/* ===== ADMIN CSS — refined dark design ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

*,*::before,*::after{box-sizing:border-box}
body{margin:0;font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:radial-gradient(900px 560px at 8% -4%,rgba(59,130,246,.16),transparent 55%),radial-gradient(780px 520px at 95% 0%,rgba(14,165,233,.12),transparent 48%),linear-gradient(145deg,#0b1323 0%,#13213a 100%);
  color:#e2e8f0;line-height:1.5;min-height:100vh}

.container{max-width:1100px;margin:0 auto;padding:24px 28px}
.container.narrow{max-width:720px}
.container.wide{max-width:1400px}

/* header */
.hdr{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:24px;flex-wrap:wrap;
  padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.08)}
.hdr h1{margin:0;font-size:22px;font-weight:700;letter-spacing:-.02em;color:#f8fafc}
.hdr-actions{display:flex;gap:8px}

.btn{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 16px;
  border:1px solid rgba(255,255,255,.14);border-radius:12px;
  background:linear-gradient(180deg,rgba(255,255,255,.14),rgba(255,255,255,.05));color:#e2e8f0;
  text-decoration:none;cursor:pointer;font:inherit;font-size:13px;font-weight:500;
  transition:all .2s ease;backdrop-filter:blur(6px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 4px 14px rgba(2,6,23,.18)}
.btn:hover{background:linear-gradient(180deg,rgba(255,255,255,.2),rgba(255,255,255,.08));border-color:rgba(255,255,255,.24);color:#fff;transform:translateY(-1px)}
.btn.primary{background:#2563eb;color:#fff;border-color:rgba(37,99,235,.5);
  box-shadow:0 6px 18px rgba(37,99,235,.28),inset 0 1px 0 rgba(255,255,255,.24)}
.btn.primary:hover{background:#3b82f6;box-shadow:0 10px 24px rgba(37,99,235,.35),inset 0 1px 0 rgba(255,255,255,.32)}

/* card */
.card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  border-radius:16px;padding:20px;
  box-shadow:0 10px 28px rgba(2,6,23,.24),inset 0 1px 0 rgba(255,255,255,.08)
}
.mb{margin-bottom:20px}

/* table */
.tbl{width:100%;border-collapse:collapse;border-radius:16px;overflow:hidden;
  box-shadow:0 10px 28px rgba(2,6,23,.24)}
.tbl th,.tbl td{text-align:left;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.06)}
.tbl th{background:rgba(255,255,255,.04);font-size:12px;color:#94a3b8;font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.tbl td{color:#cbd5e1;font-size:14px}
.tbl tr:hover td{background:rgba(255,255,255,.03)}
.session-links{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}
.session-chip{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:24px;padding:0 8px;border-radius:999px;
  border:1px solid rgba(148,163,184,.35);
  background:rgba(15,23,42,.35);
  color:#cbd5e1;font-size:11px;font-weight:600;
  text-decoration:none
}
.session-chip:hover{border-color:rgba(96,165,250,.5);color:#bfdbfe;background:rgba(37,99,235,.18)}
.session-custom{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.session-custom-input{width:140px;min-height:32px;font-size:12px;padding:6px 9px}
.qr-link{display:inline-flex;align-items:center;justify-content:center;text-decoration:none}
.qr-img{
  width:64px;height:64px;display:block;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.12);
  background:#fff;
}
.theme-light .qr-img{border-color:rgba(0,0,0,.12)}
.theme-light .session-chip{
  border-color:rgba(0,0,0,.14);
  background:rgba(255,255,255,.76);
  color:#334155
}
.theme-light .session-chip:hover{border-color:rgba(37,99,235,.35);color:#1d4ed8;background:rgba(37,99,235,.08)}
.theme-light .session-custom-input{background:#fff}

/* alert */
.alert{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.25);
  color:#fca5a5;border-radius:12px;padding:12px 16px;margin-bottom:16px}
.alert p{margin:4px 0}

/* forms */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid label{display:flex;flex-direction:column;gap:5px;font-size:13px;font-weight:500;color:#94a3b8}
.form-grid .full{grid-column:1/-1}
.form-grid .check-row{flex-direction:row;align-items:center;gap:10px;grid-column:1/-1}
.form-grid .check-row input{width:auto;accent-color:#2563eb}
input,textarea,select{width:100%;
  border:1px solid rgba(255,255,255,.13);border-radius:12px;
  padding:9px 12px;font:inherit;font-size:14px;
  background:rgba(255,255,255,.055);color:#f1f5f9;
  transition:border-color .2s,box-shadow .2s}
input:focus,textarea:focus,select:focus{outline:none;border-color:#3b82f6;
  box-shadow:0 0 0 3px rgba(59,130,246,.24),0 4px 14px rgba(37,99,235,.14);background:rgba(255,255,255,.08)}
input::placeholder,textarea::placeholder{color:#64748b}
select option{background:#1e293b;color:#f1f5f9}
summary{cursor:pointer;font-size:15px;font-weight:600;color:#e2e8f0}
details summary::-webkit-details-marker{color:#64748b}

.section-title{margin:0 0 14px;font-size:17px;font-weight:700;letter-spacing:-.01em;color:#f8fafc}
.section-title small{font-weight:400;color:#64748b;font-size:13px}

/* --- admin blocks --- */
.blocks-list{display:flex;flex-direction:column;gap:0}
.block-card{position:relative}
.block-header{display:flex;align-items:center;justify-content:space-between;gap:12px}
.block-actions{display:flex;gap:6px;align-items:center}
.btn-sm{min-height:32px;padding:0 10px;font-size:12px;border-radius:8px}
.btn-danger{background:rgba(239,68,68,.15);border-color:rgba(239,68,68,.3);color:#f87171}
.btn-danger:hover{background:rgba(239,68,68,.25)}
.theme-light .btn-danger{background:rgba(239,68,68,.08);color:#dc2626}
.theme-light .btn-danger:hover{background:rgba(239,68,68,.15)}

/* --- admin grid --- */
.editor-layout{display:grid;grid-template-columns:1.7fr 1fr;gap:20px;align-items:start}
.admin-grid{display:grid;grid-template-columns:repeat(var(--cols),1fr);gap:10px}
.gcell{position:relative;aspect-ratio:1;border:none;border-radius:12px;cursor:pointer;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:12px;transition:all .2s ease;padding:6px;
  box-shadow:0 4px 16px rgba(0,0,0,.25),inset 0 1px 0 rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.06)}
.gcell:hover{transform:scale(1.06);box-shadow:0 6px 24px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.12)}
.gcell.active{outline:2px solid rgba(14,165,233,.7);outline-offset:3px;
  box-shadow:0 0 16px rgba(14,165,233,.2),0 4px 16px rgba(0,0,0,.25)}
.gcell-label{font-weight:700;opacity:.5;font-size:10px;text-transform:uppercase}
.gcell-name{font-weight:600;font-size:11px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

@media(max-width:860px){
  .editor-layout{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
}

/* --- color swatches --- */
.color-row{display:flex;gap:16px}
.color-pick{flex:1}
.color-inputs{display:flex;gap:8px;align-items:center}
.color-inputs input[type="color"]{width:44px;height:38px;border:1px solid rgba(255,255,255,.1);
  border-radius:10px;padding:2px;cursor:pointer;flex-shrink:0;background:rgba(255,255,255,.05)}
.hex-input{flex:1;font-family:'JetBrains Mono',Consolas,monospace;font-size:13px;text-transform:uppercase}
.swatches{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}
.swatches button{width:26px;height:26px;border:2px solid rgba(255,255,255,.1);border-radius:8px;cursor:pointer;padding:0;
  transition:all .15s ease;box-shadow:0 2px 8px rgba(0,0,0,.2)}
.swatches button:hover{transform:scale(1.2);border-color:rgba(255,255,255,.3);box-shadow:0 4px 12px rgba(0,0,0,.3)}

/* --- save status --- */
.save-msg{font-size:13px;font-weight:500}
.save-msg.ok{color:#4ade80}
.save-msg.err{color:#f87171}

/* scrollbar styling */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.2)}

/* links */
a{color:#60a5fa;transition:color .15s}
a:hover{color:#93bbfc}

/* ====== ADMIN LIGHT THEME ====== */
body.theme-light{
  background:linear-gradient(145deg,#f0f4f8 0%,#e2e8f0 100%);color:#1e293b
}
.theme-light .hdr{border-bottom-color:rgba(0,0,0,.08)}
.theme-light .hdr h1{color:#0f172a}
.theme-light .btn{border-color:rgba(0,0,0,.12);background:linear-gradient(180deg,rgba(255,255,255,.96),rgba(255,255,255,.72));color:#334155;box-shadow:inset 0 1px 0 rgba(255,255,255,.92),0 3px 10px rgba(15,23,42,.08)}
.theme-light .btn:hover{background:linear-gradient(180deg,#fff,rgba(255,255,255,.86));color:#0f172a}
.theme-light .btn.primary{background:#2563eb;color:#fff;border-color:#2563eb}
.theme-light .btn.primary:hover{background:#1d4ed8}
.theme-light .card{background:rgba(255,255,255,.76);border-color:rgba(0,0,0,.08);box-shadow:0 8px 20px rgba(15,23,42,.08),inset 0 1px 0 rgba(255,255,255,.75)}
.theme-light .tbl th,.theme-light .tbl td{border-bottom-color:rgba(0,0,0,.06)}
.theme-light .tbl th{background:rgba(0,0,0,.02);color:#64748b}
.theme-light .tbl td{color:#334155}
.theme-light .tbl tr:hover td{background:rgba(0,0,0,.02)}
.theme-light input,.theme-light textarea,.theme-light select{
  border-color:rgba(0,0,0,.12);background:rgba(255,255,255,.8);color:#1e293b}
.theme-light input:focus,.theme-light textarea:focus,.theme-light select:focus{
  border-color:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,.14),0 4px 12px rgba(37,99,235,.08);background:#fff}
.theme-light input::placeholder,.theme-light textarea::placeholder{color:#94a3b8}
.theme-light .form-grid label{color:#475569}
.theme-light summary{color:#1e293b}
.theme-light .section-title{color:#0f172a}
.theme-light .section-title small{color:#94a3b8}
.theme-light .gcell{border-color:rgba(0,0,0,.08);box-shadow:0 2px 8px rgba(0,0,0,.08)}
.theme-light .gcell:hover{box-shadow:0 4px 16px rgba(0,0,0,.12)}
.theme-light .swatches button{border-color:rgba(0,0,0,.12)}
.theme-light .swatches button:hover{border-color:rgba(0,0,0,.3)}
.theme-light .save-msg.ok{color:#16a34a}
.theme-light .save-msg.err{color:#dc2626}
.theme-light a{color:#2563eb}
.theme-light a:hover{color:#1d4ed8}
.theme-light ::-webkit-scrollbar-thumb{background:rgba(0,0,0,.12)}
.theme-light ::-webkit-scrollbar-thumb:hover{background:rgba(0,0,0,.2)}