/* ==========================================================
   RPCHIPS — стили
   Палитра: тёмный «терминал» + бирюзовый акцент + янтарный акцент
   Шрифты: Space Grotesk (заголовки), Inter (текст), JetBrains Mono (цены/коды)
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  --bg:            #0F1115;
  --surface:       #171B22;
  --surface-2:     #1D222C;
  --border:        #2A303C;
  --text:          #E7E9EE;
  --text-muted:    #8B93A3;
  --accent:        #56E1C9;
  --accent-dim:    #2E5F58;
  --amber:         #F5A623;
  --success:       #34D399;
  --error:         #F87171;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius: 10px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(circle at 15% 0%, rgba(86,225,201,0.06), transparent 40%),
    radial-gradient(circle at 85% 20%, rgba(245,166,35,0.05), transparent 35%);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ---------------- Header ---------------- */

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(15,17,21,0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 16px 24px;
  flex-wrap: wrap;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.logo-mark {
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 700;
}

.main-nav {
  display: flex;
  gap: 20px;
  flex: 1;
}

.main-nav a {
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.15s;
}
.main-nav a:hover { color: var(--text); }

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

.balance-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 8px 6px 14px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  transition: border-color 0.15s;
}
.balance-chip:hover { border-color: var(--accent-dim); }
.balance-label { color: var(--text-muted); text-transform: uppercase; font-size: 0.65rem; letter-spacing: 0.05em; }
.balance-amount { color: var(--amber); font-weight: 700; }
.balance-plus {
  background: var(--accent);
  color: #0A1210;
  width: 20px; height: 20px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}

.user-chip {
  color: var(--text-muted);
  font-size: 0.85rem;
  display: none;
}
@media (min-width: 640px) { .user-chip { display: inline; } }

/* ---------------- Buttons ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: var(--radius);
  padding: 12px 22px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.1s ease, filter 0.15s ease, border-color 0.15s ease;
}
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--accent);
  color: #06110F;
}
.btn-primary:hover { filter: brightness(1.08); }

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent-dim); }

.btn-sm { padding: 8px 16px; font-size: 0.85rem; }

/* ---------------- Hero ---------------- */

.hero {
  padding: 64px 0 32px;
}
.eyebrow {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 12px;
}
.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  max-width: 16ch;
}
.accent { color: var(--accent); }
.hero-sub { color: var(--text-muted); max-width: 50ch; }

/* ---------------- Toolbar / filters ---------------- */

.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.toolbar input[type="text"],
.toolbar select {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 0.9rem;
}
.toolbar input[type="text"] { flex: 1; min-width: 200px; }

/* ---------------- Product grid / cards ---------------- */

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 20px;
  padding-bottom: 48px;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.product-card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-2px);
}

.product-thumb {
  aspect-ratio: 4 / 3;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px dashed var(--border);
}
.product-thumb img { width: 60%; height: 60%; object-fit: contain; }

.product-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.product-cat {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.product-title {
  font-size: 1rem;
  margin: 0;
  flex: 1;
}
.product-footer {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 8px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
}
.product-price {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text);
}
.product-serial {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.empty-state {
  color: var(--text-muted);
  padding: 40px 0;
}

/* ---------------- Product detail ---------------- */

.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 40px 0;
}
@media (max-width: 720px) {
  .product-detail { grid-template-columns: 1fr; }
}

.product-detail-media {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.product-detail-media img { width: 70%; }

.product-detail h1 { font-size: 1.8rem; margin-top: 6px; }
.product-detail-desc { color: var(--text-muted); }

.product-detail-meta {
  display: flex;
  gap: 16px;
  margin: 16px 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.product-stock { color: var(--success); }

.price-box {
  background: var(--surface);
  border: 1px dashed var(--accent-dim);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}
.price-box-amount {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--amber);
}
.price-box-hint { font-size: 0.82rem; color: var(--text-muted); margin: 0; }

.price-range {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--amber);
}

.price-yield {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 6px 0 0;
}
.price-yield strong { color: var(--success); }

/* ---------------- Forms ---------------- */

.auth-box {
  max-width: 420px;
  margin: 48px auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.form input,
.form select,
.form textarea {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 11px 14px;
  font-family: var(--font-body);
  font-size: 0.95rem;
}
.form input:focus,
.form select:focus,
.form textarea:focus {
  border-color: var(--accent);
}

.auth-switch { color: var(--text-muted); font-size: 0.88rem; margin-top: 16px; }
.auth-switch a { color: var(--accent); }

.preset-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.preset-btn {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 999px;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  cursor: pointer;
}
.preset-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ---------------- Flash messages ---------------- */

.flash {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.88rem;
  margin-bottom: 16px;
  border: 1px solid transparent;
}
.flash-success { background: rgba(52,211,153,0.1); border-color: var(--success); color: var(--success); }
.flash-error   { background: rgba(248,113,113,0.1); border-color: var(--error); color: var(--error); }

/* ---------------- Profile ---------------- */

.profile-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 20px;
  padding: 40px 0 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.section-title {
  font-size: 1.1rem;
  margin: 32px 0 16px;
}

.purchase-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}
.purchase-row {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
}
.purchase-row img { width: 44px; height: 44px; object-fit: contain; background: var(--surface-2); border-radius: 6px; padding: 6px; }
.purchase-info { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.delivered-code {
  font-family: var(--font-mono);
  background: var(--surface-2);
  border: 1px dashed var(--accent-dim);
  color: var(--accent);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.78rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 220px;
}

.tx-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  margin-bottom: 32px;
}
.tx-table th, .tx-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.tx-table th { color: var(--text-muted); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }
.tx-plus { color: var(--success); font-family: var(--font-mono); }
.tx-minus { color: var(--error); font-family: var(--font-mono); }

/* ---------------- Footer ---------------- */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  margin-top: 48px;
}
.footer-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.82rem;
}