/* ============================================================
   CHIPSET GUIDE BROWSER — assets/css/chipset-guides.css
   ============================================================ */

/* ---- Page wrapper ---- */
.cg-page {
    min-height: 100vh;
}

/* ============================================================
   HERO
   ============================================================ */

.cg-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, #1a3a8a 60%, var(--color-accent-dark) 100%);
    padding: var(--space-16) var(--space-6) var(--space-12);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cg-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.cg-hero-inner {
    position: relative;
    max-width: 680px;
    margin: 0 auto;
}

.cg-hero-eyebrow {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
    margin: 0 0 var(--space-3);
}

.cg-hero-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 5vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: #fff;
    margin: 0 0 var(--space-4);
    line-height: 1.15;
}

.cg-hero-sub {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    margin: 0 0 var(--space-8);
    line-height: 1.6;
}

/* ---- Search bar ---- */
.cg-search-wrap {
    position: relative;
    max-width: 520px;
    margin: 0 auto;
}

.cg-search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    stroke: var(--text-muted);
    fill: none;
    pointer-events: none;
}

.cg-search-input {
    width: 100%;
    padding: 14px 48px 14px 46px;
    border: none;
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: 0.97rem;
    background: var(--bg-surface);
    color: var(--text-primary);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
    outline: none;
    transition: box-shadow var(--transition-fast);
}

.cg-search-input:focus {
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2), 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.cg-search-input::placeholder { color: var(--text-muted); }

.cg-search-clear {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 6px;
    border-radius: var(--radius-full);
    transition: color var(--transition-fast), background var(--transition-fast);
}

.cg-search-clear:hover {
    color: var(--text-primary);
    background: var(--bg-subtle);
}

/* ============================================================
   CHIPSET TABS
   ============================================================ */

.cg-tabs {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: var(--header-height, 70px);
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.cg-tabs-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    gap: var(--space-1);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.cg-tabs-inner::-webkit-scrollbar { display: none; }

.cg-tab {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 14px 16px;
    border: none;
    background: none;
    font-family: var(--font-body);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    transition: color var(--transition-fast), border-color var(--transition-fast);
    flex-shrink: 0;
}

.cg-tab:hover {
    color: var(--text-primary);
}

.cg-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.cg-tab-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: var(--radius-full);
    background: var(--bg-subtle);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.cg-tab.active .cg-tab-count {
    background: rgba(0, 87, 255, 0.12);
    color: var(--color-primary);
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */

.cg-main {
    background: var(--bg-base);
    padding: var(--space-10) var(--space-6) var(--space-16);
}

.cg-main-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-12);
}

/* ---- No results ---- */
.cg-no-results {
    text-align: center;
    padding: var(--space-16);
    color: var(--text-muted);
    font-size: 1rem;
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

/* ============================================================
   CHIPSET SECTION
   ============================================================ */

.cg-section {}

/* ---- Section header ---- */
.cg-section-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-5);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-5);
    border-bottom: 1px solid var(--border-light);
}

.cg-section-emoji {
    font-size: 2rem;
    line-height: 1;
    flex-shrink: 0;
    margin-top: 2px;
}

.cg-section-meta {
    flex: 1;
    min-width: 0;
}

.cg-section-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0 0 var(--space-2);
    line-height: 1.2;
    letter-spacing: -0.02em;
    /* Chipset colour underline accent */
    background: linear-gradient(90deg, var(--chipset-color, var(--color-primary)) 0%, transparent 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Dark-mode: reset fill so text is readable */
@media (prefers-color-scheme: dark) {
    .cg-section-title {
        -webkit-text-fill-color: unset;
        color: var(--text-primary);
        background: none;
    }
}
[data-theme="dark"] .cg-section-title {
    -webkit-text-fill-color: unset;
    color: var(--text-primary);
    background: none;
}

.cg-section-desc {
    font-size: 0.87rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.5;
}

.cg-section-count {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border-radius: var(--radius-full);
    border: 2px solid var(--chipset-color, var(--color-primary));
    color: var(--chipset-color, var(--color-primary));
    font-weight: 800;
    font-size: 0.9rem;
}

/* ============================================================
   GUIDE CARDS GRID
   ============================================================ */

.cg-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-5);
}

/* ---- Individual card ---- */
.cg-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-6);
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: inherit;
    overflow: hidden;
    transition:
        transform var(--transition-fast),
        box-shadow var(--transition-fast),
        border-color var(--transition-fast);
}

.cg-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-medium);
    text-decoration: none;
}

/* Coloured left bar */
.cg-card-bar {
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    opacity: 0.8;
}

/* ---- Card top row ---- */
.cg-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-3);
}

.cg-card-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.3;
    letter-spacing: -0.01em;
}

/* ---- Badge ---- */
.cg-badge {
    flex-shrink: 0;
    display: inline-block;
    padding: 3px 9px;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border: 1.5px solid var(--badge-color, var(--color-primary));
    color: var(--badge-color, var(--color-primary));
    background: transparent;
}

/* ---- Excerpt ---- */
.cg-card-excerpt {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ---- Meta pills ---- */
.cg-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: auto;
}

.cg-meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    background: var(--bg-subtle);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.cg-meta-pill svg {
    width: 12px;
    height: 12px;
    stroke: currentColor;
    fill: none;
    flex-shrink: 0;
}

.cg-meta-pill.cg-risk {
    color: var(--risk-color, var(--color-warning));
    background: transparent;
    border: 1px solid var(--risk-color, var(--color-warning));
}

/* ---- CTA ---- */
.cg-card-cta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-top: var(--space-2);
    transition: gap var(--transition-fast);
}

.cg-card-cta svg {
    width: 14px;
    height: 14px;
    stroke: currentColor;
    fill: none;
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.cg-card:hover .cg-card-cta svg {
    transform: translateX(4px);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 640px) {
    .cg-hero {
        padding: var(--space-10) var(--space-4) var(--space-8);
    }

    .cg-main {
        padding: var(--space-8) var(--space-4) var(--space-12);
    }

    .cg-tabs-inner {
        padding: 0 var(--space-4);
    }

    .cg-cards {
        grid-template-columns: 1fr;
    }

    .cg-section-header {
        flex-wrap: wrap;
    }

    .cg-section-count {
        order: -1;
        margin-left: auto;
    }
}

@media (min-width: 1024px) {
    .cg-cards {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

/* ============================================================
   ACCESSIBILITY — warning colour contrast fix
   --color-warning (#FF9A00) = 2.13:1 on white — fails WCAG AA.
   Override badge/pill warning text to accessible amber in light mode.
   ============================================================ */

.cg-badge[style*="--badge-color:var(--color-warning)"] {
    --badge-color: #9A5F00;
}

[data-theme="dark"] .cg-badge[style*="--badge-color:var(--color-warning)"] {
    --badge-color: var(--color-warning);
}