15s,border-color .15s;
}
.km-chip svg{width:13px;height:13px;flex:none;opacity:.75}
.km-chip span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.km-chip:hover{border-color:color-mix(in srgb,var(--km-accent) 45%,var(--km-line));color:var(--km-accent)}
.km-chip.on{background:var(--km-accent);border-color:var(--km-accent);color:var(--km-accent-ink);font-weight:700}
.km-chip.on svg{opacity:1}

/* ---------- gruplar ---------- */
.km-group{display:flex;flex-direction:column;gap:10px;min-width:0}
.km-group-head{display:flex;align-items:center;gap:8px;padding-top:2px}
.km-group-head svg{width:15px;height:15px;flex:none;color:var(--km-accent)}
.km-group-title{margin:0;font-size:13px;font-weight:800;letter-spacing:-.005em;color:var(--km-ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.km-group-n{
  flex:none;font-size:10.5px;font-weight:800;color:var(--km-ink-3);
  background:var(--km-bg);border:1px solid var(--km-line);border-radius:99px;padding:2px 8px;
}
.km-group-line{flex:1;height:1px;background:var(--km-line);min-width:12px}

/* ---------- kartlar ---------- */
.km-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(228px,1fr));gap:10px}
.km-card{
  position:relative;display:flex;flex-direction:column;gap:10px;min-width:0;
  background:var(--km-surface);border:1px solid var(--km-line);border-radius:12px;
  padding:12px;transition:border-color .16s,box-shadow .16s,transform .16s;
}
.km-card:hover{
  border-color:color-mix(in srgb,var(--km-accent) 40%,var(--km-line));
  box-shadow:0 10px 24px -18px color-mix(in srgb,var(--km-accent) 80%,#000);
  transform:translateY(-2px);
}
.km-card-top{display:flex;align-items:flex-start;gap:9px;min-width:0}
.km-card-icon{
  width:34px;height:34px;flex:none;border-radius:9px;display:grid;place-items:center;
  background:var(--km-soft);color:var(--km-accent);
  border:1px solid color-mix(in srgb,var(--km-accent) 18%,transparent);
}
.km-card-icon svg{width:16px;height:16px}
.km-card-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}
.km-card-name{
  font-size:12.5px;font-weight:700;line-height:1.35;color:var(--km-ink);
  display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;overflow:hidden;
  word-break:break-word;
}
.km-card-meta{display:flex;align-items:center;gap:6px;flex-wrap:nowrap;font-size:10.5px;color:var(--km-ink-3);min-width:0;white-space:nowrap}
.km-card-tag{
  flex:none;font-size:10px;font-weight:700;color:var(--km-accent);
  background:var(--km-soft);border-radius:6px;padding:2px 6px;
}
.km-card-date{flex:0 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis}
.km-card-actions{display:flex;gap:6px;margin-top:auto}
.km-card-actions .km-btn{flex:1;min-width:0;padding:8px 6px;font-size:11.5px}
.km-card-actions .km-btn span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- yan panel ---------- */
.km-aside{display:flex;flex-direction:column;gap:12px;min-width:0;position:sticky;top:14px}
.km-side{
  background:var(--km-surface);border:1px solid var(--km-line);border-radius:var(--km-rad);
  padding:14px;display:flex;flex-direction:column;gap:10px;min-width:0;
}
.km-side-title{margin:0;font-size:12px;font-weight:800;letter-spacing:.02em;color:var(--km-ink);display:flex;align-items:center;gap:7px}
.km-side-title svg{width:14px;height:14px;color:var(--km-accent)}
.km-side-row{display:flex;flex-direction:column;gap:5px}
.km-side-row-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;font-size:11.5px;color:var(--km-ink-2)}
.km-side-row-head b{font-size:12px;font-weight:800;color:var(--km-ink);font-variant-numeric:tabular-nums}
.km-bar{height:5px;border-radius:99px;background:var(--km-bg);overflow:hidden}
.km-bar i{display:block;height:100%;border-radius:99px;background:var(--km-accent);opacity:.85}
.km-side-tip{
  font-size:11.5px;line-height:1.5;color:var(--km-ink-2);
  background:var(--km-soft);border:1px solid color-mix(in srgb,var(--km-accent) 18%,transparent);
  border-radius:11px;padding:10px 11px;display:flex;gap:8px;
}
.km-side-tip svg{width:14px;height:14px;flex:none;color:var(--km-accent);margin-top:1px}

/* ---------- boş durum ---------- */
.km-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  text-align:center;padding:44px 20px;border:1.5px dashed var(--km-line);border-radius:12px;background:var(--km-bg);
}
.km-empty svg{width:26px;height:26px;color:var(--km-ink-3)}
.km-empty p{margin:0;font-size:12.5px;line-height:1.5;color:var(--km-ink-3);max-width:320px}

/* ============================================================
   DUYARLILIK — masaüstü / tablet / mobil
   ============================================================ */
@media (max-width:1280px){
  .km-grid{grid-template-columns:minmax(0,1fr) 236px}
}
@media (max-width:1150px){
  .km-grid{grid-template-columns:minmax(0,1fr)}
  .km-aside{position:static;flex-direction:row;flex-wrap:wrap}
  .km-aside>*{flex:1 1 220px}
}
@media (max-width:900px){
  .km-stats{grid-template-columns:repeat(auto-fit,minmax(118px,1fr))}
  .km-cards{grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}
}
@media (max-width:680px){
  .km{gap:12px}
  .km-head{padding:13px 14px;gap:11px}
  .km-head-badge{width:38px;height:38px;border-radius:10px}
  .km-head-badge svg{width:17px;height:17px}
  .km-title{font-size:17px}
  .km-sub{font-size:12px}
  .km-head .km-btn{width:100%;justify-content:center}
  .km-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .km-stat{padding:10px 11px}
  .km-stat b{font-size:19px}
  .km-panel{padding:11px;border-radius:12px}
  .km-cards{grid-template-columns:minmax(0,1fr)}
  .km-chip{font-size:11.5px;padding:7px 10px}
  .km-aside{flex-direction:column}
  .km-side-tip{font-size:11px}
}
@media (max-width:400px){
  .km-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .km-card-actions{flex-direction:column}
  .km-card-actions .km-btn{width:100%}
}

/* koyu tema uyumu */
html[data-theme="dark"] .km,
body.dark .km{
  --km-soft:color-mix(in srgb,var(--km-accent) 18%,#17191A);
  --km-soft-2:color-mix(in srgb,var(--km-accent) 26%,#17191A);
}
@media print{.km-aside,.km-stats{display:none}}