/* Kuk Sool Won admin – dark navy, WKSA gold, orange → red accents */
:root {
  color-scheme: dark;
  --bg: #0b1120; --bg-deep: #060a14; --card: #131c2e; --card-2: #1b2539; --line: #26324a; --line-soft: #1e293b;
  --text: #f1f5f9; --muted: #94a3b8; --faint: #64748b;
  --orange: #f97316; --orange-deep: #ea580c; --red: #dc2626; --grad: linear-gradient(135deg, #ea580c, #dc2626);
  --gold: #eeb101; --gold-soft: rgba(238, 177, 1, .12);
  --red-soft: rgba(220, 38, 38, .14); --green: #4ade80; --green-soft: rgba(34, 197, 94, .14);
  --radius: 14px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font: 15px/1.55 Inter, system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--text); background: var(--bg); }
a { color: var(--orange); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-family: Inter, system-ui, sans-serif; font-weight: 800; letter-spacing: -.02em; margin: 0 0 .5em; color: #fff; }
h1 { font-size: 28px; } h2 { font-size: 19px; font-weight: 700; } h3 { font-size: 16px; }
.shell { display: grid; grid-template-columns: 270px 1fr; min-height: 100vh; }

/* Sidebar */
.side { background: var(--bg-deep); border-right: 1px solid var(--line-soft); padding: 0 0 18px; position: sticky; top: 0; height: 100vh; overflow-y: auto; display: flex; flex-direction: column; }
.brand { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 26px 18px 22px; border-bottom: 1px solid var(--line-soft); margin-bottom: 14px; }
.brand img { width: 92px; height: 92px; object-fit: contain; margin-bottom: 12px; }
.brand b { font-family: Georgia, "Times New Roman", serif; font-size: 18px; letter-spacing: .18em; color: #fff; display: block; }
.brand small { display: flex; align-items: center; gap: 8px; justify-content: center; color: var(--orange); font-size: 10px; letter-spacing: .25em; text-transform: uppercase; margin-top: 4px; font-weight: 600; }
.brand small::before, .brand small::after { content: ""; width: 16px; height: 1px; background: var(--orange-deep); }
.side nav { padding: 0 14px; flex: 1; }
.side nav a { display: flex; justify-content: space-between; align-items: center; color: var(--muted); padding: 10px 14px; border-radius: 12px; font-weight: 500; font-size: 14px; margin-bottom: 2px; transition: background .2s, color .2s; }
.side nav a:hover { background: var(--card); color: #fff; text-decoration: none; }
.side nav a.on { background: var(--grad); color: #fff; box-shadow: 0 8px 20px -8px rgba(234, 88, 12, .55); }
.side nav .grp { color: var(--faint); font-size: 11px; text-transform: uppercase; letter-spacing: .12em; margin: 18px 14px 8px; font-weight: 600; }
.side .count { background: var(--gold); color: #111; border-radius: 99px; font-size: 11px; padding: 0 7px; font-weight: 700; }
.side .on .count { background: #fff; color: var(--red); }
.side .me { margin: 20px 14px 0; border-top: 1px solid var(--line-soft); padding: 16px 6px 0; font-size: 13px; color: var(--faint); }
.side .me .who { color: #fff; font-weight: 600; display: block; }
.side .me button { margin-top: 10px; width: 100%; text-align: left; background: var(--card); border: 1px solid var(--line); color: var(--muted); padding: 8px 12px; border-radius: 10px; cursor: pointer; font: 500 13px Inter, sans-serif; }
.side .me button:hover { color: #f87171; border-color: rgba(220, 38, 38, .4); }

/* Main */
.main { padding: 28px 34px 60px; max-width: 1240px; width: 100%; }
.top { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.top p { color: var(--muted); margin: 0; max-width: 760px; }
.card { background: var(--card); border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; box-shadow: 0 10px 30px -15px rgba(0, 0, 0, .6); }
a.card { color: inherit; display: block; transition: border-color .2s, transform .2s; }
a.card:hover { text-decoration: none; border-color: var(--line); transform: translateY(-1px); }
.hero { background: linear-gradient(120deg, #172036 0%, #111827 55%, #2a1a14 100%); border: 1px solid var(--line); border-radius: 22px; padding: 28px 30px; }
.hero h1 { font-size: 32px; }
.hero h1 span { background: linear-gradient(90deg, #fb923c, #fcd34d); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } .g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat b { font-size: 32px; font-weight: 800; display: block; line-height: 1.15; color: #fff; letter-spacing: -.02em; }
.stat span { color: var(--muted); font-size: 13px; font-weight: 500; }
.stat.accent { background: var(--grad); border-color: transparent; }
.stat.accent span { color: rgba(255, 255, 255, .85); }

/* Tables */
table { width: 100%; border-collapse: collapse; }
.tablewrap { border: 1px solid var(--line-soft); border-radius: var(--radius); overflow-x: auto; background: var(--card); }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line-soft); vertical-align: middle; }
th { font-size: 11px; text-transform: uppercase; letter-spacing: .1em; color: var(--faint); background: rgba(255, 255, 255, .02); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
tr.click { cursor: pointer; } tr.click:hover td { background: rgba(249, 115, 22, .05); }
.muted { color: var(--muted); } .small { font-size: 13px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; background: var(--grad); color: #fff; border: 1px solid transparent; padding: 9px 16px; border-radius: 10px; font: 600 14px Inter, system-ui, sans-serif; cursor: pointer; white-space: nowrap; box-shadow: 0 6px 16px -8px rgba(234, 88, 12, .7); }
.btn:hover { filter: brightness(1.1); text-decoration: none; }
.btn.secondary { background: var(--card-2); color: var(--text); border-color: var(--line); box-shadow: none; }
.btn.secondary:hover { border-color: var(--faint); }
.btn.dark { background: #fff; color: #111; box-shadow: none; }
.btn.danger { background: transparent; color: #f87171; border-color: rgba(248, 113, 113, .5); box-shadow: none; }
.btn.sm { padding: 5px 11px; font-size: 13px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spread { justify-content: space-between; }
form.inline { display: inline; }

/* Forms */
label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 5px; color: #cbd5e1; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], input[type=time], input[type=datetime-local], input[type=url], input[type=search], input[type=file], select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; font: 15px Inter, system-ui, sans-serif; background: var(--bg); color: var(--text);
}
input::placeholder, textarea::placeholder { color: var(--faint); }
input:disabled { opacity: .6; }
textarea { resize: vertical; }
select option { background: var(--card); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--orange); box-shadow: 0 0 0 3px rgba(249, 115, 22, .2); }
input[type=color] { width: 60px; height: 40px; padding: 3px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); }
.check { display: flex; gap: 9px; align-items: center; font-weight: 500; font-size: 14px; color: var(--text); }
.check input { width: 18px; height: 18px; accent-color: var(--orange-deep); }
.fields { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px 18px; }
.f-full { grid-column: span 6; } .f-half { grid-column: span 3; } .f-third { grid-column: span 2; }
.help { color: var(--faint); font-size: 12px; margin-top: 5px; }
.err { color: #f87171; font-size: 13px; margin-top: 4px; }

/* Messages + badges */
.flash { padding: 12px 15px; border-radius: 12px; margin-bottom: 18px; font-weight: 500; border: 1px solid transparent; }
.flash.ok { background: var(--green-soft); color: var(--green); border-color: rgba(74, 222, 128, .25); }
.flash.bad { background: var(--red-soft); color: #f87171; border-color: rgba(248, 113, 113, .3); }
.badge { display: inline-block; padding: 2px 10px; border-radius: 99px; font-size: 12px; font-weight: 600; background: var(--card-2); color: var(--muted); border: 1px solid var(--line); white-space: nowrap; }
.badge.good { background: var(--green-soft); color: var(--green); border-color: rgba(74, 222, 128, .25); }
.badge.bad { background: var(--red-soft); color: #f87171; border-color: rgba(248, 113, 113, .3); }
.badge.warn { background: rgba(249, 115, 22, .12); color: #fb923c; border-color: rgba(251, 146, 60, .3); }
.badge.dark { background: var(--gold-soft); color: var(--gold); border-color: rgba(238, 177, 1, .35); }
.swatch { display: inline-block; width: 14px; height: 14px; border-radius: 4px; border: 1px solid rgba(255, 255, 255, .3); vertical-align: -2px; }

.filters { display: flex; gap: 12px; align-items: end; flex-wrap: wrap; margin-bottom: 16px; }
.filters > div { min-width: 170px; }
.filters input[type=search] { min-width: 250px; }
.pager { display: flex; gap: 8px; justify-content: flex-end; margin-top: 12px; align-items: center; }
.list { list-style: none; padding: 0; margin: 0; }
.list li { padding: 10px 0; border-bottom: 1px solid var(--line-soft); display: flex; justify-content: space-between; gap: 10px; }
.list li:last-child { border-bottom: 0; }
.kv { display: grid; grid-template-columns: 170px 1fr; gap: 8px 12px; }
.kv dt { color: var(--faint); font-size: 13px; } .kv dd { margin: 0; white-space: pre-wrap; }

/* Attendance register */
.register label.member { display: flex; gap: 10px; align-items: center; padding: 11px 13px; border: 1px solid var(--line-soft); border-radius: 12px; background: var(--card); cursor: pointer; font-weight: 500; margin: 0; color: var(--text); }
.register label.member:hover { border-color: var(--line); }
.register label.member:has(input:checked) { background: var(--green-soft); border-color: rgba(74, 222, 128, .4); }
.register label.member input { width: 20px; height: 20px; accent-color: #22c55e; flex: none; }
.register .grid { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 8px; }
.sticky-bar { position: sticky; bottom: 0; background: var(--bg); padding: 14px 0; border-top: 1px solid var(--line-soft); margin-top: 14px; }

/* Login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 20px; background: radial-gradient(ellipse at top, #1e293b 0%, var(--bg) 55%, #000 100%); }
.login .card { width: 100%; max-width: 400px; padding: 32px; }
.login .brand { border: 0; padding: 0 0 16px; margin: 0; }
.empty { text-align: center; padding: 32px; color: var(--faint); }

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: static; height: auto; }
  .brand { flex-direction: row; gap: 12px; padding: 14px 16px; text-align: left; align-items: center; }
  .brand img { width: 44px; height: 44px; margin: 0; }
  .brand small { justify-content: flex-start; }
  .side nav { display: flex; flex-wrap: wrap; gap: 4px; } .side nav .grp { display: none; }
  .main { padding: 18px 16px 40px; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
  .f-half, .f-third { grid-column: span 6; }
  .kv { grid-template-columns: 1fr; }
  .hero { padding: 22px; }
}