/* SuperCompat – hicain.io – main stylesheet */

:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface2: #21262d;
  --border: #30363d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --green: #3fb950;
  --red: #f85149;
  --yellow: #d29922;
  --cuda-color: #76b900;
  --rocm-color: #e8343a;
  --ofed-color: #0072c6;
  --ompi-color: #f0a500;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

/* ── Navbar ──────────────────────────────────────────────────────────────── */
.navbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}
.brand .domain { color: var(--accent); font-weight: 400; font-size: 0.9rem; }

.nav-links {
  list-style: none;
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 0.3rem 0.5rem;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover { color: var(--text); background: var(--surface2); text-decoration: none; }

.btn-check {
  background: var(--accent) !important;
  color: var(--bg) !important;
  font-weight: 600;
  padding: 0.35rem 0.9rem !important;
}
.btn-check:hover { background: var(--accent-hover) !important; }

.btn-api {
  border: 1px solid var(--border) !important;
  color: var(--text-muted) !important;
  padding: 0.3rem 0.8rem !important;
}

/* ── Container ───────────────────────────────────────────────────────────── */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  flex: 1;
}

/* ── Hero ─────────────────────────────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: 3.5rem 1rem 2.5rem;
}
.hero h1 {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #58a6ff, #79c0ff, #d29922);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub { color: var(--text-muted); font-size: 1.1rem; margin-bottom: 1.8rem; }

.cta-btn {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.75rem 2rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  text-decoration: none;
}
.cta-btn:hover { background: var(--accent-hover); transform: translateY(-1px); text-decoration: none; color: var(--bg); }

/* ── Stack Cards ─────────────────────────────────────────────────────────── */
.stack-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-decoration: none;
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  text-decoration: none;
}
.card-icon { font-size: 2rem; }
.card h2 { font-size: 1.3rem; color: var(--text); }
.card p { color: var(--text-muted); font-size: 0.92rem; flex: 1; }
.card-link { font-size: 0.9rem; font-weight: 600; }

.card-cuda { border-top: 3px solid var(--cuda-color); }
.card-cuda .card-link { color: var(--cuda-color); }
.card-rocm { border-top: 3px solid var(--rocm-color); }
.card-rocm .card-link { color: var(--rocm-color); }
.card-ofed { border-top: 3px solid var(--ofed-color); }
.card-ofed .card-link { color: var(--ofed-color); }
.card-ompi { border-top: 3px solid var(--ompi-color); }
.card-ompi .card-link { color: var(--ompi-color); }

/* ── API Callout ──────────────────────────────────────────────────────────── */
.api-callout {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  margin: 2rem 0;
}
.api-callout h2 { margin-bottom: 0.75rem; }
.api-callout p { color: var(--text-muted); margin-bottom: 1rem; }

.code-block pre, .code-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  font-family: var(--mono);
  font-size: 0.83rem;
  color: var(--text);
  overflow-x: auto;
  margin: 0.75rem 0;
  line-height: 1.8;
}

.btn-api-large {
  display: inline-block;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 0.5rem 1.25rem;
  border-radius: 6px;
  font-size: 0.95rem;
  margin-top: 0.5rem;
  transition: background 0.15s;
}
.btn-api-large:hover { background: rgba(88,166,255,0.1); text-decoration: none; }

/* ── Common Issues ────────────────────────────────────────────────────────── */
.common-issues {
  margin: 2rem 0;
}
.common-issues h2 { margin-bottom: 1rem; }
.issue-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 0.75rem;
}
.issue-list li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 0.92rem;
}

/* ── Page Header ─────────────────────────────────────────────────────────── */
.page-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.page-header h1 { font-size: 1.9rem; margin-bottom: 0.5rem; }
.page-header p { color: var(--text-muted); }
.api-badge {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--mono);
}

/* ── Filter Bar ──────────────────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.filter-input {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
  width: 320px;
  max-width: 100%;
  outline: none;
  transition: border-color 0.15s;
}
.filter-input:focus { border-color: var(--accent); }
.eol-toggle { font-size: 0.9rem; color: var(--text-muted); display: flex; align-items: center; gap: 0.4rem; cursor: pointer; }

/* ── Table ───────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
.compat-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.compat-table th {
  background: var(--surface2);
  color: var(--text-muted);
  font-weight: 600;
  padding: 0.65rem 0.9rem;
  text-align: left;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
.compat-table td {
  padding: 0.6rem 0.9rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.compat-table tr:hover td { background: var(--surface2); }

.row-eol td { opacity: 0.65; }
.row-hidden { display: none !important; }

.mono { font-family: var(--mono); font-size: 0.82rem; }
.os-list { list-style: none; padding: 0; }
.os-list li { font-size: 0.82rem; color: var(--text-muted); line-height: 1.7; }
.arch { color: var(--text-muted); font-size: 0.78rem; }
.notes { font-size: 0.82rem; color: var(--text-muted); max-width: 240px; }
.small { font-size: 0.78rem; }

/* ── Badges ──────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge-active { background: rgba(63,185,80,0.15); color: var(--green); border: 1px solid rgba(63,185,80,0.4); }
.badge-eol { background: rgba(248,81,73,0.15); color: var(--red); border: 1px solid rgba(248,81,73,0.4); }

/* ── Check Form ──────────────────────────────────────────────────────────── */
.check-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 2rem;
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-size: 0.88rem; color: var(--text-muted); font-weight: 600; }
.form-group input,
.form-group select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-family: var(--mono);
  outline: none;
  transition: border-color 0.15s;
}
.form-group input:focus,
.form-group select:focus { border-color: var(--accent); }
.form-group select option { background: var(--surface2); }

/* ── GPU Stack toggle ───────────────────────────────────────────────────── */
.gpu-toggle {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.35rem;
}
.gpu-opt {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 1rem;
  border: 1px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.gpu-opt:has(input:checked) {
  border-color: var(--accent);
  color: var(--text);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}
.gpu-opt input[type=radio] { accent-color: var(--accent); }

/* ── Check Result ────────────────────────────────────────────────────────── */
.check-result { margin-top: 1rem; }

.result-banner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-radius: 10px;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}
.result-icon { font-size: 1.5rem; }
.result-ok { background: rgba(63,185,80,0.12); border: 1px solid rgba(63,185,80,0.4); }
.result-fail { background: rgba(248,81,73,0.12); border: 1px solid rgba(248,81,73,0.4); }

.result-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}
.result-section h3 { font-size: 1rem; margin-bottom: 0.75rem; }
.result-section ul { list-style: none; }
.result-section li {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}
.result-section li:last-child { border-bottom: none; }

.issues h3 { color: var(--red); }
.warnings h3 { color: var(--yellow); }

details summary {
  cursor: pointer;
  padding: 0.5rem 0;
  font-size: 0.95rem;
  color: var(--accent);
  list-style: none;
}
details[open] summary { margin-bottom: 0.5rem; }
.json-dump {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  overflow-x: auto;
}

.api-equivalent {
  margin-top: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
}
.api-equivalent h4 { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.5rem; }

/* ── Footer ──────────────────────────────────────────────────────────────── */
footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 1.25rem 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}
footer a { color: var(--accent); }
.footer-api { margin-top: 0.4rem; font-size: 0.8rem; }

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .hero h1 { font-size: 1.6rem; }
  .navbar { padding: 0.75rem 1rem; }
  .container { padding: 1.25rem 1rem; }
  .issue-list { grid-template-columns: 1fr; }
}

/* ── Auth pages ──────────────────────────────────────────────────────────── */
.auth-wrap {
  display: flex;
  justify-content: center;
  padding: 2.5rem 1rem;
}
.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.25rem 2.5rem;
  width: 100%;
  max-width: 440px;
}
.auth-card h1 { font-size: 1.6rem; margin-bottom: 0.4rem; }
.auth-sub { color: var(--text-muted); font-size: 0.92rem; margin-bottom: 1.5rem; }
.auth-form { display: flex; flex-direction: column; gap: 1rem; }
.auth-footer { margin-top: 1.25rem; text-align: center; color: var(--text-muted); font-size: 0.88rem; }

/* ── Alerts ──────────────────────────────────────────────────────────────── */
.alert {
  border-radius: 8px;
  padding: 0.85rem 1rem;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.alert-error {
  background: rgba(248,81,73,0.12);
  border: 1px solid rgba(248,81,73,0.4);
  color: #f85149;
}
.alert-success {
  background: rgba(63,185,80,0.12);
  border: 1px solid rgba(63,185,80,0.4);
  color: var(--green);
}

/* ── API Key reveal ──────────────────────────────────────────────────────── */
.key-reveal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem 2rem;
  margin-bottom: 1.5rem;
}
.key-reveal h2 { margin-bottom: 0.5rem; }
.key-display {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-top: 0.75rem;
}
.key-display code {
  font-family: var(--mono);
  font-size: 0.88rem;
  color: var(--green);
  flex: 1;
  word-break: break-all;
}
.btn-copy {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.35rem 0.9rem;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.82rem;
  white-space: nowrap;
  transition: background 0.15s;
}
.btn-copy:hover { background: var(--accent); color: var(--bg); }

/* ── Key list / dashboard ────────────────────────────────────────────────── */
.key-list, .rate-info {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem 2rem;
  margin-bottom: 1.5rem;
}
.key-list h2, .rate-info h2 { margin-bottom: 1rem; }

.text-muted { color: var(--text-muted); }
code { font-family: var(--mono); font-size: 0.85em; }

/* ── Key action buttons ───────────────────────────────────────────────────── */
.action-btn {
  font-size: .78rem;
  font-weight: 600;
  padding: .3rem .7rem;
  border-radius: 5px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.action-regen {
  background: rgba(88,166,255,.1);
  color: var(--accent);
  border-color: rgba(88,166,255,.3);
}
.action-regen:hover { background: rgba(88,166,255,.25); }
.action-revoke {
  background: rgba(248,81,73,.1);
  color: var(--red);
  border-color: rgba(248,81,73,.3);
}
.action-revoke:hover { background: rgba(248,81,73,.25); }

.badge-warn {
  background: rgba(210,153,34,.15);
  color: var(--yellow);
  border: 1px solid rgba(210,153,34,.4);
}

/* ── Hardware Platform cards ──────────────────────────────────────────────── */

.card-hw { border-color: rgba(100,200,160,.4); }
.card-hw:hover { border-color: rgba(100,200,160,.8); }
.card-hw .card-icon { color: #64c8a0; }

.vendor-section { margin: 2.5rem 0; }

.vendor-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .75rem 1.5rem;
  border-radius: 8px 8px 0 0;
  margin-bottom: 1.5rem;
}
.vendor-nvidia { background: linear-gradient(90deg, rgba(118,185,0,.15), transparent); border-left: 4px solid #76b900; }
.vendor-amd    { background: linear-gradient(90deg, rgba(237,28,36,.15), transparent); border-left: 4px solid #ed1c24; }
.vendor-header h2 { margin: 0; font-size: 1.4rem; }
.vendor-tag { color: var(--muted); font-size: .8rem; margin-left: auto; }
.vendor-logo { height: 28px; filter: grayscale(1) brightness(1.5); }

.hw-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 1.25rem;
}

.hw-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.hw-card:hover { border-color: var(--accent); box-shadow: 0 0 0 1px rgba(88,166,255,.2); }

.hw-next-gen { border-style: dashed; opacity: .9; }
.hw-eol { opacity: .75; }

.hw-card-header {
  background: rgba(255,255,255,.03);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.25rem .75rem;
}
.hw-title-row { display: flex; align-items: flex-start; gap: .5rem; margin-bottom: .2rem; }
.hw-title-row h3 { margin: 0; font-size: 1.1rem; flex: 1; }
.hw-badges { display: flex; gap: .3rem; flex-wrap: wrap; }
.hw-generation { color: var(--muted); font-size: .82rem; margin: .2rem 0 .4rem; }
.hw-arch { font-size: .78rem; color: var(--accent); background: rgba(88,166,255,.08); padding: .2rem .5rem; border-radius: 4px; }

.badge-next-gen { background: rgba(100,200,160,.1); color: #64c8a0; border: 1px solid rgba(100,200,160,.4); }
.badge-eol      { background: rgba(248,81,73,.1);   color: var(--red); border: 1px solid rgba(248,81,73,.4); }

.hw-card-body { padding: .75rem 1.25rem 1rem; }
.hw-section { margin-bottom: 1rem; }
.hw-section h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 .4rem; }

.hw-products { list-style: none; padding: 0; margin: 0; font-size: .88rem; }
.hw-products li { padding: .2rem 0; border-bottom: 1px solid rgba(255,255,255,.04); }
.hw-products li:last-child { border-bottom: none; }
.hw-product-meta { color: var(--muted); font-size: .78rem; margin-left: .4rem; }

.hw-req-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.hw-req-table td { padding: .25rem .4rem; }
.hw-req-table td:first-child { color: var(--muted); width: 35%; }
.req-label { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }

.hw-interconnect { list-style: none; padding: 0; margin: 0 0 .3rem; font-size: .88rem; }
.hw-interconnect li::before { content: "⬡ "; color: var(--accent); font-size: .7rem; }
.hw-nvlink { font-size: .85rem; margin: .3rem 0 0; }

.hw-notes { font-size: .84rem; color: var(--muted); background: rgba(255,255,255,.03); padding: .6rem .8rem; border-radius: 6px; border-left: 3px solid var(--border); }
.hw-notes h4 { color: var(--text); margin-bottom: .3rem; }
.hw-notes p { margin: 0; line-height: 1.5; }

.api-hint { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 1.25rem 1.5rem; margin-top: 2rem; }
.api-hint h3 { margin: 0 0 .5rem; }
.api-hint pre { background: rgba(0,0,0,.3); border-radius: 6px; padding: .75rem 1rem; overflow-x: auto; }