:root {
  --bg: #071633;
  --bg-soft: #0f2347;
  --panel: #14284d;
  --panel-2: #1a315c;
  --text: #eaf1ff;
  --muted: #9fb2d7;
  --border: #2a4573;
  --primary: #2f6bff;
  --primary-soft: rgba(47, 107, 255, .2);
  --danger: #f87171;
  --success: #22c55e;
}

body.theme-light {
  --bg: #f4f7fd;
  --bg-soft: #ffffff;
  --panel: #ffffff;
  --panel-2: #f8fbff;
  --text: #12213f;
  --muted: #5f7195;
  --border: #d7e2f3;
  --primary: #2f6bff;
  --primary-soft: rgba(47, 107, 255, .12);
  --danger: #dc2626;
  --success: #16a34a;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Inter", "Segoe UI", sans-serif;
  background: radial-gradient(circle at 20% -10%, #1a376b, transparent 40%), var(--bg);
  color: var(--text);
}
body.theme-light { background: var(--bg); }

.admin-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 255px 1fr;
}
.admin-sidebar {
  background: var(--bg-soft);
  border-right: 1px solid var(--border);
  padding: 18px 14px;
}
.sidebar-brand { margin-bottom: 16px; padding: 6px 8px; }
.sidebar-kicker {
  margin: 0 0 5px;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.admin-sidebar h1 { margin: 0; font-size: 16px; line-height: 1.3; }
.admin-sidebar nav { display: grid; gap: 4px; }
.admin-sidebar a {
  color: var(--muted);
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
}
.admin-sidebar a:hover { background: var(--primary-soft); color: var(--text); }
.admin-sidebar a.is-active { background: var(--primary); color: #fff; }

.admin-main { padding: 18px 22px 26px; }
.admin-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px 14px;
  margin-bottom: 18px;
}
.admin-top-left { display: flex; align-items: center; gap: 10px; flex: 1; }
.admin-search {
  width: min(480px, 100%);
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 9px 12px;
}
.admin-top-actions { display: flex; align-items: center; gap: 10px; }
.theme-toggle {
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 10px;
  cursor: pointer;
}
.admin-user { font-size: 12px; color: var(--muted); text-align: right; }
.admin-user strong { color: var(--text); display: block; font-size: 13px; }
.admin-main h1 { margin: 0 0 8px; font-size: 30px; line-height: 1.2; }
.admin-main h2 { margin: 24px 0 10px; font-size: 19px; }
.admin-main p { color: var(--muted); margin: 0 0 12px; }

form, table {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
}
form { padding: 15px; margin-bottom: 14px; }
label { display: block; margin-bottom: 5px; color: var(--muted); font-size: 13px; font-weight: 600; }
input, textarea, select {
  width: 100%;
  margin-bottom: 11px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  padding: 9px 11px;
}
input:focus, textarea:focus, select:focus { outline: 2px solid rgba(47, 107, 255, .35); border-color: transparent; }
button {
  border: 0;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  padding: 10px 12px;
  font-weight: 700;
  cursor: pointer;
}
button:hover { filter: brightness(1.05); }

table { width: 100%; border-collapse: collapse; overflow: hidden; margin-bottom: 12px; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 13px; text-align: left; vertical-align: middle; }
thead th { color: var(--muted); font-weight: 700; background: var(--panel-2); }
tbody tr:last-child td { border-bottom: 0; }
td form { margin: 0; padding: 0; border: 0; background: transparent; display: inline-block; }
a { color: #7fb0ff; text-decoration: none; font-weight: 600; }
a:hover { text-decoration: underline; }
.quill-editor { background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px; margin-bottom: 12px; }
.ql-toolbar.ql-snow, .ql-container.ql-snow { border-color: var(--border) !important; }
.ql-editor { min-height: 160px; color: var(--text); }

.alert {
  margin-bottom: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  background: var(--panel);
}
.alert-success { color: var(--success); }
.alert-danger { color: var(--danger); }
.alert-warning { color: #facc15; }

.admin-auth-main {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}
.admin-login {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}
.admin-login h1 { margin: 0 0 6px; font-size: 28px; }
.admin-login p { margin: 0 0 16px; color: var(--muted); }
.admin-login button { width: 100%; }

@media (max-width: 980px) {
  .admin-shell { grid-template-columns: 1fr; }
  .admin-sidebar { position: sticky; top: 0; z-index: 10; }
  .admin-main { padding: 14px; }
  .admin-topbar { flex-direction: column; align-items: stretch; }
  .admin-top-left { flex-direction: column; align-items: stretch; }
  .admin-search { width: 100%; }
}