/* ── GPU Mesh — Unified Design System ── */

/* === Variables === */
:root {
  --bg: #0d1117; --bg-card: #161b22; --border: #30363d;
  --text: #c9d1d6; --text-dim: #8b949e; --text-bright: #f0f6fc;
  --accent: #3fb950; --accent-dim: rgba(63,185,80,0.12);
  --blue: #58a6ff; --blue-dim: rgba(88,166,255,0.12);
  --orange: #d2991d; --red: #f85149;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', monospace;
  --radius: 8px; --radius-sm: 6px;
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  background: var(--bg); color: var(--text);
  font-size: 16px; line-height: 1.6; scroll-behavior: smooth;
}

body {
  background: var(--bg); color: var(--text);
  font-family: var(--font); min-height: 100vh; line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  display: flex; flex-direction: column;
}

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

code, pre, kbd, samp { font-family: var(--font-mono); }

/* === Nav / Topbar === */
nav.topbar {
  background: var(--bg-card); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
  padding: 0 1.5rem; display: flex; align-items: center; height: 52px; flex-shrink: 0;
}
nav.topbar .logo {
  font-family: var(--font); font-size: 0.95rem; color: var(--accent); font-weight: 600;
  width: 140px; flex-shrink: 0; text-decoration: none;
}
nav.topbar .nav-links {
  display: flex; gap: 1.5rem; list-style: none; justify-content: center; flex: 1;
}
nav.topbar .nav-links a {
  font-family: var(--font); font-size: 0.85rem; color: var(--text-dim); transition: color 0.15s;
}
nav.topbar .nav-links a:hover,
nav.topbar .nav-links a.active { color: var(--text); text-decoration: none; }
nav.topbar .nav-right {
  display: flex; align-items: center; gap: 0.4rem; flex-shrink: 0; white-space: nowrap;
}
nav.topbar .nav-user {
  font-family: var(--font-mono); font-size: 0.78rem; margin-right: 0.5rem;
}
nav.topbar .nav-logout {
  font-size: 0.72rem; padding: 0.25rem 0.75rem; text-decoration: none;
}

/* === Main Layout === */
main {
  flex: 1; max-width: 720px; width: 100%; margin: 0 auto; padding: 32px 24px 80px;
}

/* === Footer === */
footer {
  text-align: center; padding: 24px; border-top: 1px solid var(--border);
  font-size: 12px; color: var(--text-dim); flex-shrink: 0;
}
footer a { color: var(--text-dim); text-decoration: none; }
footer a:hover { color: var(--text); }
footer .footer-row { display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap; }

/* === Hero === */
.hero { padding: 48px 0 32px; text-align: center; }
.hero-logo {
  font-family: var(--font-mono); font-size: 13px; line-height: 1.4;
  color: var(--accent); white-space: pre; margin-bottom: 24px;
}
.hero-command {
  font-family: var(--font-mono); font-size: 13px; color: var(--text); margin-bottom: 16px;
}
.hero h1 {
  font-family: var(--font); font-size: 28px; font-weight: 600;
  color: var(--text-bright); margin-bottom: 8px; letter-spacing: -0.02em;
}
.hero p {
  font-size: 15px; color: var(--text-dim); max-width: 440px; margin: 0 auto 24px; line-height: 1.6;
}
.hero .blink { animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* Hero CTA Buttons */
.hero-cta { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 4px; }
.btn--hero {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font); font-size: 14px; font-weight: 500;
  padding: 10px 24px; border-radius: var(--radius-sm); cursor: pointer;
  border: none; text-decoration: none; transition: all 0.15s;
  background: var(--accent); color: #fff;
}
.btn--hero:hover { opacity: 0.9; text-decoration: none; }
.btn--hero .arrow { transition: transform 0.15s; }
.btn--hero:hover .arrow { transform: translateX(3px); }
.btn--hero.btn--secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn--hero.btn--secondary:hover { background: #21262d; }

/* === Cards === */
.consumer-card, .card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-bottom: 12px;
}
.card-accent { border-color: var(--accent); }
.card-warning { border-color: var(--orange); }
.card-error { border-color: var(--red); }
.card-header {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px;
}
.card-title {
  font-size: 13px; font-weight: 600; color: var(--text);
  text-transform: uppercase; letter-spacing: 0.04em;
}

/* === API Key strip === */
.key-strip {
  display: flex; align-items: center; gap: 12px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 10px 14px;
  font-family: var(--font-mono); font-size: 13px; margin-bottom: 16px;
}
.key-label { color: var(--text-dim); font-size: 12px; white-space: nowrap; }
.key-value { color: var(--blue); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.key-copy {
  font-family: var(--font); font-size: 12px; color: var(--text-dim);
  background: var(--border); border: none; padding: 4px 10px;
  border-radius: 4px; cursor: pointer; white-space: nowrap;
}
.key-copy:hover { color: var(--text); }
.key-warning { font-size: 11px; color: var(--orange); margin-bottom: 16px; padding: 0 2px; }

/* === Key list cards === */
.key-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px; margin-bottom: 8px;
}
.key-card-row { display: flex; justify-content: space-between; align-items: center; }
.key-card-prefix { font-family: var(--font-mono); font-size: 13px; color: var(--blue); margin-bottom: 2px; }
.key-card-meta { font-size: 11px; color: var(--text-dim); }

/* === Tabs === */
.consumer-tabs, .tabs {
  display: flex; gap: 0; border-bottom: 1px solid var(--border); margin-bottom: 20px;
}
.consumer-tab, .tab-btn {
  font-family: var(--font); font-size: 13px; font-weight: 500;
  color: var(--text-dim); padding: 10px 16px; cursor: pointer;
  border-bottom: 2px solid transparent; background: none;
  border-top: none; border-left: none; border-right: none;
  margin-bottom: -1px; transition: all 0.1s;
}
.consumer-tab:hover, .tab-btn:hover { color: var(--text); }
.consumer-tab.active, .tab-btn.active { color: var(--text-bright); border-bottom-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* === Tool tabs (horizontal pill style) === */
.tool-tabs { display: flex; gap: 6px; margin-bottom: 12px; flex-wrap: wrap; }
.tool-tab-btn {
  font-family: var(--font); font-size: 12px; font-weight: 500;
  padding: 5px 12px; border-radius: 14px; cursor: pointer;
  background: transparent; border: 1px solid var(--border);
  color: var(--text-dim); transition: all 0.1s;
}
.tool-tab-btn:hover { color: var(--text); border-color: #484f58; }
.tool-tab-btn.active { background: var(--accent-dim); color: var(--accent); border-color: var(--accent); }

/* === Model cards === */
.model-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; margin-bottom: 8px;
  transition: border-color 0.1s;
}
.model-card:hover { border-color: #484f58; }
.model-card-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; cursor: pointer;
}
.model-card-head:hover { background: #21262d; }
.model-name {
  font-family: var(--font-mono); font-size: 14px; font-weight: 500; color: var(--text);
}
.model-badge {
  font-size: 11px; font-weight: 500; color: var(--accent);
  background: var(--accent-dim); padding: 2px 8px; border-radius: 10px;
}
.model-meta { font-size: 12px; color: var(--text-dim); display: flex; gap: 16px; }
.model-configs { display: none; border-top: 1px solid var(--border); padding: 0; }
.model-configs.open { display: block; }

/* === Tool row === */
.tool-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px; border-bottom: 1px solid var(--border); cursor: pointer;
}
.tool-row:last-child { border-bottom: none; }
.tool-row:hover { background: #21262d; }
.tool-row-name {
  font-family: var(--font-mono); font-size: 12px; color: var(--text);
  display: flex; align-items: center; gap: 8px;
}
.tool-row-name .chevron { color: var(--text-dim); font-size: 10px; transition: transform 0.15s; }
.tool-row.open .tool-row-name .chevron { transform: rotate(90deg); }
.tool-snippet { display: none; padding: 0 16px 12px 28px; }
.tool-row.open + .tool-snippet { display: block; }

/* === Code blocks === */
pre.code-block {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 0;
  overflow-x: auto; color: var(--text); margin: 8px 0 16px 0; position: relative;
}
pre.code-block code { font-size: 12px; display: block; padding: 10px 40px 10px 12px; }
.code-copy-btn, .copy-btn {
  position: absolute; top: 8px; right: 8px; z-index: 1;
  font-family: var(--font); font-size: 11px; color: var(--text-dim);
  background: var(--bg-card); border: 1px solid var(--border);
  padding: 3px 8px; border-radius: 4px; cursor: pointer;
}
.code-copy-btn:hover, .copy-btn:hover { color: var(--text); background: #21262d; }
.copy-btn.copied { color: var(--accent); border-color: var(--accent); }
pre.code-block.flash-copied { animation: copy-flash 0.6s ease-out; }
@keyframes copy-flash { 0% { border-color: var(--accent); } 100% { border-color: var(--border); } }

/* === OMP inline field === */
.omp-field { display: flex; align-items: center; gap: 8px; margin-top: 4px; }
.omp-field-code {
  flex: 1; background: var(--bg); border: 1px solid var(--border);
  border-radius: 4px; padding: 6px 10px;
  font-family: var(--font-mono); font-size: 12px; color: var(--blue);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* === Stats === */
.stat-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px;
}
.stat-box, .stat-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px;
}
.stat-num, .stat-card .stat-value {
  font-family: var(--font-mono); font-size: 22px; font-weight: 600;
  color: var(--text-bright); margin-bottom: 4px;
}
.stat-label, .stat-card .stat-label { font-size: 12px; color: var(--text-dim); }

/* === Steps === */
.steps {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px;
}
.step {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; text-align: center;
}
.step-num { font-family: var(--font-mono); font-size: 20px; font-weight: 600; color: var(--accent); margin-bottom: 6px; }
.step-title { font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.step-desc { font-size: 12px; color: var(--text-dim); line-height: 1.5; }
.step-arrow { color: var(--text-dim); font-size: 14px; }

/* === Community banner === */
.community-banner {
  background: #21262d; border-radius: var(--radius-sm);
  padding: 10px 14px; margin-bottom: 16px;
  font-size: 13px; color: var(--text-dim); text-align: center; line-height: 1.5;
}
.community-banner strong { color: var(--text); }

/* === Buttons === */
.btn-consumer, .btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font); font-size: 13px; font-weight: 500;
  padding: 6px 16px; border-radius: var(--radius-sm); cursor: pointer;
  border: none; text-decoration: none; transition: all 0.1s; line-height: 1.4;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { opacity: 0.9; text-decoration: none; }
.btn-ghost { background: transparent; color: var(--text-dim); }
.btn-ghost:hover { color: var(--text); background: #21262d; }
.btn-danger-sm {
  font-size: 12px; padding: 5px 14px; line-height: 1.4;
  color: #fff; background: var(--red); border: 1px solid var(--red);
  border-radius: var(--radius-sm); cursor: pointer;
  font-family: var(--font); font-weight: 500; transition: opacity 0.1s;
}
.btn-danger-sm:hover { opacity: 0.85; }
.btn-ghost-sm {
  font-size: 12px; padding: 5px 12px; line-height: 1.4;
  color: var(--text-dim); background: transparent;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  cursor: pointer; font-family: var(--font); font-weight: 500; transition: all 0.1s;
}
.btn-ghost-sm:hover { color: var(--text); border-color: #484f58; background: #21262d; }
.btn-sm { font-size: 12px; padding: 5px 12px; }
.btn--sm { font-size: 0.72rem; padding: 0.25rem 0.75rem; }

/* === Empty state === */
.empty-state { text-align: center; padding: 40px 0; color: var(--text-dim); font-size: 13px; }
.empty-state strong { color: var(--text); }

/* === Status banner === */
.status-banner {
  text-align: center; padding: 12px; border-radius: var(--radius);
  font-family: var(--font-mono); font-size: 14px; font-weight: 600;
  margin-bottom: 16px; background: rgba(0,200,100,0.06); border: 1px solid var(--accent);
}
.status-banner.status-operational { background: rgba(0,200,100,0.08); }
.status-banner.warn { background: rgba(210,153,29,0.08); border-color: var(--orange); }
.status-banner.error { background: rgba(248,81,73,0.08); border-color: var(--red); }

/* === Error page === */
.error-page { text-align: center; padding: 48px 0; }
.error-command {
  font-family: var(--font-mono); font-size: 13px; color: var(--text-dim); margin-bottom: 8px;
}
.error-output {
  font-family: var(--font-mono); font-size: 18px; font-weight: 600; color: var(--red); margin-bottom: 12px;
}
.error-msg { font-size: 14px; color: var(--text-dim); margin-bottom: 20px; }
.error-link { font-size: 14px; }
.error-link a { color: var(--blue); }

/* === Login page === */
.login-page { display: flex; flex-direction: column; align-items: center; padding: 48px 0; }
.login-card { width: 100%; max-width: 400px; text-align: center; }
.login-ascii {
  font-family: var(--font-mono); font-size: 11px; line-height: 1.3;
  color: var(--accent); white-space: pre; margin-bottom: 16px;
}
.login-tagline { font-size: 15px; color: var(--text-dim); margin-bottom: 20px; }
.login-btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font); font-size: 14px; font-weight: 500;
  padding: 10px 24px; border-radius: var(--radius-sm); cursor: pointer;
  background: var(--accent); color: #fff; border: none; text-decoration: none;
  transition: opacity 0.15s;
}
.login-btn:hover { opacity: 0.9; text-decoration: none; }
.login-note { font-size: 12px; color: var(--text-dim); margin-top: 12px; line-height: 1.6; }
.login-info { padding: 16px 20px; }

/* === Auth callback === */
.callback-status { text-align: center; padding: 64px 0; }
.callback-dot {
  font-family: var(--font-mono); font-size: 14px; color: var(--accent);
  animation: pulse-dot 1s ease-in-out infinite;
}
@keyframes pulse-dot { 0%, 100% { opacity: 0.4; } 50% { opacity: 1; } }
.callback-log {
  font-family: var(--font-mono); font-size: 12px; color: var(--text-dim);
  line-height: 1.8; margin-top: 16px;
}
.callback-log .blink { animation: blink 1s step-end infinite; }

/* === Modal overlay === */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 1000;
  display: flex; align-items: flex-start; justify-content: center;
}

/* === Progress === */
progress {
  width: 100%; height: 6px; border-radius: 3px; overflow: hidden;
  border: none; background: #0d1117;
}
progress::-webkit-progress-bar { background: #0d1117; }
progress::-webkit-progress-value { background: var(--accent); border-radius: 3px; }
progress::-moz-progress-bar { background: var(--accent); border-radius: 3px; }
.progress-label {
  display: flex; justify-content: space-between; font-size: 11px;
  color: var(--text-dim); margin-top: 4px; font-family: var(--font-mono);
}

/* === Tables === */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); }
th { font-family: var(--font-mono); font-weight: 600; color: var(--text-dim); font-size: 12px; }
tr:hover td { background: rgba(255,255,255,0.02); }
tr.current-user td { background: var(--accent-dim); }
tr.current-user td:first-child::before { content: '▶ '; color: var(--accent); font-size: 10px; }

/* === Forms === */
input[type="text"], input[type="search"] {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 10px 14px;
  font-family: var(--font); font-size: 13px; color: var(--text);
  width: 100%; outline: none; transition: border-color 0.15s;
}
input[type="text"]:focus, input[type="search"]:focus { border-color: var(--accent); }

/* === Accordion === */
.accordion {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; margin-bottom: 8px;
}
.accordion-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; cursor: pointer; font-family: var(--font-mono);
  font-size: 13px; color: var(--text); transition: background 0.1s;
}
.accordion-header:hover { background: rgba(255,255,255,0.03); }
.accordion-header .caret { color: var(--text-dim); font-size: 10px; transition: transform 0.15s; }
.accordion.open .accordion-header .caret { transform: rotate(90deg); }
.accordion-body { display: none; padding: 0 16px 12px; }
.accordion.open .accordion-body { display: block; }

/* === Badge card === */
.badge-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-bottom: 12px; text-align: center;
}
.badge-tier { font-size: 32px; margin-bottom: 4px; }
.badge-name {
  font-family: var(--font-mono); font-size: 14px; font-weight: 600;
  color: var(--text); margin-bottom: 4px; text-transform: uppercase;
}
.badge-detail { font-size: 12px; color: var(--text-dim); margin-bottom: 12px; }

/* === Utility === */
.text-dim { color: var(--text-dim); }
.text-accent { color: var(--accent); }
.text-warning { color: var(--orange); }
.text-error { color: var(--red); }
.mono { font-family: var(--font-mono); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.text-center { text-align: center; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.inline-mono { font-family: var(--font-mono); font-size: 0.85em; }



/* === OS tabs === */
.os-tabs { margin-top: 12px; }
.os-tab-input { display: none; }
.os-tab-label { display: inline-block; font-size: 11px; padding: 4px 10px; margin-right: 4px; margin-bottom: 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); cursor: pointer; color: var(--text-dim); user-select: none; }
.os-tab-input:checked + .os-tab-label { color: var(--text); border-color: var(--accent); background: rgba(88,166,255,0.08); }
.os-tab-content { display: none; }
#os-linux-amd64:checked ~ #content-linux-amd64,
#os-linux-arm64:checked ~ #content-linux-arm64,
#os-macos:checked ~ #content-macos,
#os-docker:checked ~ #content-docker { display: block; }
/* /use variant — suffixed radio IDs */
#os-linux-amd64-use:checked ~ #content-linux-amd64-use,
#os-linux-arm64-use:checked ~ #content-linux-arm64-use,
#os-macos-use:checked ~ #content-macos-use,
#os-docker-use:checked ~ #content-docker-use { display: block; }
#os-linux-amd64-share:checked ~ #content-linux-amd64-share,
#os-linux-arm64-share:checked ~ #content-linux-arm64-share,
#os-macos-share:checked ~ #content-macos-share,
#os-windows-share:checked ~ #content-windows-share { display: block; }
/* === Responsive === */
@media (max-width: 768px) {
  main { padding: 24px 16px; }
  .stat-grid, .steps { grid-template-columns: 1fr; }
  .hero h1 { font-size: 22px; }
  .hero .ascii-logo { font-size: 0.55rem; overflow-x: auto; display: block; -webkit-text-size-adjust: none; }
  .step-arrow { transform: rotate(90deg); }
  nav.topbar { flex-direction: column; height: auto; padding: 0.75rem 1rem; gap: 0.5rem; }
  nav.topbar .nav-links { gap: 1rem; }
}

@media (max-width: 600px) {
  main { padding: 24px 16px; }
  .stat-grid, .steps { grid-template-columns: 1fr; }
  .hero h1 { font-size: 22px; }
}

.spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.code-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  overflow-x: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  line-height: 1.6;
}

.code-block code {
  background: none;
  padding: 0;
  color: var(--text);
}