/* Gold Knight Tech storefront - shared design tokens + components. */

:root {
  --bg: #faf7f0;
  --bg-elevated: #ffffff;
  --ink: #211d16;
  --ink-soft: #5a5347;
  --ink-faint: #948c7c;
  --border: #e6e0d4;
  --accent: #a9761f;
  --accent-ink: #6e4c12;
  --accent-soft: #f3e6cb;
  --accent-contrast: #ffffff;
  --link: #2a5f6f;
  --good-bg: #e8f3e6;
  --good-ink: #2f6d33;
  --error: #b3261e;
  --shadow: 0 2px 14px rgba(33, 29, 22, 0.07);
  --font-display: "Fraunces", Georgia, "Iowan Old Style", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --radius: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16151a;
    --bg-elevated: #201f26;
    --ink: #ece7db;
    --ink-soft: #b7b0a0;
    --ink-faint: #7d7767;
    --border: #34323a;
    --accent: #d9a84e;
    --accent-ink: #f0cf8e;
    --accent-soft: #3a3020;
    --accent-contrast: #201a0c;
    --link: #7fc4d8;
    --good-bg: #1d3320;
    --good-ink: #7fce85;
    --error: #e0776f;
    --shadow: 0 2px 18px rgba(0, 0, 0, 0.35);
  }
}
:root[data-theme="dark"] {
  --bg: #16151a;
  --bg-elevated: #201f26;
  --ink: #ece7db;
  --ink-soft: #b7b0a0;
  --ink-faint: #7d7767;
  --border: #34323a;
  --accent: #d9a84e;
  --accent-ink: #f0cf8e;
  --accent-soft: #3a3020;
  --accent-contrast: #201a0c;
  --link: #7fc4d8;
  --good-bg: #1d3320;
  --good-ink: #7fce85;
  --error: #e0776f;
  --shadow: 0 2px 18px rgba(0, 0, 0, 0.35);
}
:root[data-theme="light"] {
  --bg: #faf7f0;
  --bg-elevated: #ffffff;
  --ink: #211d16;
  --ink-soft: #5a5347;
  --ink-faint: #948c7c;
  --border: #e6e0d4;
  --accent: #a9761f;
  --accent-ink: #6e4c12;
  --accent-soft: #f3e6cb;
  --accent-contrast: #ffffff;
  --link: #2a5f6f;
  --good-bg: #e8f3e6;
  --good-ink: #2f6d33;
  --error: #b3261e;
  --shadow: 0 2px 14px rgba(33, 29, 22, 0.07);
}

* { box-sizing: border-box; }
html, body { background: var(--bg); color: var(--ink); }
body {
  font-family: var(--font-body);
  max-width: 960px;
  margin: 0 auto;
  padding: 28px 20px 80px;
  line-height: 1.5;
  transition: background 0.2s, color 0.2s;
}
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; text-wrap: balance; color: var(--ink); }
h1 { font-size: 1.9rem; letter-spacing: -0.01em; }
h2 { font-size: 1.3rem; margin-top: 0; }
h3 { font-size: 1.05rem; margin: 0 0 6px; }
a { color: var(--link); }
p { color: var(--ink-soft); }

.topbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 8px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand .mark { font-size: 1.4rem; color: var(--accent); }
.brand h1 { font-size: 1.15rem; margin: 0; letter-spacing: 0.01em; }

.hero {
  margin: 20px 0 40px;
  padding: 44px 36px;
  border-radius: 20px;
  background:
    radial-gradient(circle at 85% -10%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 60%),
    var(--bg-elevated);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.hero .eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-ink);
  background: var(--accent-soft);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.hero h1 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); margin: 0 0 12px; max-width: 20ch; }
.hero p.lede { font-size: 1.02rem; max-width: 56ch; margin: 0 0 22px; }
.stat-row { display: flex; gap: 28px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat .n { font-family: var(--font-display); font-size: 1.4rem; font-weight: 600; color: var(--ink); font-variant-numeric: tabular-nums; }
.stat .l { font-size: 0.76rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.04em; }

.section-label {
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  margin: 0 0 14px;
}

.theme-toggle {
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--ink);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.82rem;
  cursor: pointer;
}
.theme-toggle:hover { border-color: var(--accent); }

.panel { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); }

#account-bar { display: flex; justify-content: space-between; align-items: center; font-size: 0.88rem; margin-bottom: 20px; }
#account-bar button, .btn {
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--ink);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 0.88rem;
  cursor: pointer;
}
.btn.primary { background: var(--accent); color: var(--accent-contrast); border-color: var(--accent); font-weight: 600; }
.btn.primary:hover { filter: brightness(1.05); }
.btn:disabled { opacity: 0.5; cursor: default; }

#auth-forms { display: none; margin-bottom: 20px; }
#auth-forms.show { display: block; }
.authtabs { display: flex; gap: 8px; margin-bottom: 10px; }
.authtabs button { flex: 1; }
.authtabs button.active { font-weight: 700; background: var(--accent-soft); border-color: var(--accent); }

label { display: block; margin-top: 12px; font-weight: 600; font-size: 0.84rem; color: var(--ink-soft); }
select, input, textarea {
  width: 100%;
  padding: 10px;
  font-size: 0.95rem;
  margin-top: 4px;
  box-sizing: border-box;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
}
textarea { resize: vertical; min-height: 90px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

#catalog { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; margin-top: 8px; }
.card {
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  border-radius: var(--radius);
  padding: 18px;
  cursor: pointer;
  transition: box-shadow 0.15s, border-color 0.15s, transform 0.15s;
}
.card:hover { box-shadow: var(--shadow); border-color: var(--accent); transform: translateY(-2px); }
.card .icon-badge {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent-ink);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
}
.card .icon-badge svg { width: 21px; height: 21px; }
.card h3 { font-family: var(--font-body); font-weight: 700; }
.card p { margin: 0; font-size: 0.86rem; }
.price-tag { display: inline-block; margin-top: 14px; font-size: 0.76rem; padding: 3px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-ink); font-weight: 600; }
.price-tag.free { background: var(--good-bg); color: var(--good-ink); }

.detail-head { display: flex; align-items: center; gap: 14px; }
.detail-head .icon-badge {
  width: 52px; height: 52px; flex-shrink: 0;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent-ink);
  display: flex; align-items: center; justify-content: center;
}
.detail-head .icon-badge svg { width: 27px; height: 27px; }
.detail-head h2 { margin: 0; }

a.back { display: inline-block; margin-bottom: 16px; cursor: pointer; font-size: 0.9rem; text-decoration: none; }
#detail { display: none; }
#detail .tagline { margin-top: -6px; }
#detail .howto { background: var(--accent-soft); color: var(--ink); padding: 16px; border-radius: 8px; font-size: 0.9rem; margin-top: 16px; }

.buy-section { margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--border); }
.buy-section h4 { font-size: 0.88rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 6px; }
#price { font-size: 1.05rem; font-weight: 700; margin-top: 8px; }
#result { margin-top: 16px; padding: 14px 16px; border-radius: 8px; background: var(--good-bg); color: var(--good-ink); display: none; }
#result code { font-size: 1.1rem; font-weight: 700; user-select: all; color: var(--good-ink); }
#error { color: var(--error); margin-top: 10px; display: none; font-size: 0.88rem; }
.hint { color: var(--ink-faint); font-size: 0.78rem; margin-top: 4px; }

#purchases, #contact { margin-top: 44px; }
table { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 0.85rem; }
td, th { padding: 8px 6px; border-bottom: 1px solid var(--border); text-align: left; }
th { color: var(--ink-faint); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.03em; }

#contact-status { margin-top: 10px; font-size: 0.88rem; display: none; }
#contact-status.ok { color: var(--good-ink); display: block; }
#contact-status.err { color: var(--error); display: block; }

footer { margin-top: 60px; color: var(--ink-faint); font-size: 0.8rem; text-align: center; }