:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --text: #e7ecf3;
  --muted: #8b9aab;
  --accent: #3d8bfd;
  --accent-hover: #5ca0ff;
  --border: #2d3a4d;
  --danger: #f87171;
  --success: #4ade80;
  font-family: "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  color: var(--accent-hover);
}

.container {
  width: min(920px, 92vw);
  margin: 0 auto;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.logo {
  font-weight: 700;
  font-size: clamp(0.85rem, 2.5vw, 1.05rem);
  color: var(--text);
  line-height: 1.25;
  max-width: min(520px, 55vw);
}
.logo:hover {
  color: var(--accent);
}

.category-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.25rem;
}

.chip {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.9rem;
}
.chip:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.chip-active {
  color: var(--text);
  border-color: var(--accent);
  background: rgba(61, 139, 253, 0.12);
}

.product-head {
  margin-bottom: 0.35rem;
}

.category-badge {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.user-label {
  color: var(--muted);
  font-size: 0.9rem;
}

.inline-form {
  display: inline;
  margin: 0;
}

.link-like {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font: inherit;
  padding: 0;
}
.link-like:hover {
  color: var(--accent-hover);
}

.messages {
  margin-top: 1rem;
}

.flash {
  padding: 0.6rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
}
.flash-success {
  border-color: #166534;
  color: var(--success);
}
.flash-error {
  border-color: #991b1b;
  color: var(--danger);
}
form .error {
  color: var(--danger);
  font-size: 0.9rem;
  margin: 0 0 0.75rem;
}

.main {
  padding: 2rem 0 3rem;
}

h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.lead {
  color: var(--muted);
  margin: 0 0 1.5rem;
}

.product-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
}

.product-title {
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.product-desc {
  margin: 0 0 0.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.product-meta {
  font-size: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.75rem;
}

.product-actions {
  margin-left: auto;
}

.action-delete {
  font-size: 0.85rem;
  color: var(--danger);
}
.action-delete:hover {
  color: #fca5a5;
}

.price {
  font-weight: 600;
  color: var(--accent);
}

.muted {
  color: var(--muted);
  font-size: 0.9rem;
}

.empty {
  color: var(--muted);
  padding: 2rem;
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: 12px;
}

.pagination {
  margin-top: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: center;
}

.form-card {
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

.field {
  margin-bottom: 1rem;
}
.field label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font: inherit;
}
.field select {
  cursor: pointer;
}

.field textarea {
  min-height: 100px;
  resize: vertical;
}

.field .error {
  display: block;
  color: var(--danger);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.field .help {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

.btn {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  border-radius: 8px;
  border: none;
  font: inherit;
  cursor: pointer;
}

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

.btn.secondary {
  margin-left: 0.5rem;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}
.btn.secondary:hover {
  color: var(--text);
  border-color: var(--muted);
}

.btn.danger {
  background: #b91c1c;
  color: #fff;
}
.btn.danger:hover {
  background: #dc2626;
}

.site-footer {
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  margin-top: auto;
}