:root {
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --border: #e2e8f0;
  --accent: #0f172a;
  --accent-2: #2563eb;
  --success: #15803d;
  --danger: #b91c1c;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: Inter, Arial, sans-serif; background: var(--bg); color: var(--text); }
a { color: inherit; }

.container {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.hero {
  padding: 54px 0 24px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
}

.hero-card {
  padding: 32px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: #e0e7ff;
  color: #3730a3;
  font-size: 13px;
  font-weight: 600;
}

h1 {
  margin: 18px 0 12px;
  font-size: clamp(34px, 6vw, 54px);
  line-height: 1.1;
}

.lead {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.price-box {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.price-item {
  padding: 18px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 16px;
}

.price-item .label {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 8px;
}

.price-item .value {
  font-size: 24px;
  font-weight: 700;
}

.form-card {
  padding: 28px;
}

.form-card h2 {
  margin-top: 0;
  margin-bottom: 8px;
}

.form-card p {
  margin-top: 0;
  color: var(--muted);
}

label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin: 14px 0 8px;
}

input, textarea, select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  background: #fff;
  color: var(--text);
  font-size: 15px;
}

textarea {
  min-height: 126px;
  resize: vertical;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

button {
  appearance: none;
  border: 0;
  border-radius: 12px;
  padding: 13px 18px;
  background: var(--accent-2);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

button.secondary {
  background: #e2e8f0;
  color: #0f172a;
}

button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.form-message {
  min-height: 22px;
  margin-top: 12px;
  font-size: 14px;
}

.form-message.success { color: var(--success); }
.form-message.error { color: var(--danger); }

.footer {
  padding: 28px 0 48px;
  color: var(--muted);
  font-size: 14px;
}

.admin-shell {
  padding: 32px 0 56px;
}

.admin-toolbar {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.admin-toolbar .left,
.admin-toolbar .right {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.table-wrap {
  overflow: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  min-width: 920px;
}

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

.table th {
  background: #f8fafc;
  position: sticky;
  top: 0;
}

.note {
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 860px) {
  .hero-grid,
  .grid-2,
  .price-box {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 32px;
  }

  .hero-card,
  .form-card {
    padding: 22px;
  }
}