:root {
  --bg: #0f1115;
  --bg-alt: #171a21;
  --card: #1c2029;
  --border: #2a2f3a;
  --text: #eef1f6;
  --muted: #9aa3b2;
  --accent: #e11d2e;
  --accent-dark: #b3141f;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.brand-mark {
  background: var(--accent);
  color: #fff;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 14px;
}

.brand-text { font-size: 16px; }

.nav a {
  margin-left: 22px;
  color: var(--muted);
  font-weight: 500;
}

.nav a:hover { color: var(--text); }

.hero {
  background: linear-gradient(135deg, #1a1d24, #0f1115 60%);
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  padding: 90px 20px;
  max-width: 720px;
}

.hero h1 {
  font-size: 40px;
  margin: 0 0 16px;
}

.hero p {
  color: var(--muted);
  font-size: 18px;
  margin: 0 0 28px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 15px;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover { background: var(--accent-dark); }

.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn-outline:hover { border-color: var(--accent); }

.section { padding: 60px 20px; }

.section h1, .section h2 {
  margin-top: 0;
  margin-bottom: 24px;
}

.narrow { max-width: 560px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 22px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
}

.card img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  display: block;
  background: #000;
}

.card-body { padding: 16px; }

.card-body h3 { margin: 0 0 6px; font-size: 18px; }

.muted { color: var(--muted); font-size: 14px; margin: 0 0 10px; }

.price { font-weight: 700; color: var(--accent); font-size: 18px; margin: 0; }

.price-lg { font-size: 26px; margin-bottom: 20px; }

.center { text-align: center; margin-top: 32px; }

.about p { color: var(--muted); max-width: 720px; }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 560px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  color: var(--muted);
}

input, textarea, select {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}

.alert-success {
  background: #123a1f;
  border: 1px solid #1e5e33;
  color: #8fe3a8;
  padding: 12px 16px;
  border-radius: 8px;
}

.alert-error {
  background: #3a1212;
  border: 1px solid #5e1e1e;
  color: #e38f8f;
  padding: 12px 16px;
  border-radius: 8px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.detail-grid img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.specs {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 20px;
}

.back-link {
  display: inline-block;
  margin-bottom: 20px;
  color: var(--muted);
}

.back-link:hover { color: var(--text); }

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 36px 0 20px;
  margin-top: 40px;
  color: var(--muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 20px;
}

.footer-links { display: flex; gap: 18px; }

.copy { font-size: 13px; }

.admin-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 40px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.admin-table th, .admin-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: 14px;
}

.admin-table th { color: var(--muted); font-weight: 600; }

.admin-actions { display: flex; gap: 12px; align-items: center; }

.link-danger {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 14px;
  padding: 0;
}

@media (max-width: 720px) {
  .hero h1 { font-size: 30px; }
  .form-row, .detail-grid, .specs { grid-template-columns: 1fr; }
  .header-inner { flex-direction: column; gap: 10px; }
}