:root {
  --a-ink: #14171B;
  --a-panel: #1B1F24;
  --a-panel-2: #22262C;
  --a-line: #2E333A;
  --a-text: #E7E8EA;
  --a-muted: #8B929B;
  --a-red: #72BB3D;
  --a-red-dark: #5A9A2E;
  --a-danger: #C4281E;
  --a-ok: #2FA35A;
  --a-warn: #D8940A;
  --paper-light: #F3F2EE;
  --radius: 4px;
}
* { box-sizing: border-box; }
svg { width: 18px; height: 18px; flex-shrink: 0; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--paper-light);
  color: #202225;
  font-size: 15px;
}
a { text-decoration: none; color: inherit; }
input, select, textarea, button { font-family: inherit; font-size: 0.94rem; }

.admin-shell { display: flex; min-height: 100vh; }

.admin-sidebar {
  width: 236px;
  background: var(--a-ink);
  color: var(--a-text);
  flex-shrink: 0;
  padding: 22px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.admin-brand { display: flex; align-items: center; gap: 10px; padding: 0 8px 22px; border-bottom: 1px solid var(--a-line); margin-bottom: 18px; }
.admin-brand .mark { width: 32px; height: 32px; border: 2px solid var(--a-red); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .8rem; color: var(--a-red); }
.admin-brand strong { font-size: 1.02rem; letter-spacing: .01em; }
.admin-brand span { display: block; font-size: .68rem; color: var(--a-muted); text-transform: uppercase; letter-spacing: .06em; }

.admin-nav a {
  display: flex; align-items: center; gap: 11px;
  padding: 11px 12px;
  border-radius: var(--radius);
  color: var(--a-muted);
  font-size: .89rem;
  font-weight: 500;
  margin-bottom: 2px;
}
.admin-nav a svg { width: 17px; height: 17px; flex-shrink: 0; }
.admin-nav a:hover { background: var(--a-panel); color: var(--a-text); }
.admin-nav a.active { background: var(--a-red); color: #fff; }
.admin-nav .nav-sep { font-size: .66rem; text-transform: uppercase; letter-spacing: .08em; color: #565C64; padding: 18px 12px 8px; }

.admin-main { flex: 1; min-width: 0; }
.admin-topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 30px;
  background: #fff;
  border-bottom: 1px solid #E3E1DA;
  position: sticky; top: 0; z-index: 10;
}
.admin-topbar h1 { font-size: 1.2rem; margin: 0; font-weight: 700; }
.admin-user { display: flex; align-items: center; gap: 12px; font-size: .86rem; color: #6B7178; }
.admin-user a { color: var(--a-red); font-weight: 600; }

.admin-content { padding: 28px 30px 60px; max-width: 1180px; }

.card {
  background: #fff;
  border: 1px solid #E3E1DA;
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 22px;
}
.card h2 { font-size: 1rem; margin: 0 0 16px; font-weight: 700; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }

.stat-cards { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-bottom: 24px; }
.stat-card { background: #fff; border: 1px solid #E3E1DA; border-radius: var(--radius); padding: 20px; }
.stat-card .n { font-size: 1.9rem; font-weight: 800; color: var(--a-red); font-family: 'JetBrains Mono', monospace; }
.stat-card .l { font-size: .78rem; color: #8A8F94; text-transform: uppercase; letter-spacing: .04em; margin-top: 4px; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .82rem; font-weight: 600; margin-bottom: 6px; color: #444; }
.form-group .hint { font-size: .76rem; color: #8A8F94; margin-top: 5px; }
.form-group input[type=text], .form-group input[type=number], .form-group input[type=password],
.form-group input[type=email], .form-group select, .form-group textarea {
  width: 100%; padding: 10px 12px; border: 1.5px solid #D8D5CD; border-radius: var(--radius); background: #fff;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--a-red); }
.form-group textarea { min-height: 100px; resize: vertical; }
.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: 17px; height: 17px; accent-color: var(--a-red); }

.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 10px 18px; border-radius: var(--radius); border: 1.5px solid var(--a-ink);
  background: var(--a-ink); color: #fff; font-weight: 600; font-size: .87rem; cursor: pointer;
}
.btn svg { width: 15px; height: 15px; }
.btn.btn-red { background: var(--a-red); border-color: var(--a-red); }
.btn.btn-red:hover { background: var(--a-red-dark); }
.btn.btn-outline { background: #fff; color: #333; border-color: #D8D5CD; }
.btn.btn-outline:hover { border-color: var(--a-ink); }
.btn.btn-danger { background: #fff; color: #C4281E; border-color: #F0C6C2; }
.btn.btn-danger:hover { background: #FBEDEC; }
.btn.btn-sm { padding: 7px 12px; font-size: .78rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

table.data-table { width: 100%; border-collapse: collapse; background: #fff; }
table.data-table th {
  text-align: left; font-size: .74rem; text-transform: uppercase; letter-spacing: .04em;
  color: #8A8F94; padding: 12px 14px; border-bottom: 2px solid #E3E1DA; font-weight: 700;
}
table.data-table td { padding: 13px 14px; border-bottom: 1px solid #EDEBE5; font-size: .89rem; vertical-align: middle; }
table.data-table tr:last-child td { border-bottom: none; }
table.data-table img.thumb { width: 40px; height: 40px; object-fit: contain; background: #F5F4F1; border-radius: 3px; border: 1px solid #EDEBE5; }
.row-actions { display: flex; gap: 6px; }

.badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 20px; font-size: .72rem; font-weight: 700; }
.badge.ok { background: #E6F6EC; color: var(--a-ok); }
.badge.off { background: #F1EFE9; color: #8A8F94; }
.badge.tag { background: #EAF6E1; color: var(--a-red); }

.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; gap: 14px; flex-wrap: wrap; }
.toolbar .search-box { position: relative; }
.toolbar .search-box input { padding: 9px 12px 9px 34px; border: 1.5px solid #D8D5CD; border-radius: var(--radius); width: 260px; }
.toolbar .search-box svg { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); width: 15px; height: 15px; color: #999; }

.alert { padding: 13px 16px; border-radius: var(--radius); font-size: .87rem; margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.alert.success { background: #E6F6EC; color: #1E7B45; border: 1px solid #C6EAD3; }
.alert.error { background: #FDECEA; color: #B5000F; border: 1px solid #F5C6C2; }

.login-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--a-ink); }
.login-box { width: 100%; max-width: 380px; background: var(--a-panel); border: 1px solid var(--a-line); border-radius: 6px; padding: 36px 32px; }
.login-box .admin-brand { border: none; justify-content: center; margin-bottom: 26px; padding-bottom: 0; }
.login-box .form-group label { color: var(--a-muted); }
.login-box .form-group input { background: var(--a-panel-2); border-color: var(--a-line); color: #fff; }
.login-box .btn { width: 100%; justify-content: center; }

.file-upload-box {
  border: 1.5px dashed #D8D5CD; border-radius: var(--radius); padding: 20px; text-align: center; background: #FBFAF7;
}
.file-list-mini { margin-top: 14px; display: flex; flex-direction: column; gap: 8px; }
.file-list-mini .item { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border: 1px solid #EDEBE5; border-radius: var(--radius); background: #fff; font-size: .84rem; }
.file-list-mini .item span { flex: 1; }

.repeater-row { display: grid; grid-template-columns: 1fr 1fr auto; gap: 10px; margin-bottom: 8px; align-items: center; }

@media (max-width: 900px) {
  .admin-sidebar { display: none; }
  .grid-2, .grid-3, .stat-cards { grid-template-columns: 1fr; }
}