/* SC-ience Labs — shared dark app-detail theme
 * Pairs with the structural mt-* classes from meshtrail.css, but flips the
 * palette dark and drives everything from a small set of accent variables so
 * each product page (Neon AI, Meshology, Parlor) stays coherent with the studio.
 *
 * Usage:  <body class="mt-page app-dark neon-page">  ... then set the four
 * accent vars (--mt-forest, --mt-forest-dark, --mt-rust, --mt-mustard),
 * --mt-cream (text that sits on the bright accent) and --app-glow per page.
 *
 * Loaded AFTER meshtrail.css, so these single-class rules win on equal
 * specificity.
 */

body.app-dark {
    /* surfaces */
    --mt-bg: #0a0a17;
    --mt-bg-elev: #11111f;
    --mt-paper: #14131f;
    --mt-paper-2: #1a1830;
    /* text */
    --mt-ink: #eef0fb;
    --mt-ink-soft: #c3c7e6;
    --mt-ink-faded: #898fc0;
    --mt-line: #262444;
    --mt-line-faint: rgba(255, 255, 255, 0.06);
    /* accents — overridden per page (defaults = studio cyan) */
    --mt-forest: #00d4ff;
    --mt-forest-dark: #0098b4;
    --mt-rust: #ff5ea8;
    --mt-mustard: #9d6ee9;
    --mt-cream: #06060f;          /* dark text on bright accent buttons */
    --app-glow: rgba(0, 212, 255, 0.22);

    background: var(--mt-bg);
    background-image:
        radial-gradient(ellipse 1100px 700px at 80% -5%, var(--app-glow), transparent 60%),
        radial-gradient(ellipse 800px 600px at 5% 100%, rgba(255, 255, 255, 0.03), transparent 60%),
        linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
    background-size: auto, auto, 60px 60px, 60px 60px;
    background-position: top right, bottom left, center, center;
    background-attachment: fixed, fixed, fixed, fixed;
}

/* headings — sharp grotesk by default (Parlor overrides back to serif) */
body.app-dark h1,
body.app-dark h2,
body.app-dark h3,
body.app-dark h4 {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    color: var(--mt-ink);
    letter-spacing: -0.02em;
}

/* === NAV === */
body.app-dark .nav {
    background: rgba(8, 8, 20, 0.82);
    border-bottom-color: var(--mt-line);
    -webkit-backdrop-filter: saturate(160%) blur(16px);
    backdrop-filter: saturate(160%) blur(16px);
}
body.app-dark .brand { color: var(--mt-ink); }
body.app-dark .brand .dash { color: var(--mt-forest); }
body.app-dark .nav-links a { color: var(--mt-ink-soft); }
body.app-dark .nav-links a:hover,
body.app-dark .nav-links a.active { color: var(--mt-forest); }
body.app-dark .nav-links a:not(.nav-cta)::after { background: var(--mt-forest); }
body.app-dark .nav-cta {
    background: var(--mt-forest) !important;
    color: var(--mt-cream) !important;
}
body.app-dark .nav-cta:hover { background: var(--mt-forest-dark) !important; color: var(--mt-cream) !important; }

/* === HERO === */
body.app-dark .mt-hero::before {
    background: radial-gradient(circle, var(--app-glow), transparent 65%);
    opacity: 0.9;
    width: 520px; height: 520px;
}
body.app-dark .mt-hero-copy h1 .underline {
    background-image: linear-gradient(transparent 68%, var(--app-glow) 68%);
}
body.app-dark .mt-hero-meta { border-color: var(--mt-line); }
body.app-dark .mt-hero-meta strong { color: var(--mt-forest); }

/* === BUTTONS === */
body.app-dark .mt-btn-primary {
    background: var(--mt-forest);
    color: var(--mt-cream) !important;
    box-shadow: 0 0 0 1px var(--mt-forest), 0 8px 30px var(--app-glow);
}
body.app-dark .mt-btn-primary:hover {
    background: var(--mt-forest-dark);
    transform: translateY(-2px);
    box-shadow: 0 0 0 1px var(--mt-forest), 0 12px 40px var(--app-glow);
    color: var(--mt-cream) !important;
}
body.app-dark .mt-btn-primary:active { transform: translateY(0); }
body.app-dark .mt-btn-ghost {
    border-color: var(--mt-line);
    color: var(--mt-ink) !important;
}
body.app-dark .mt-btn-ghost:hover {
    background: transparent;
    border-color: var(--mt-forest);
    color: var(--mt-forest) !important;
}

/* status pill (coming soon / in dev) */
.app-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 13px 22px;
    border-radius: 10px;
    background: var(--mt-paper-2);
    border: 1px solid var(--mt-line);
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--mt-ink-soft);
}
.app-pill .dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--mt-forest);
    box-shadow: 0 0 10px var(--mt-forest);
    animation: pulse 2.2s ease-in-out infinite;
}

/* === DEVICE FRAMES (phone mockups, gallery, showcase) === */
body.app-dark .mt-hero-phone,
body.app-dark .mt-shot,
body.app-dark .mt-showcase-screen {
    box-shadow:
        0 0 0 2px #05060c,
        0 0 0 9px #1a1930,
        0 24px 60px rgba(0, 0, 0, 0.6),
        0 0 70px var(--app-glow);
    border: none;
}
body.app-dark .mt-shot { border: 1px solid var(--mt-line); }

/* === SECTIONS === */
body.app-dark .mt-section.bg-cream {
    background: var(--mt-bg-elev);
    border-color: var(--mt-line);
}
body.app-dark .mt-section-head p { color: var(--mt-ink-soft); }

/* feature cards */
body.app-dark .mt-feature {
    background: var(--mt-paper);
    border-color: var(--mt-line);
}
body.app-dark .mt-feature:hover {
    transform: translateY(-3px);
    border-color: var(--mt-forest);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.5), 0 0 26px var(--app-glow);
}
body.app-dark .mt-feature .num { color: var(--mt-forest); opacity: 0.5; }
body.app-dark .mt-feature h3 { color: var(--mt-ink); }
body.app-dark .mt-feature p { color: var(--mt-ink-soft); }

/* numbers strip */
body.app-dark .mt-numbers { background: var(--mt-paper); border-color: var(--mt-line); }
body.app-dark .mt-num-cell { border-color: var(--mt-line); }
body.app-dark .mt-num-cell:hover { background: var(--mt-paper-2); }
body.app-dark .mt-num-cell .val {
    font-family: 'Space Grotesk', sans-serif;
    color: var(--mt-forest);
    font-weight: 600;
}
body.app-dark .mt-num-cell .val .small { color: var(--mt-rust); }

/* layers / grid legend */
body.app-dark .mt-layers { background: var(--mt-paper); border-color: var(--mt-line); }
body.app-dark .mt-layer { border-color: var(--mt-line); }
body.app-dark .mt-layer .name { color: var(--mt-forest); }
body.app-dark .mt-layer h4 { color: var(--mt-ink); font-family: 'Space Grotesk', sans-serif; }
body.app-dark .mt-layer p { color: var(--mt-ink-faded); }

/* use-case cards */
body.app-dark .mt-usecase {
    background: var(--mt-paper);
    border-color: var(--mt-line);
}
body.app-dark .mt-usecase::before {
    background: radial-gradient(circle, var(--app-glow), transparent 70%);
}
body.app-dark .mt-usecase:hover {
    border-color: var(--mt-forest);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.5), 0 0 26px var(--app-glow);
}
body.app-dark .mt-usecase .uc-icon {
    background: var(--mt-forest);
    color: var(--mt-cream);
}
body.app-dark .mt-usecase h4 { color: var(--mt-ink); font-family: 'Space Grotesk', sans-serif; }
body.app-dark .mt-usecase p { color: var(--mt-ink-soft); }
body.app-dark .mt-usecase .uc-tags { color: var(--mt-forest); }
body.app-dark .mt-usecase .uc-tags span { background: var(--mt-bg); border-color: var(--mt-line); }

/* comparison table */
body.app-dark .mt-compare { background: var(--mt-paper); border-color: var(--mt-line); }
body.app-dark .mt-compare th, body.app-dark .mt-compare td { border-color: var(--mt-line); }
body.app-dark .mt-compare th { background: var(--mt-bg-elev); color: var(--mt-ink-faded); }
body.app-dark .mt-compare th.mt-col { background: var(--mt-forest); color: var(--mt-cream); }
body.app-dark .mt-compare td:first-child { background: var(--mt-bg-elev); color: var(--mt-ink); }
body.app-dark .mt-compare td.yes { color: var(--mt-forest); }
body.app-dark .mt-compare td.no { color: var(--mt-ink-faded); }
body.app-dark .mt-compare td.partial { color: var(--mt-mustard); }
body.app-dark .mt-compare tr:hover td:not(:first-child) { background: var(--app-glow); }

/* architecture diagram */
body.app-dark .mt-arch {
    background: var(--mt-paper);
    border-color: var(--mt-line);
}
body.app-dark .mt-arch::before {
    background:
        radial-gradient(circle at 20% 30%, var(--app-glow), transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.04), transparent 50%);
}
body.app-dark .mt-arch-cell {
    background: var(--mt-paper-2);
    border-color: var(--mt-line);
}
body.app-dark .mt-arch-cell:hover { border-color: var(--mt-forest); }
body.app-dark .mt-arch-cell .tier { color: var(--mt-forest); }
body.app-dark .mt-arch-cell h4 { color: var(--mt-ink); font-family: 'Space Grotesk', sans-serif; }
body.app-dark .mt-arch-cell p { color: var(--mt-ink-soft); }

/* showcase tabs */
body.app-dark .mt-showcase-tab:hover { background: var(--mt-paper); border-color: var(--mt-line); }
body.app-dark .mt-showcase-tab.active {
    background: var(--mt-paper);
    border-color: var(--mt-forest);
    box-shadow: 0 6px 20px var(--app-glow);
}
body.app-dark .mt-showcase-tab.active::before { background: var(--mt-forest); }
body.app-dark .mt-showcase-tab .icon { background: var(--mt-bg); border-color: var(--mt-line); color: var(--mt-forest); }
body.app-dark .mt-showcase-tab.active .icon { background: var(--mt-forest); color: var(--mt-cream); border-color: var(--mt-forest); }
body.app-dark .mt-showcase-tab .copy h3 { color: var(--mt-ink); }
body.app-dark .mt-showcase-tab .copy p { color: var(--mt-ink-soft); }

/* mesh callout */
body.app-dark .mt-mesh-copy h2 .mark { background-image: linear-gradient(transparent 68%, var(--app-glow) 68%); }
body.app-dark .mt-mesh-visual { background: var(--mt-paper); border-color: var(--mt-line); }

/* download / CTA band */
body.app-dark .mt-download {
    background: var(--mt-bg-elev);
    border-color: var(--mt-line);
}
body.app-dark .mt-download p { color: var(--mt-ink-soft); }
body.app-dark .app-store-btn {
    background: #05060c;
    color: var(--mt-ink) !important;
    border: 1px solid var(--mt-line);
}
body.app-dark .app-store-btn:hover { border-color: var(--mt-forest); color: var(--mt-ink) !important; }

/* floating cta */
body.app-dark .mt-floating-cta {
    background: var(--mt-forest);
    color: var(--mt-cream);
    box-shadow: 0 12px 30px var(--app-glow);
}
body.app-dark .mt-floating-cta:hover { background: var(--mt-forest-dark); color: var(--mt-cream); }

/* footer */
body.app-dark footer { background: var(--mt-bg-elev); border-color: var(--mt-line); }
body.app-dark footer p, body.app-dark .foot-col a, body.app-dark .foot-col p { color: var(--mt-ink-soft); }
body.app-dark .foot-col a:hover { color: var(--mt-forest); }
body.app-dark .foot-col h4 { color: var(--mt-ink-faded); }
body.app-dark .foot-bar { color: var(--mt-ink-faded); border-color: var(--mt-line); }
body.app-dark .brand-mark { background: var(--mt-forest); color: var(--mt-cream); box-shadow: 0 0 0 1px var(--mt-forest-dark); }

/* === SMALL SHARED HELPERS === */
/* app icon chip in hero */
.app-icon {
    width: 80px; height: 80px;
    border-radius: 20px;
    display: block;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--mt-line), 0 0 40px var(--app-glow);
}
/* meet-the-cast / tile grids */
.app-cast {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}
.app-cast .who {
    background: var(--mt-paper);
    border: 1px solid var(--mt-line);
    border-radius: 14px;
    padding: 20px 18px;
    text-align: center;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.app-cast .who:hover {
    transform: translateY(-4px);
    border-color: var(--mt-forest);
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.5), 0 0 24px var(--app-glow);
}
.app-cast .who img {
    width: 96px; height: 96px;
    border-radius: 50%;
    display: block;
    margin: 0 auto 14px;
    background: var(--mt-bg);
}
.app-cast .who h4 { font-size: 1.05rem; margin: 0 0 4px; color: var(--mt-ink); }
.app-cast .who .role {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--mt-forest);
    margin-bottom: 8px;
}
.app-cast .who p { font-size: 0.85rem; color: var(--mt-ink-soft); line-height: 1.5; margin: 0; }

/* generic two-tone tag chips used in feature copy */
.app-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.app-chips span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    padding: 5px 11px;
    border-radius: 5px;
    background: var(--app-glow);
    border: 1px solid var(--mt-line);
    color: var(--mt-ink);
}
