/* lib/styles/components/playbook_layout.css */
/* Brand colors: Justice Blue #1F3D63, Guidance Teal #1D7670, Dark Grey #4B4B45, Mid Grey #9B9B93 */

.playbook-layout {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.playbook-layout__header {
    padding: 0 0 40px 0;
    border-bottom: 1px solid var(--color-light-grey, #E0E0DC);
    margin-bottom: 40px;
}

.playbook-layout__meta {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.playbook-layout__category {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 12px;
    border-radius: 999px;
    background-color: rgba(29, 118, 112, 0.08);
    color: var(--color-guidance-teal, #1D7670);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.playbook-layout__read-time {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #9B9B93;
    font-size: 14px;
    font-weight: 500;
}

.playbook-layout__reviewed {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #4B4B45;
    font-size: 14px;
    font-weight: 500;
}

.playbook-layout__title {
    font-family: var(--font-heading, 'DM Serif Display', serif);
    font-size: clamp(2rem, 4vw, 3.25rem);
    line-height: 1.15;
    color: var(--color-justice-blue, #1F3D63);
    margin: 0;
}

.playbook-layout__body {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
    padding-bottom: 80px;
}

/* Fixed the sticky sidebar by removing CSS transforms */
.playbook-layout__sidebar {
    position: sticky;
    top: 120px;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
}

.playbook-layout__toc-sticky {
    padding: 24px;
    background-color: #FFFFFF;
    border: 1px solid var(--color-light-grey, #E2E8F0);
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(16, 32, 48, 0.03);
}

.playbook-layout__toc-heading {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #9B9B93;
    margin: 0 0 16px 0;
}

.playbook-layout__toc-empty {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-mid-grey, #9B9B93);
}

.playbook-layout__toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.playbook-layout__toc-item {
    margin: 0;
}

.playbook-layout__toc-link {
    display: inline-block;
    text-decoration: none;
    color: var(--color-justice-blue, #1F3D63);
    font-size: 15px;
    line-height: 1.4;
    opacity: 0.85;
    transition: color var(--transition-fast),
        opacity var(--transition-fast),
        transform var(--transition-fast);
}

.playbook-layout__toc-link:hover,
.playbook-layout__toc-link:focus-visible {
    color: var(--color-guidance-teal, #1D7670);
    opacity: 1;
    transform: translateX(2px);
    outline: none;
}

.playbook-layout__toc-link--active {
    color: var(--color-guidance-teal, #1D7670);
    font-weight: 600;
    opacity: 1;
    transform: translateX(2px);
}

/* Restored the white card styling for the main article */
.playbook-layout__content {
    background-color: #FFFFFF;
    border: 1px solid var(--color-light-grey, #E0E0DC);
    border-radius: 18px;
    padding: 48px 52px;
    box-shadow: 0 10px 28px rgba(16, 32, 48, 0.04);
    min-width: 0;
}

@media (max-width: 1024px) {
    .playbook-layout__body {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .playbook-layout__sidebar {
        position: relative;
        top: auto;
        max-height: none;
        overflow-y: visible;
        order: -1;
        /* Keeps TOC at the top on mobile */
    }
}

@media (max-width: 768px) {
    .playbook-layout__header {
        padding-bottom: 32px;
        margin-bottom: 32px;
    }

    .playbook-layout__title {
        font-size: 2rem;
    }

    .playbook-layout__meta {
        gap: 12px;
    }

    .playbook-layout__content {
        padding: 32px 24px;
    }
}