/* Compatibility page — hardware requirements + AI checker + platform list. */

.hero-compatibility { padding-bottom: 40px; }

/* ── Requirements ────────────────────────────────────────────────── */
.req-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.req-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 26px;
    position: relative;
}
.req-card-recommended {
    border-color: rgba(88,166,255,0.4);
    background: linear-gradient(180deg, rgba(88,166,255,0.04), transparent 50%), var(--bg-card);
}
.req-badge {
    position: absolute;
    top: 18px;
    right: 18px;
    background: var(--accent);
    color: var(--on-accent);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    font-weight: 700;
}
.req-card h3 {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 16px;
    letter-spacing: -0.01em;
}
.req-card ul { padding: 0; margin: 0; list-style: none; }
.req-card li {
    padding: 9px 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 14.5px;
    line-height: 1.5;
}
.req-card li:last-child { border-bottom: 0; }
@media (max-width: 800px) { .req-grid { grid-template-columns: 1fr; } }

/* ── AI checker ──────────────────────────────────────────────────── */
.section-ai-check { background: var(--bg-alt); }
.checker-card {
    max-width: 880px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 30px;
    box-shadow: var(--shadow-card);
}
.checker-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-bottom: 22px;
}
.checker-row label { display: flex; flex-direction: column; gap: 8px; }
.checker-row label span {
    font-size: 13px;
    color: var(--text-dim);
    font-weight: 500;
}
.checker-row select {
    appearance: none;
    -webkit-appearance: none;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 15px;
    padding: 12px 14px;
    cursor: pointer;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' stroke='%238b949e' stroke-width='2' fill='none' stroke-linecap='round'/></svg>");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}
.checker-row select:focus { outline: 1px solid var(--accent); }
.checker-row select:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

@media (max-width: 600px) { .checker-row { grid-template-columns: 1fr; } }

/* Optional GPU search (legacy IDE–style picker) */
.gpu-row {
    margin-bottom: 22px;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--border);
}
.gpu-row-label {
    display: block;
    font-size: 13px;
    color: var(--text-dim);
    font-weight: 500;
    margin-bottom: 8px;
}
.gpu-search-wrap { position: relative; }
.gpu-search {
    width: 100%;
    box-sizing: border-box;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 15px;
    padding: 12px 14px;
}
.gpu-search:focus { outline: 1px solid var(--accent); }
.gpu-search:disabled { opacity: 0.55; cursor: not-allowed; }

.gpu-dropdown {
    position: absolute;
    left: 0; right: 0; top: calc(100% + 4px);
    z-index: 20;
    max-height: min(320px, 50vh);
    overflow-y: auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
}
.gpu-dropdown[hidden] { display: none !important; }
.gpu-dd-group {
    padding: 8px 0 4px;
    border-bottom: 1px solid var(--border);
}
.gpu-dd-group:last-child { border-bottom: 0; }
.gpu-dd-vendor {
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-faint);
    font-weight: 700;
    padding: 4px 14px 6px;
}
.gpu-dd-opt {
    display: block;
    width: 100%;
    text-align: left;
    border: 0;
    background: transparent;
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 14px;
    padding: 10px 14px;
    cursor: pointer;
}
.gpu-dd-opt:hover,
.gpu-dd-opt:focus {
    background: rgba(88, 166, 255, 0.08);
    outline: none;
}
.gpu-selected {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 12px;
    padding: 12px 14px;
    border-radius: var(--radius);
    background: var(--bg);
    border: 1px solid var(--border);
}
.gpu-selected[hidden] { display: none !important; }
.gpu-selected-text { font-size: 14px; line-height: 1.45; color: var(--text-dim); }
.gpu-selected-name { color: var(--text); font-weight: 600; }
.gpu-selected-meta {
    display: inline-block;
    margin-left: 8px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--accent);
}
.gpu-clear {
    flex-shrink: 0;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 13px;
    padding: 8px 14px;
    border-radius: var(--radius);
    cursor: pointer;
    font-family: var(--font-sans);
}
.gpu-clear:hover { border-color: var(--accent); color: var(--text); }

.checker-results {
    min-height: 60px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.checker-results-rows { min-height: 8px; }
.checker-hint {
    color: var(--text-faint);
    font-size: 14px;
    text-align: center;
    margin: 0;
}
.checker-row-result {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    background: var(--bg);
    border: 1px solid var(--border);
}
.checker-row-result.fits   { border-color: rgba(63,185,80,0.35); }
.checker-row-result.tight  { border-color: rgba(210,153,34,0.35); }
.checker-row-result.no     { opacity: 0.5; }

.checker-model-name { font-weight: 600; font-size: 15px; }
.checker-status {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}
.checker-status.fits  { color: var(--ok); }
.checker-status.tight { color: var(--warn); }
.checker-status.no    { color: var(--text-faint); }

.checker-footnote {
    text-align: center;
    color: var(--text-faint);
    font-size: 13px;
    margin-top: 24px;
}

/* ── Platforms (standalone) ──────────────────────────────────────── */
.platform-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.platform-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 26px;
    text-align: center;
}
.platform-icon {
    width: 60px; height: 60px;
    border-radius: var(--radius);
    background: rgba(88,166,255,0.10);
    color: var(--accent);
    display: inline-flex; align-items: center; justify-content: center;
    margin: 0 auto 16px;
}
/* Legacy Canda Ollie download SVGs (Apple / Windows / Tux) — see macros/os_icons.html */
.platform-icon .os-brand-svg {
    display: block;
    flex-shrink: 0;
}
.platform-icon .os-brand-svg--mac { width: 28px; height: auto; }
.platform-icon .os-brand-svg--win { width: 32px; height: auto; }
.platform-icon .os-brand-svg--linux { width: 34px; height: auto; }
.platform-icon .material-symbols-rounded { font-size: 32px; }
.platform-card h3 {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 8px;
}
.platform-card p {
    color: var(--text-dim);
    font-size: 14.5px;
    line-height: 1.55;
    margin: 0;
}
@media (max-width: 800px) { .platform-grid { grid-template-columns: 1fr; } }