:root {
  --bg: #f4f6f9;
  --bg-soft: #eef2f7;
  --side: #0f172a;
  --side-2: #111c33;
  --card: #ffffff;
  --line: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #2563eb;
  --accent-2: #1d4ed8;
  --ok: #059669;
  --err: #dc2626;
  --warn: #d97706;
  --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .04);
  --radius: 14px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, .btn {
  appearance: none;
  border: 0;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  border-radius: 10px;
  padding: 11px 16px;
  background: var(--accent);
  color: #fff;
  transition: background .15s ease, transform .05s ease;
}
button:hover, .btn:hover { background: var(--accent-2); }
button:active, .btn:active { transform: translateY(1px); }
button.secondary, .btn.secondary {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--line);
}
button.secondary:hover, .btn.secondary:hover { background: var(--bg-soft); }
label { display: block; font-size: 12px; font-weight: 600; color: var(--muted); margin: 0 0 6px; letter-spacing: .02em; }
input, textarea, select {
  width: 100%;
  padding: 11px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  font: inherit;
  margin: 0 0 14px;
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
input:focus, textarea:focus, select:focus {
  border-color: #93c5fd;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .15);
}
textarea { min-height: 96px; resize: vertical; font-family: ui-monospace, Consolas, monospace; font-size: 12.5px; }
.help { font-size: 12.5px; color: var(--muted); margin: -6px 0 14px; line-height: 1.45; }
.muted { color: var(--muted); }
.flash {
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: 14px;
  border: 1px solid transparent;
}
.flash.ok { background: #ecfdf5; color: var(--ok); border-color: #a7f3d0; }
.flash.err { background: #fef2f2; color: var(--err); border-color: #fecaca; }

/* —— Login —— */
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(37,99,235,.25), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(14,165,233,.18), transparent 50%),
    linear-gradient(160deg, #0b1220 0%, #111827 45%, #0f172a 100%);
}
.login-shell {
  width: min(920px, 100%);
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,.35);
  backdrop-filter: blur(8px);
}
.login-hero {
  padding: 42px 36px;
  color: #e8eefc;
  background:
    linear-gradient(160deg, rgba(37,99,235,.35), rgba(15,23,42,.2)),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.login-hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #93c5fd;
  margin-bottom: 18px;
}
.login-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(28px, 4vw, 36px);
  line-height: 1.1;
  letter-spacing: -.02em;
}
.login-hero p { margin: 0; color: #94a3b8; max-width: 28ch; line-height: 1.55; }
.login-hero .pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.login-hero .pill {
  font-size: 12px;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  color: #cbd5e1;
}
.login-card {
  background: #fff;
  padding: 40px 34px;
  color: var(--text);
}
.login-card h2 { margin: 0 0 6px; font-size: 22px; letter-spacing: -.02em; }
.login-card .sub { margin: 0 0 22px; color: var(--muted); font-size: 14px; }
.login-card button { width: 100%; margin-top: 6px; padding: 12px 16px; }

/* —— App shell —— */
.layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}
aside {
  background: linear-gradient(180deg, var(--side) 0%, var(--side-2) 100%);
  color: #e2e8f0;
  padding: 22px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-right: 1px solid rgba(255,255,255,.04);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px 18px;
}
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: -.04em;
  color: #fff;
  background: linear-gradient(135deg, #3b82f6, #0ea5e9);
  box-shadow: 0 8px 20px rgba(37,99,235,.35);
}
.brand-text strong { display: block; font-size: 14px; letter-spacing: -.01em; }
.brand-text span { display: block; font-size: 11px; color: #94a3b8; margin-top: 2px; }
.nav-label {
  margin: 10px 12px 6px;
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #64748b;
}
nav { display: flex; flex-direction: column; gap: 3px; flex: 1; }
nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border-radius: 10px;
  color: #94a3b8;
  font-size: 14px;
  font-weight: 500;
}
nav a:hover { background: rgba(255,255,255,.05); color: #e2e8f0; }
nav a.active {
  background: rgba(37,99,235,.18);
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(59,130,246,.35);
}
nav a .ico {
  width: 22px;
  text-align: left;
  opacity: .55;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}
.logout {
  margin-top: 8px;
  padding: 11px 12px;
  border-radius: 10px;
  color: #94a3b8;
  font-size: 14px;
}
.logout:hover { background: rgba(248,113,113,.1); color: #fecaca; }

main { padding: 28px 30px 40px; }
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 22px;
}
.topbar h1 { margin: 0; font-size: 26px; letter-spacing: -.03em; }
.topbar .sub { margin: 6px 0 0; color: var(--muted); font-size: 13.5px; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  box-shadow: var(--shadow);
}
.badge i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok);
  display: inline-block;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.card h2 {
  margin: 0 0 4px;
  font-size: 16px;
  letter-spacing: -.01em;
}
.card .card-desc { margin: 0 0 16px; color: var(--muted); font-size: 13px; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-2 { display: grid; gap: 16px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.stat-grid { display: grid; gap: 14px; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 16px; }
.stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.stat .k { font-size: 12px; color: var(--muted); font-weight: 600; margin-bottom: 8px; }
.stat .v { font-size: 20px; font-weight: 700; letter-spacing: -.03em; word-break: break-all; }
.stat .v.sm { font-size: 14px; font-weight: 600; }

.preview-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 6px 0 16px; }
.preview-box {
  border: 1px dashed var(--line);
  border-radius: 12px;
  background: var(--bg-soft);
  min-height: 120px;
  display: grid;
  place-items: center;
  overflow: hidden;
  position: relative;
}
.preview-box img { max-width: 100%; max-height: 140px; object-fit: contain; display: block; }
.preview-box .ph { color: var(--muted); font-size: 12px; }
.preview-box.wall img { width: 100%; max-height: 140px; object-fit: cover; }
.field-block { margin-bottom: 4px; }
.field-block .pair { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.banner-slot {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  background: #fafbfc;
  margin-bottom: 12px;
}
.banner-slot header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.banner-slot header strong { font-size: 14px; }
.banner-slot .thumb {
  width: 100%;
  height: 90px;
  border-radius: 10px;
  background: #e2e8f0;
  overflow: hidden;
  margin-bottom: 12px;
  display: grid;
  place-items: center;
}
.banner-slot .thumb img { width: 100%; height: 100%; object-fit: cover; }
.banner-slot .thumb .ph { font-size: 12px; color: var(--muted); }

code, pre {
  background: #0f172a;
  color: #e2e8f0;
  border-radius: 10px;
  padding: 10px 12px;
  display: block;
  overflow: auto;
  font-size: 12.5px;
}
code.inline {
  display: inline;
  padding: 2px 6px;
  background: #eef2ff;
  color: #3730a3;
  border-radius: 6px;
}

@media (max-width: 980px) {
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-2, .preview-row { grid-template-columns: 1fr; }
  .login-shell { grid-template-columns: 1fr; }
  .login-hero { display: none; }
}
@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; }
  aside { position: sticky; top: 0; z-index: 20; }
  nav { flex-direction: row; flex-wrap: wrap; }
  nav a { padding: 8px 10px; font-size: 13px; }
}