:root {
  --bg: #000;
  --fg: #fff;
  --muted: #8a8a8a;
  --line: #222;
  --card: #111;
  --neon: #00ff40;
  --danger: #ff4d4d;
  --sidebar: 240px;
  --header: 72px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: Inter, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font-family: inherit; }

.admin-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 20px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.admin-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.admin-brand img {
  width: 150px;
  height: auto;
}

.admin-brand span {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.admin-menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  color: var(--fg);
  font-size: 22px;
  cursor: pointer;
}

.admin-shell {
  display: grid;
  grid-template-columns: var(--sidebar) 1fr;
  min-height: calc(100vh - var(--header));
}

.admin-nav {
  padding: 28px 16px;
  border-right: 1px solid var(--line);
  background: #050505;
}

.admin-nav a {
  display: block;
  padding: 12px 14px;
  margin-bottom: 6px;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 12px;
}

.admin-nav a:hover,
.admin-nav a.is-active {
  color: var(--bg);
  background: var(--fg);
}

.admin-nav a.sair:hover {
  background: var(--danger);
  color: var(--fg);
}

.admin-main {
  padding: 32px 28px 64px;
  min-width: 0;
}

.admin-title {
  margin: 0 0 8px;
  font-size: 32px;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.admin-lead {
  margin: 0 0 28px;
  color: var(--muted);
  max-width: 62ch;
}

.admin-hint {
  margin: -6px 0 16px;
  color: var(--muted);
  font-size: 13px;
  max-width: 70ch;
}

.admin-card {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 22px;
  margin-bottom: 24px;
}

.admin-card h2 {
  margin: 0 0 18px;
  font-size: 18px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.admin-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.admin-field input,
.admin-field textarea {
  text-transform: none;
  letter-spacing: 0;
  font-size: 14px;
  color: var(--fg);
}

.admin-field label,
.admin-field-full label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.admin-field-full {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 12px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="file"],
textarea {
  width: 100%;
  padding: 12px 12px;
  border: 1px solid #2a2a2a;
  background: #000;
  color: var(--fg);
  font-size: 14px;
}

textarea { min-height: 88px; resize: vertical; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 18px;
  border: 0;
  background: var(--fg);
  color: var(--bg);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.btn:hover { background: var(--neon); }
.btn-ghost { background: transparent; color: var(--fg); border: 1px solid var(--line); }
.btn-danger { background: var(--danger); color: var(--fg); }
.btn-danger:hover { background: #c00; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

.admin-list { display: grid; gap: 16px; }
.admin-item {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 16px;
  padding: 16px;
  border: 1px solid var(--line);
  background: #0a0a0a;
}

.admin-item img,
.capa-mini,
.foto-mini {
  width: 88px;
  height: 88px;
  object-fit: cover;
  background: #111;
}

.flash-ok,
.flash { color: var(--neon); margin-bottom: 12px; }
.flash-err,
.flash-error { color: var(--danger); margin-bottom: 12px; }
.empty { color: var(--muted); }

.admin-row {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 12px;
}

.admin-field.span-2 { grid-column: span 2; }
.admin-field.span-3 { grid-column: span 3; }
.admin-field.span-4 { grid-column: span 4; }
.admin-field.span-6 { grid-column: span 6; }
.admin-field.span-8 { grid-column: span 8; }
.admin-field.span-12 { grid-column: span 12; }

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.admin-thumb {
  width: 88px;
  height: 88px;
  background: #111;
}

@media (max-width: 860px) {
  .admin-menu-btn { display: inline-flex; }
  .admin-shell { grid-template-columns: 1fr; }
  .admin-nav {
    display: none;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  body.admin-nav-open .admin-nav { display: block; }
  .admin-item { grid-template-columns: 1fr; }
  .admin-main { padding: 22px 16px 48px; }
  .admin-brand span { display: none; }
  .admin-field.span-2,
  .admin-field.span-3,
  .admin-field.span-4,
  .admin-field.span-6,
  .admin-field.span-8 {
    grid-column: span 12;
  }
}