/* dynamiccloud.info — site styles
 *
 * Skeleton CSS — Claude Designer extends this. Visual language matches
 * the existing LightPane palette + type system used across
 * /demos/ and /_pane-tests/. Don't dump custom utilities here without
 * checking the existing patterns first.
 *
 * Sections in order:
 *   1. Tokens (CSS custom properties)
 *   2. Reset + base typography
 *   3. Site chrome (header, nav, footer)
 *   4. Home page (hero, lab grid)
 *   5. Lab page template (two-column, sticky nav, result panel)
 *   6. Dashboard page (multi-pane grid)
 *   7. About + free-tier-guide (long-form)
 *   8. Tier-aware components (locked-pane treatment, upsell pills)
 */

/* ──────────────────────────────────────────────────────────────────
   1. Tokens
   ────────────────────────────────────────────────────────────────── */
:root {
    /* Palette — matches /_pane-tests/_shared/nav.js + sd-embed.css */
    --dc-bg:               #f6f3ea;     /* warm cream */
    --dc-bg-card:          #ffffff;
    --dc-bg-sunk:          #efe9dd;
    --dc-ink:              #2b2a1e;     /* warm near-black */
    --dc-ink-dim:          #6b6452;
    --dc-ink-faint:        #9c9583;
    --dc-border:           #e7e1cf;
    --dc-amber-50:         #fef9e7;
    --dc-amber-100:        #fef3c7;
    --dc-amber-300:        #fcd34d;
    --dc-amber-700:        #f5c518;
    --dc-amber-900:        #92400e;
    --dc-status-ok:        #065f46;
    --dc-status-warning:   #b45309;
    --dc-status-critical:  #991b1b;

    /* Type */
    --dc-font-sans:    "Plus Jakarta Sans", ui-sans-serif, system-ui, -apple-system, sans-serif;
    --dc-font-serif:   "Instrument Serif", Georgia, serif;
    --dc-font-mono:    "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    /* Layout */
    --dc-container-max: 1200px;
    --dc-gutter:        24px;

    /* Radius + shadow */
    --dc-radius-sm: 6px;
    --dc-radius-md: 10px;
    --dc-radius-lg: 16px;
    --dc-shadow-sm: 0 1px 2px rgba(43, 42, 30, 0.05);
    --dc-shadow-md: 0 6px 16px rgba(43, 42, 30, 0.08);
}

/* ──────────────────────────────────────────────────────────────────
   2. Reset + base typography
   ────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: var(--dc-font-sans);
    font-size: 16px;
    line-height: 1.55;
    color: var(--dc-ink);
    background: var(--dc-bg);
}

h1, h2, h3, h4 {
    font-family: var(--dc-font-serif);
    font-weight: 400;
    color: var(--dc-ink);
    letter-spacing: -0.01em;
    margin: 0 0 0.5em;
}

h1 { font-size: 56px; line-height: 1.05; }
h2 { font-size: 36px; line-height: 1.15; }
h3 { font-size: 22px; line-height: 1.25; font-family: var(--dc-font-sans); font-weight: 600; }
h4 { font-size: 16px; font-family: var(--dc-font-sans); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--dc-ink-dim); }

em { font-style: italic; font-family: var(--dc-font-serif); }

p { margin: 0 0 1em; max-width: 60ch; }

a {
    color: var(--dc-ink);
    text-decoration: underline;
    text-decoration-color: var(--dc-amber-300);
    text-underline-offset: 3px;
}
a:hover { text-decoration-color: var(--dc-amber-700); }

code, kbd, pre {
    font-family: var(--dc-font-mono);
    font-size: 13px;
}

code {
    background: var(--dc-bg-sunk);
    padding: 1px 6px;
    border-radius: 4px;
}

pre {
    background: var(--dc-ink);
    color: var(--dc-bg);
    padding: 16px 18px;
    border-radius: var(--dc-radius-md);
    overflow-x: auto;
    line-height: 1.5;
}
pre code { background: transparent; padding: 0; }

/* ──────────────────────────────────────────────────────────────────
   3. Site chrome
   ────────────────────────────────────────────────────────────────── */
.dc-container {
    width: 100%;
    max-width: var(--dc-container-max);
    margin: 0 auto;
    padding: 0 var(--dc-gutter);
}

.dc-header {
    background: var(--dc-bg);
    border-bottom: 1px solid var(--dc-border);
    padding: 18px 0;
    position: sticky; top: 0; z-index: 50;
    backdrop-filter: blur(6px);
    background: rgba(246, 243, 234, 0.92);
}

.dc-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.dc-logo {
    font-family: var(--dc-font-serif);
    font-size: 22px;
    text-decoration: none;
    color: var(--dc-ink);
    letter-spacing: -0.01em;
}
.dc-logo strong { font-family: var(--dc-font-sans); font-weight: 700; }
.dc-logo em     { color: var(--dc-amber-900); }

.dc-nav { display: flex; gap: 22px; align-items: center; }
.dc-nav a {
    text-decoration: none;
    color: var(--dc-ink-dim);
    font-size: 14px;
    font-weight: 500;
}
.dc-nav a:hover, .dc-nav a.is-current { color: var(--dc-ink); }

.dc-cta {
    background: var(--dc-amber-700);
    color: var(--dc-ink);
    padding: 8px 16px;
    border-radius: var(--dc-radius-sm);
    font-size: 14px; font-weight: 600;
    text-decoration: none;
    border: 1px solid var(--dc-amber-700);
}
.dc-cta:hover { background: var(--dc-amber-300); border-color: var(--dc-amber-300); text-decoration: none; }

.dc-cta--outline {
    background: transparent;
    color: var(--dc-ink);
    border-color: var(--dc-border);
}
.dc-cta--outline:hover { background: var(--dc-bg-card); }

.dc-footer {
    margin-top: 80px;
    padding: 32px 0 48px;
    border-top: 1px solid var(--dc-border);
    color: var(--dc-ink-dim);
    font-size: 13px;
}
.dc-footer-inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}
.dc-footer-links { display: flex; gap: 18px; }
.dc-footer-links a { color: var(--dc-ink-dim); text-decoration: none; }
.dc-footer-links a:hover { color: var(--dc-ink); }

/* ──────────────────────────────────────────────────────────────────
   4. Home page (hero, lab grid)
   ────────────────────────────────────────────────────────────────── */
.dc-hero {
    padding: 80px 0 64px;
    max-width: 920px;
    margin: 0 auto;
    text-align: center;
}
.dc-hero .eyebrow {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 12px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.08em;
    color: var(--dc-amber-900);
    background: var(--dc-amber-50);
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 24px;
}
.dc-hero .eyebrow .dot {
    width: 6px; height: 6px; border-radius: 50%; background: var(--dc-amber-700);
}
.dc-hero h1 { margin-bottom: 24px; }
.dc-hero .lede {
    font-size: 19px;
    line-height: 1.55;
    color: var(--dc-ink-dim);
    max-width: 680px;
    margin: 0 auto 36px;
}
.dc-hero .ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* Lab grid — 3 columns on desktop, 2 on tablet, 1 on mobile. */
.dc-section { padding: 56px 0; }
.dc-section h2 { margin-bottom: 8px; }
.dc-section .section-lede { color: var(--dc-ink-dim); margin-bottom: 36px; max-width: 60ch; }

.dc-lab-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
@media (max-width: 960px) { .dc-lab-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .dc-lab-grid { grid-template-columns: 1fr; } }

.dc-lab-card {
    background: var(--dc-bg-card);
    border: 1px solid var(--dc-border);
    border-radius: var(--dc-radius-md);
    padding: 22px 22px 18px;
    text-decoration: none;
    color: var(--dc-ink);
    display: flex; flex-direction: column;
    transition: border-color 120ms ease, box-shadow 120ms ease, transform 120ms ease;
    min-height: 200px;
    position: relative;
}
.dc-lab-card:hover {
    border-color: var(--dc-amber-300);
    box-shadow: var(--dc-shadow-md);
    transform: translateY(-1px);
    text-decoration: none;
}
.dc-lab-card-num {
    position: absolute;
    top: 18px; right: 22px;
    font-family: var(--dc-font-mono);
    font-size: 11px; font-weight: 600;
    color: var(--dc-ink-faint);
}
.dc-lab-card-title {
    font-family: var(--dc-font-sans);
    font-weight: 600; font-size: 18px;
    margin-bottom: 8px;
    color: var(--dc-ink);
}
.dc-lab-card-desc {
    font-size: 14px;
    line-height: 1.5;
    color: var(--dc-ink-dim);
    flex: 1;
    margin-bottom: 14px;
}
.dc-lab-card-tag {
    display: inline-flex; align-items: center;
    background: var(--dc-bg-sunk);
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px; font-weight: 500;
    color: var(--dc-ink-dim);
    align-self: flex-start;
}

.dc-lab-card-cta {
    margin-top: auto;
    color: var(--dc-amber-900);
    font-size: 13px; font-weight: 600;
}

/* ──────────────────────────────────────────────────────────────────
   5. Lab page template
   ────────────────────────────────────────────────────────────────── */
.dc-lab-page {
    padding: 32px 0 48px;
}

.dc-lab-back {
    display: inline-flex; align-items: center; gap: 6px;
    color: var(--dc-ink-dim); font-size: 13px;
    text-decoration: none; margin-bottom: 20px;
}
.dc-lab-back:hover { color: var(--dc-ink); }

.dc-lab-head {
    margin-bottom: 36px;
}
.dc-lab-head h1 { font-size: 44px; margin-bottom: 16px; }
.dc-lab-head .lede { font-size: 17px; color: var(--dc-ink-dim); max-width: 65ch; }

.dc-lab-grid-2col {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 32px;
}
@media (max-width: 960px) { .dc-lab-grid-2col { grid-template-columns: 1fr; } }

.dc-lab-action {
    background: var(--dc-bg-card);
    border: 1px solid var(--dc-border);
    border-radius: var(--dc-radius-md);
    padding: 24px;
}
.dc-lab-action h3 { margin-bottom: 8px; font-size: 18px; }
.dc-lab-action p  { font-size: 14px; color: var(--dc-ink-dim); }

.dc-lab-button {
    background: var(--dc-amber-700);
    color: var(--dc-ink);
    border: 1px solid var(--dc-amber-700);
    border-radius: var(--dc-radius-sm);
    padding: 12px 22px;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 80ms ease;
}
.dc-lab-button:hover  { background: var(--dc-amber-300); }
.dc-lab-button:active { transform: translateY(1px); }
.dc-lab-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: var(--dc-bg-sunk);
    border-color: var(--dc-border);
}

.dc-lab-result {
    margin-top: 18px;
    padding: 14px 16px;
    background: var(--dc-bg-sunk);
    border-radius: var(--dc-radius-sm);
    font-family: var(--dc-font-mono);
    font-size: 12px;
    line-height: 1.55;
    min-height: 60px;
    color: var(--dc-ink);
    white-space: pre-wrap;
    word-break: break-word;
}
.dc-lab-result--ok    { border-left: 3px solid var(--dc-status-ok); }
.dc-lab-result--err   { border-left: 3px solid var(--dc-status-critical); }
.dc-lab-result--idle  { color: var(--dc-ink-faint); }

.dc-lab-pane-area {
    background: var(--dc-bg-card);
    border: 1px solid var(--dc-border);
    border-radius: var(--dc-radius-md);
    padding: 14px;
}
.dc-lab-pane-area > * + * { margin-top: 14px; }

/* "What just happened?" explainer */
.dc-lab-explain {
    margin-top: 48px;
    padding: 28px;
    background: var(--dc-amber-50);
    border-radius: var(--dc-radius-md);
}
.dc-lab-explain h3 { margin-bottom: 12px; }
.dc-lab-explain dl { display: grid; grid-template-columns: 160px 1fr; gap: 8px 18px; font-size: 14px; }
.dc-lab-explain dt { color: var(--dc-ink-dim); }
.dc-lab-explain dd { margin: 0; }

/* ──────────────────────────────────────────────────────────────────
   6. Dashboard page
   ────────────────────────────────────────────────────────────────── */
.dc-dashboard-banner {
    background: var(--dc-amber-50);
    border: 1px solid var(--dc-amber-300);
    border-radius: var(--dc-radius-sm);
    padding: 12px 16px;
    margin-bottom: 24px;
    font-size: 13px;
    color: var(--dc-ink);
}
.dc-dashboard-banner strong { font-weight: 600; }

.dc-dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    gap: 22px;
}
.dc-dashboard-tile {
    background: var(--dc-bg-card);
    border: 1px solid var(--dc-border);
    border-radius: var(--dc-radius-md);
    padding: 14px;
}
.dc-dashboard-upsell {
    background: linear-gradient(180deg, var(--dc-amber-50), var(--dc-bg-card));
    border: 1px dashed var(--dc-amber-300);
    border-radius: var(--dc-radius-md);
    padding: 28px;
    display: flex; flex-direction: column; justify-content: center;
    text-align: center;
}
.dc-dashboard-upsell h3 { margin-bottom: 8px; }
.dc-dashboard-upsell p  { color: var(--dc-ink-dim); margin: 0 auto 16px; max-width: 36ch; }

/* ──────────────────────────────────────────────────────────────────
   7. About + free-tier-guide (long-form)
   ────────────────────────────────────────────────────────────────── */
.dc-prose {
    max-width: 720px;
    margin: 0 auto;
    padding: 32px 0;
}
.dc-prose h2 { margin-top: 1.4em; }
.dc-prose h3 { margin-top: 1.2em; }
.dc-prose ul, .dc-prose ol { padding-left: 1.5em; }
.dc-prose li { margin-bottom: 0.4em; }

.dc-signup {
    margin: 40px 0;
    padding: 32px;
    background: var(--dc-bg-card);
    border: 1px solid var(--dc-border);
    border-radius: var(--dc-radius-md);
}
.dc-signup h3 { margin-bottom: 8px; }
.dc-signup form { display: flex; gap: 8px; margin-top: 18px; }
.dc-signup input[type="email"] {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--dc-border);
    border-radius: var(--dc-radius-sm);
    font-family: inherit;
    font-size: 14px;
}
.dc-signup input[type="email"]:focus {
    outline: none;
    border-color: var(--dc-amber-700);
}

/* ──────────────────────────────────────────────────────────────────
   8. Tier-aware components
   ────────────────────────────────────────────────────────────────── */
.dc-tier-pill {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 11px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.04em;
    margin-left: 8px;
}
.dc-tier-pill--explorer { background: var(--dc-bg-sunk); color: var(--dc-ink-dim); }
.dc-tier-pill--team     { background: var(--dc-amber-100); color: var(--dc-amber-900); }
.dc-tier-pill--business { background: #dbeafe; color: #1e40af; }

.dc-locked-pane {
    position: relative;
    border: 1px dashed var(--dc-border);
    border-radius: var(--dc-radius-md);
    padding: 24px;
    background: var(--dc-bg-card);
    text-align: center;
}
.dc-locked-pane h4 { margin-bottom: 6px; color: var(--dc-ink); }
.dc-locked-pane p  { font-size: 13px; color: var(--dc-ink-dim); margin: 0 auto 14px; max-width: 36ch; }
.dc-locked-pane img {
    max-width: 100%;
    border-radius: var(--dc-radius-sm);
    border: 1px solid var(--dc-border);
    opacity: 0.85;
    margin-bottom: 14px;
}