:root{
  --bg1:#050814;
  --bg2:#0b1b3a;
  --card:#0e2a5a;
  --card2:#103a7a;
  --text:#eaf1ff;
  --muted:#a8c0ff;
  --accent:#ffd54a;
  --danger:#ff5a6b;
  --ok:#34d399;
  --shadow: 0 18px 40px rgba(0,0,0,.35);
  --radius: 18px;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 500px at 20% -10%, #2347ff33, transparent 55%),
    radial-gradient(900px 500px at 90% 0%, #ffd54a22, transparent 60%),
    linear-gradient(180deg, var(--bg2), var(--bg1));
  min-height:100vh;
}

header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding:22px 22px 8px;
  max-width:1200px;
  margin:0 auto;
}

.brand{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.brand h1{
  margin:0;
  font-size:22px;
  letter-spacing:.4px;
}
.brand .sub{
  color:var(--muted);
  font-size:13px;
}

.toolbar{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  justify-content:flex-end;
}

button, .btn{
  border:0;
  border-radius:14px;
  padding:10px 14px;
  background: #1a3f8d;
  color:var(--text);
  cursor:pointer;
  box-shadow: 0 10px 22px rgba(0,0,0,.25);
  transition: transform .08s ease, filter .15s ease;
  font-weight:600;
}
button:hover{filter:brightness(1.08)}
button:active{transform: translateY(1px)}
button.secondary{background:#132a58}
button.danger{background:#7a1f2b}
button.ok{background:#145a45}
a.btn{ text-decoration:none; display:inline-flex; align-items:center; }

.container{
  max-width:1200px;
  margin:0 auto;
  padding: 12px 22px 26px;
}

.panel{
  background: rgba(14,42,90,.55);
  border: 1px solid rgba(168,192,255,.18);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}

.board{
  display:grid;
  grid-template-columns: repeat(6, 1fr);
  gap:10px;
  padding:14px;
}

.theme{
  background: linear-gradient(180deg, rgba(255,213,74,.18), rgba(255,213,74,.06));
  border: 1px solid rgba(255,213,74,.25);
  border-radius: 14px;
  padding:14px 12px;
  text-align:center;
  font-weight:800;
  letter-spacing:.6px;
  text-transform:uppercase;
  font-size:12px;
  min-height:52px;
  display:flex;
  align-items:center;
  justify-content:center;
}

.cell{
  background: linear-gradient(180deg, rgba(16,58,122,.95), rgba(14,42,90,.92));
  border: 1px solid rgba(168,192,255,.18);
  border-radius: 14px;
  min-height:78px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:24px;
  font-weight:900;
  color: var(--accent);
  cursor:pointer;
  user-select:none;
  position:relative;
  overflow:hidden;
}

.cell:hover{ filter:brightness(1.08) }
.cell.used{
  cursor:default;
  color: rgba(234,241,255,.22);
  background: linear-gradient(180deg, rgba(5,8,20,.5), rgba(5,8,20,.35));
  border-color: rgba(168,192,255,.10);
}
.cell.used::after{
  content:"✓";
  position:absolute;
  top:10px;
  right:12px;
  color: rgba(52,211,153,.65);
  font-size:16px;
  font-weight:900;
}

.footerline{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding: 12px 14px 14px;
  color: var(--muted);
  font-size:13px;
  border-top:1px solid rgba(168,192,255,.12);
}

.badge{
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(168,192,255,.18);
  background: rgba(5,8,20,.35);
}

/* Modal */
.modal{
  position:fixed;
  inset:0;
  display:none;
  align-items:center;
  justify-content:center;
  padding:18px;
  background: rgba(0,0,0,.75);
  backdrop-filter: blur(6px);
}
.modal.open{ display:flex; }
.modalCard{
  width:min(860px, 100%);
  background: rgba(7,12,28,.92);
  border: 1px solid rgba(168,192,255,.18);
  border-radius: 22px;
  box-shadow: var(--shadow);
  overflow:hidden;
}
.modalTop{
  padding:16px 18px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  border-bottom:1px solid rgba(168,192,255,.12);
}
.modalTop .meta{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  color: var(--muted);
  font-size:13px;
}
.modalBody{
  padding:20px 18px 18px;
}
.qText{
  font-size:22px;
  line-height:1.35;
  margin:0 0 14px;
  font-weight:800;
}
.answer{
  display:none;
  padding:14px 14px;
  border-radius: 16px;
  background: rgba(16,58,122,.35);
  border: 1px solid rgba(168,192,255,.18);
  color: var(--text);
}
.answer strong{ color: var(--accent); }

.modalActions{
  padding:16px 18px 18px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  border-top:1px solid rgba(168,192,255,.12);
}

/* Admin */
.formRow{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
}
input, textarea, select{
  width:100%;
  padding:10px 12px;
  border-radius:14px;
  background: rgba(5,8,20,.45);
  border:1px solid rgba(168,192,255,.18);
  color: var(--text);
  outline:none;
}
textarea{ min-height:110px; resize:vertical; }
hr.sep{
  border:0;
  border-top:1px solid rgba(168,192,255,.12);
  margin:16px 0;
}
.list{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.item{
  padding:12px;
  border-radius: 16px;
  border:1px solid rgba(168,192,255,.14);
  background: rgba(5,8,20,.25);
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:12px;
}
.item .title{
  font-weight:800;
}
.item .small{
  color:var(--muted);
  font-size:13px;
}
@media (max-width:900px){
  .board{ grid-template-columns: repeat(3, 1fr); }
}
@media (max-width:520px){
  .board{ grid-template-columns: repeat(2, 1fr); }
  .formRow{ grid-template-columns: 1fr; }
}