/* KTA weekly class schedule — editorial 7-day columns + mobile stacked agenda. */
.ksch{padding:0 var(--gutter) 60px;max-width:1600px;margin:auto}
.ksch-loading{padding:60px 0;color:#41516a}
.ksch-error{padding:48px 0;text-align:center;color:#41516a}
.ksch-retry-btn{margin-top:14px;min-height:44px;padding:0 20px;border:1px solid var(--hairline);background:#fff;border-radius:var(--control-radius);font-weight:800;font-size:13px;cursor:pointer;font-family:inherit}
.ksch-retry-btn:hover{border-color:var(--blue)}

.ksch-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin:10px 0 20px}
.ksch-week-label{font-family:Georgia,serif;font-size:clamp(28px,3.6vw,42px);line-height:1;letter-spacing:-.02em;margin:0 0 6px}
.ksch-tz{margin:0;font-size:12px;color:#41516a}
.ksch-nav{display:flex;align-items:center;gap:10px}
.ksch-nav button{min-height:44px;min-width:44px;border:1px solid var(--hairline);background:#fff;border-radius:var(--control-radius);font-size:18px;cursor:pointer;font-family:inherit}
.ksch-nav button:hover{border-color:var(--blue)}
.ksch-nav .ksch-today-btn{min-width:auto;padding:0 18px;font-weight:800;font-size:12px;letter-spacing:.08em;text-transform:uppercase}

.ksch-filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.ksch-chip{border:1px solid var(--hairline);background:#fff;border-radius:999px;padding:9px 16px;font-size:13px;font-weight:700;cursor:pointer;font-family:inherit;min-height:40px}
.ksch-chip[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}

.ksch-banners{display:flex;flex-direction:column;gap:8px;margin-bottom:22px}
.ksch-banner{border-radius:4px;padding:12px 16px;font-size:13px;line-height:1.5;border-left:4px solid transparent}
.ksch-banner-closed{background:#f1f1ee;border-left-color:#51504a;color:#38372f}
.ksch-banner-unconfirmed{background:#fff6df;border-left-color:#a9780a;color:#5c4404}

/* Desktop: 7 columns, Sunday narrower since it always has zero regular classes. */
.ksch-agenda{display:none}
.ksch-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr)) .7fr;gap:10px;align-items:stretch}
.ksch-col{background:#fff;border:1px solid var(--hairline);border-radius:4px;min-width:0;display:flex;flex-direction:column}
.ksch-col-today{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue)}
.ksch-col-head{padding:10px 10px 8px;border-bottom:1px solid var(--hairline);background:var(--paper);text-align:center}
.ksch-col-dow{display:block;font-size:11px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:#41516a}
.ksch-col-date{display:block;font-family:Georgia,serif;font-size:15px;margin-top:2px}
.ksch-col-today .ksch-col-date{color:var(--blue)}
.ksch-col-body{padding:8px;display:flex;flex-direction:column;gap:8px;min-height:60px}
.ksch-empty{margin:6px 2px;font-size:12px;color:#8a8a80;line-height:1.5}

.ksch-card{border:1px solid var(--hairline);border-left:3px solid var(--c,#41516a);border-radius:3px;padding:8px 9px;font-size:12px;line-height:1.4;background:var(--bg,#edeef0)}
.ksch-card-time{font-weight:800;font-size:14px;color:var(--ink)}
.ksch-orig-time{text-decoration:line-through;opacity:.6;font-weight:600}
.ksch-card-program{font-weight:600;margin-top:4px;font-size:12px}
.ksch-card-audience{color:#41516a;margin-top:1px}
.ksch-card-status{display:inline-block;margin-top:5px;font-size:10px;font-weight:900;letter-spacing:.06em;text-transform:uppercase;padding:2px 7px;border-radius:999px}
.ksch-card-note{margin-top:5px;font-size:11px;font-style:italic;color:#555}

.ksch-prog-taekwondo{--c:var(--blue);--bg:#e8eef7}
.ksch-prog-gumdo{--c:#7a5807;--bg:#fff6df}
.ksch-prog-hapkido{--c:#1c6b4f;--bg:#e4f3ec}
.ksch-prog-hopaesool{--c:var(--red);--bg:#fdeaec}

.ksch-status-closed{opacity:.75}
.ksch-status-closed .ksch-card-time,.ksch-status-closed .ksch-card-audience{text-decoration:line-through}
.ksch-status-closed .ksch-card-status{background:#51504a;color:#fff}
.ksch-status-unconfirmed{border-style:dashed}
.ksch-status-unconfirmed .ksch-card-status{background:#a9780a;color:#fff}
.ksch-status-replaced .ksch-card-status{background:var(--blue);color:#fff}

.ksch-footer{margin-top:34px;padding-top:20px;border-top:1px solid var(--hairline)}
.ksch-source-note{font-size:12px;color:#8a8a80;line-height:1.6;max-width:760px;margin:0 0 12px}
.ksch-notes summary{cursor:pointer;font-weight:800;font-size:13px;color:var(--blue)}
.ksch-notes ul{margin:10px 0 0;padding-left:18px;font-size:13px;line-height:1.7;color:#41516a}

.ksch-chip:focus-visible,.ksch-nav button:focus-visible,.ksch-retry-btn:focus-visible{outline:3px solid #f0b400;outline-offset:2px}
.ksch-swatch{display:inline-block;width:9px;height:9px;background:var(--c);border-radius:50%;margin-right:7px;box-shadow:0 0 0 1px #ffffff80}

@media(max-width:900px){.ksch-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:700px){
  .ksch-grid{display:none}
  .ksch-agenda{display:flex;flex-direction:column;gap:10px}
  .ksch-agenda-day-head{font-family:Georgia,serif;font-size:20px;font-weight:400;margin:0;display:flex;justify-content:space-between;align-items:center;gap:12px;cursor:pointer;padding:15px 16px;list-style:none;min-height:64px}
  .ksch-agenda-day-head::-webkit-details-marker{display:none}
  .ksch-agenda-day-head small{display:block;font-size:12px;font-family:inherit;font-weight:400;color:#41516a;margin-top:5px}
  .ksch-agenda-today .ksch-agenda-day-head{color:var(--blue);background:#e8eef7}
  .ksch-agenda-day{border:1px solid var(--hairline);border-radius:4px;background:#fff;overflow:hidden}
  .ksch-agenda-day-body{display:flex;flex-direction:column;gap:8px;padding:0 12px 12px}
  .ksch-day-toggle{font-family:inherit;font-size:25px;color:var(--blue)}
  .ksch-agenda-day[open] .ksch-day-toggle{font-size:0}
  .ksch-agenda-day[open] .ksch-day-toggle:after{content:'−';font-size:25px}
  .ksch-agenda-day-head:focus-visible{outline:3px solid #f0b400;outline-offset:-4px}
  .ksch-card-time{font-size:17px}
  .ksch-filters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .ksch-chip:first-child{grid-column:1/-1}
}