/* ==========================================================================
   TIER-1 SINGLE PRODUCT UPDATE & CHANGELOG SUBPAGE STYLING
   ========================================================================== */

.mcb-single-update-container {
    width: 100% !important;
}

/* 1. Navigation Header & Back Link */
.mcb-su-nav-header {
    margin-bottom: 20px !important;
}

.mcb-su-nav-header a.mcb-back-link {
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    color: #7c3aed !important;
    font-size: 13px !important;
    font-weight: 700 !important;
    text-decoration: none !important;
    font-family: inherit !important;
    transition: color 0.15s ease !important;
}

.mcb-su-nav-header a.mcb-back-link:hover {
    text-decoration: underline !important;
}

/* 2. Hero Update Card */
.mcb-single-update-hero {
    border: 1px solid #e2e8f0 !important;
    border-radius: 16px !important;
    padding: 28px 32px !important;
    background: transparent !important;
    margin-bottom: 26px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    flex-wrap: wrap !important;
    gap: 20px !important;
    box-sizing: border-box !important;
}

.mcb-su-left {
    max-width: 600px !important;
}

.mcb-su-left h3 {
    margin: 0 0 6px 0 !important;
    font-size: 22px !important;
    font-weight: 800 !important;
    color: inherit !important;
}

.mcb-su-meta-line {
    font-size: 13.5px !important;
    color: #64748b !important;
    display: flex !important;
    align-items: center !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
    margin-bottom: 12px !important;
}

/* Version Progression Delta Badge */
.mcb-version-progression-badge {
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    background: rgba(124, 58, 237, 0.08) !important;
    padding: 4px 12px !important;
    border-radius: 50px !important;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace !important;
    font-size: 13px !important;
    font-weight: 700 !important;
}

.mcb-v-old { color: #64748b !important; }
.mcb-v-sep { color: #94a3b8 !important; }
.mcb-v-latest { color: #10b981 !important; font-weight: 800 !important; }

.mcb-su-right {
    flex-shrink: 0 !important;
}

/* Primary Direct Download Button */
.mcb-btn-download-update {
    border-radius: 50px !important;
    background: #10b981 !important; /* Emerald Green */
    border: 1px solid #10b981 !important;
    color: #ffffff !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 13px 26px !important;
    font-size: 14px !important;
    font-weight: 700 !important;
    text-decoration: none !important;
    font-family: inherit !important;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3) !important;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
    cursor: pointer !important;
}

.mcb-btn-download-update:hover {
    background: #059669 !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45) !important;
    color: #ffffff !important;
}

.mcb-btn-download-update svg {
    stroke: #ffffff !important;
    transition: transform 0.2s ease !important;
}

.mcb-btn-download-update:hover svg {
    transform: translateY(2px) !important;
}

/* 3. Changelog Timeline Card */
.mcb-changelog-card {
    border: 1px solid #e2e8f0 !important;
    border-radius: 16px !important;
    padding: 28px 32px !important;
    background: transparent !important;
    margin-bottom: 26px !important;
    box-sizing: border-box !important;
}

.mcb-cl-header {
    margin-bottom: 24px !important;
    border-bottom: 1px solid #f1f5f9 !important;
    padding-bottom: 16px !important;
}

.mcb-cl-header h4 {
    margin: 0 0 4px 0 !important;
    font-size: 17px !important;
    font-weight: 800 !important;
    color: inherit !important;
}

.mcb-cl-header p {
    margin: 0 !important;
    font-size: 13px !important;
    color: #64748b !important;
}

/* Timeline Vertical Track */
.mcb-timeline-track {
    display: flex !important;
    flex-direction: column !important;
    gap: 28px !important;
    position: relative !important;
    padding-left: 24px !important;
    border-left: 2px solid #e2e8f0 !important;
    margin-left: 8px !important;
}

.mcb-timeline-entry {
    position: relative !important;
}

/* Connected Timeline Bullet Dot */
.mcb-timeline-entry::before {
    content: '' !important;
    position: absolute !important;
    top: 2px !important;
    left: -30px !important;
    width: 10px !important;
    height: 10px !important;
    border-radius: 50% !important;
    background: #7c3aed !important; /* Purple */
    box-shadow: 0 0 0 4px #ffffff, 0 0 0 6px #e2e8f0 !important;
}

.mcb-timeline-entry.latest-entry::before {
    background: #10b981 !important; /* Green for latest */
    box-shadow: 0 0 0 4px #ffffff, 0 0 0 6px rgba(16, 185, 129, 0.25) !important;
}

.mcb-te-title-row {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    margin-bottom: 6px !important;
    flex-wrap: wrap !important;
}

.mcb-te-version {
    font-size: 16px !important;
    font-weight: 800 !important;
    color: inherit !important;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace !important;
}

.mcb-te-badge-latest {
    background: #ecfdf5 !important;
    color: #047857 !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    padding: 2px 8px !important;
    border-radius: 4px !important;
}

.mcb-te-date {
    font-size: 12.5px !important;
    color: #64748b !important;
    margin-bottom: 12px !important;
}

/* Changelog Change Tags & Items */
.mcb-change-items-list {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
}

.mcb-change-items-list li {
    font-size: 13.5px !important;
    color: inherit !important;
    line-height: 1.5 !important;
    display: flex !important;
    align-items: flex-start !important;
    gap: 8px !important;
}

/* Micro Change Tags */
.mcb-tag-feat {
    background: #ede9fe !important;
    color: #6d28d9 !important;
    font-size: 10.5px !important;
    font-weight: 700 !important;
    padding: 1px 6px !important;
    border-radius: 3px !important;
    text-transform: uppercase !important;
    flex-shrink: 0 !important;
    margin-top: 2px !important;
}

.mcb-tag-fix {
    background: #fef2f2 !important;
    color: #b91c1c !important;
    font-size: 10.5px !important;
    font-weight: 700 !important;
    padding: 1px 6px !important;
    border-radius: 3px !important;
    text-transform: uppercase !important;
    flex-shrink: 0 !important;
    margin-top: 2px !important;
}

.mcb-tag-perf {
    background: #ecfdf5 !important;
    color: #047857 !important;
    font-size: 10.5px !important;
    font-weight: 700 !important;
    padding: 1px 6px !important;
    border-radius: 3px !important;
    text-transform: uppercase !important;
    flex-shrink: 0 !important;
    margin-top: 2px !important;
}

/* 4. Quick Installation / Update Guide Box */
.mcb-install-guide-card {
    border: 1px dashed rgba(148, 163, 184, 0.6) !important;
    border-radius: 14px !important;
    padding: 22px 26px !important;
    background: transparent !important;
}

.mcb-install-guide-card h4 {
    margin: 0 0 12px 0 !important;
    font-size: 15px !important;
    font-weight: 800 !important;
    color: inherit !important;
}

.mcb-guide-steps {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)) !important;
    gap: 16px !important;
}

.mcb-guide-step-item {
    display: flex !important;
    align-items: flex-start !important;
    gap: 12px !important;
    font-size: 13px !important;
    line-height: 1.5 !important;
    color: #475569 !important;
}

.mcb-step-num {
    width: 24px !important;
    height: 24px !important;
    border-radius: 50% !important;
    background: #7c3aed !important;
    color: #ffffff !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 11px !important;
    font-weight: 800 !important;
    flex-shrink: 0 !important;
    margin-top: 2px !important;
}

@media screen and (max-width: 850px) {
    .mcb-single-update-hero {
        flex-direction: column !important;
        align-items: flex-start !important;
    }

    .mcb-su-right,
    .mcb-btn-download-update {
        width: 100% !important;
        justify-content: center !important;
        box-sizing: border-box !important;
    }

    .mcb-guide-steps {
        grid-template-columns: 1fr !important;
    }
}