/* ══════════════════════════════════════
   PRODUCT PAGES — Changelog & Roadmap
   Inherits CSS variables from theme-dark.css / theme-light.css
   ══════════════════════════════════════ */

/* ──────────────────────────────────────
   SHARED — Filter Pills
   ────────────────────────────────────── */
.pp-filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 48px;
}

.pp-pill {
    padding: 8px 20px;
    border-radius: 100px;
    border: 1px solid var(--bdr);
    background: transparent;
    color: var(--t2);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s;
    font-family: inherit;
}

.pp-pill:hover {
    border-color: var(--bdr-h);
    color: var(--t1);
}

.pp-pill.active {
    background: var(--blue);
    border-color: var(--blue);
    color: #fff;
}

/* ──────────────────────────────────────
   CHANGELOG — Hero
   ────────────────────────────────────── */
.cl-hero {
    padding: 120px 0 40px;
    position: relative;
    z-index: 1;
}

.cl-hero .section-badge {
    margin-bottom: 16px;
}

.cl-hero .section-title {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 12px;
}

.cl-hero .section-title span {
    background: linear-gradient(135deg, var(--blue), var(--purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cl-hero .section-sub {
    font-size: 17px;
    color: var(--t2);
    max-width: 560px;
    margin: 0 auto 20px;
    line-height: 1.7;
}

.cl-hero .cl-version-count {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 100px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: var(--blue);
    font-size: 13px;
    font-weight: 600;
}

/* ──────────────────────────────────────
   CHANGELOG — Body & Timeline
   ────────────────────────────────────── */
.cl-body {
    padding: 0 0 80px;
    position: relative;
    z-index: 1;
}

.cl-timeline {
    position: relative;
    padding-left: 40px;
}

.cl-timeline::before {
    content: '';
    position: absolute;
    left: 11px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--bdr);
}

/* Version block */
.cl-version {
    position: relative;
    margin-bottom: 48px;
}

.cl-version:last-child {
    margin-bottom: 0;
}

/* Timeline dot */
.cl-version::before {
    content: '';
    position: absolute;
    left: -33px;
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--blue);
    border: 3px solid var(--bg);
    box-shadow: 0 0 0 2px var(--blue);
    z-index: 1;
}

.cl-version.is-latest::before {
    width: 14px;
    height: 14px;
    left: -34px;
    top: 5px;
    background: var(--green);
    box-shadow: 0 0 0 2px var(--green), 0 0 12px rgba(16, 185, 129, 0.3);
}

/* Version header */
.cl-version-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.cl-ver-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 14px;
    border-radius: 100px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: var(--blue);
    font-size: 14px;
    font-weight: 700;
    font-family: 'Fira Code', monospace;
}

.cl-version.is-latest .cl-ver-badge {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
    color: var(--green);
}

.cl-ver-date {
    font-size: 13px;
    color: var(--t3);
    font-weight: 500;
}

.cl-ver-summary {
    font-size: 13px;
    color: var(--t2);
    font-style: italic;
}

.cl-ver-latest-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: 100px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--green);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Version items card */
.cl-items-card {
    background: var(--bg-card);
    border: 1px solid var(--bdr);
    border-radius: var(--card-r);
    padding: 20px 24px;
    transition: border-color 0.3s;
}

.cl-items-card:hover {
    border-color: var(--bdr-h);
}

/* Individual item */
.cl-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.cl-item:last-child {
    border-bottom: none;
}

.cl-type {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    flex-shrink: 0;
    margin-top: 2px;
}

.cl-type-new {
    background: rgba(16, 185, 129, 0.12);
    color: var(--green);
}

.cl-type-improved {
    background: rgba(59, 130, 246, 0.12);
    color: var(--blue);
}

.cl-type-fixed {
    background: rgba(245, 158, 11, 0.12);
    color: var(--amber);
}

.cl-type-core {
    background: rgba(139, 92, 246, 0.12);
    color: var(--purple);
}

.cl-item-text {
    font-size: 14px;
    color: var(--t2);
    line-height: 1.6;
}

/* Filter hidden state */
.cl-item.cl-hidden {
    display: none;
}

/* ──────────────────────────────────────
   ROADMAP — Hero
   ────────────────────────────────────── */
.rm-hero {
    padding: 120px 0 40px;
    position: relative;
    z-index: 1;
}

.rm-hero .section-badge {
    margin-bottom: 16px;
}

.rm-hero .section-title {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 12px;
}

.rm-hero .section-title span {
    background: linear-gradient(135deg, var(--purple), var(--blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.rm-hero .section-sub {
    font-size: 17px;
    color: var(--t2);
    max-width: 560px;
    margin: 0 auto 20px;
    line-height: 1.7;
}

/* Status summary strip */
.rm-status-strip {
    display: inline-flex;
    gap: 24px;
    padding: 8px 20px;
    border-radius: 100px;
    background: var(--bg-card);
    border: 1px solid var(--bdr);
}

.rm-status-stat {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--t2);
}

.rm-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.rm-status-dot.dot-shipped { background: var(--green); }
.rm-status-dot.dot-in_progress { background: var(--blue); }
.rm-status-dot.dot-planned { background: var(--purple); }

/* ──────────────────────────────────────
   ROADMAP — Body & Grid
   ────────────────────────────────────── */
.rm-body {
    padding: 0 0 80px;
    position: relative;
    z-index: 1;
}

.rm-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* Feature card */
.rm-card {
    background: var(--bg-card);
    border: 1px solid var(--bdr);
    border-radius: var(--card-r);
    padding: var(--card-p);
    transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.rm-card:hover {
    border-color: var(--bdr-h);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.rm-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.rm-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 12px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.rm-badge-shipped {
    background: rgba(16, 185, 129, 0.12);
    color: var(--green);
}

.rm-badge-in_progress {
    background: rgba(59, 130, 246, 0.12);
    color: var(--blue);
}

.rm-badge-planned {
    background: rgba(139, 92, 246, 0.12);
    color: var(--purple);
}

.rm-badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.rm-quarter {
    font-size: 11px;
    color: var(--t4);
    font-weight: 600;
}

.rm-card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--t1);
    line-height: 1.3;
}

.rm-card-desc {
    font-size: 14px;
    color: var(--t3);
    line-height: 1.6;
    flex: 1;
}

.rm-card-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-top: 12px;
    border-top: 1px solid var(--bdr);
}

.rm-category {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.04);
    color: var(--t3);
    border: 1px solid var(--bdr);
}

.rm-category svg {
    width: 12px;
    height: 12px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
}

/* Filter hidden state */
.rm-card.rm-hidden {
    display: none;
}

/* ──────────────────────────────────────
   LIGHT MODE OVERRIDES
   ────────────────────────────────────── */
body.light .cl-version::before {
    border-color: #fff;
}

body.light .cl-version.is-latest::before {
    border-color: #fff;
}

body.light .cl-items-card {
    background: #fff;
    border-color: #e2e8f0;
}

body.light .cl-items-card:hover {
    border-color: #c7d2fe;
}

body.light .cl-item {
    border-bottom-color: #f1f5f9;
}

body.light .rm-card {
    background: #fff;
    border-color: #e2e8f0;
}

body.light .rm-card:hover {
    border-color: #c7d2fe;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

body.light .rm-card-footer {
    border-top-color: #f1f5f9;
}

body.light .rm-category {
    background: #f8fafc;
    border-color: #e2e8f0;
}

body.light .rm-status-strip {
    background: #fff;
    border-color: #e2e8f0;
}

body.light .pp-pill {
    border-color: #e2e8f0;
}

body.light .pp-pill:hover {
    border-color: #c7d2fe;
}

/* ──────────────────────────────────────
   RESPONSIVE
   ────────────────────────────────────── */
@media (max-width: 1024px) {
    .rm-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .cl-hero .section-title,
    .rm-hero .section-title {
        font-size: 30px;
    }

    .cl-timeline {
        padding-left: 32px;
    }

    .cl-timeline::before {
        left: 7px;
    }

    .cl-version::before {
        left: -28px;
    }

    .cl-version.is-latest::before {
        left: -29px;
    }

    .rm-status-strip {
        gap: 16px;
        padding: 6px 14px;
    }

    .rm-status-stat {
        font-size: 12px;
    }
}

@media (max-width: 640px) {
    .rm-grid {
        grid-template-columns: 1fr;
    }

    .cl-version-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .pp-filters {
        gap: 6px;
    }

    .pp-pill {
        padding: 6px 14px;
        font-size: 12px;
    }
}

/* ── Small phone (≤ 480px) ────────── */
@media (max-width: 480px) {
    .cl-hero .section-title,
    .rm-hero .section-title {
        font-size: 24px;
    }

    .cl-hero .section-sub,
    .rm-hero .section-sub {
        font-size: 14px;
    }

    .cl-timeline {
        padding-left: 24px;
    }

    .cl-timeline::before {
        left: 5px;
    }

    .cl-version::before {
        left: -22px;
        width: 10px;
        height: 10px;
    }

    .cl-version.is-latest::before {
        left: -23px;
        width: 12px;
        height: 12px;
    }

    .cl-version-head h3 {
        font-size: 16px;
    }

    .rm-status-strip {
        flex-wrap: wrap;
        gap: 8px;
        padding: 6px 10px;
    }

    .rm-card {
        padding: 16px;
    }
}