@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Titillium+Web:wght@600;700&display=swap');

:root {
    --gp-red: #e10600;
    --gp-red-soft: rgba(225, 6, 0, 0.08);
    --gp-navy: #15151e;
    --gp-navy-mid: #1e1e2a;
    --gp-bg: #eceef3;
    --gp-surface: #ffffff;
    --gp-border: #e3e6ec;
    --gp-border-hover: #cfd4de;
    --gp-text: #15151e;
    --gp-text-secondary: #565d6b;
    --gp-text-muted: #8b93a1;
    --gp-card: #233037;
    --gp-card-border: #2f3f4a;
    --gp-card-hover-border: #3d505c;
    --gp-card-text: #eef1f4;
    --gp-card-text-secondary: #9aa8b3;
    --gp-card-text-muted: #6d7d88;
    --gp-card-chip-bg: rgba(255, 255, 255, 0.08);
    --gp-card-chip-text: #c5cdd4;
    --gp-card-chip-border: rgba(255, 255, 255, 0.12);
    --gp-chip-bg: #eef1f6;
    --gp-chip-text: #3f4654;
    --gp-radius: 0.75rem;
    --gp-radius-lg: 1rem;
    --gp-shadow: 0 1px 2px rgba(21, 21, 30, 0.05), 0 1px 3px rgba(21, 21, 30, 0.04);
    --gp-shadow-hover: 0 6px 14px rgba(21, 21, 30, 0.08), 0 18px 40px rgba(21, 21, 30, 0.1);
}

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    color-scheme: dark;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--gp-navy);
    background-image: linear-gradient(180deg, var(--gp-navy) 0%, var(--gp-navy-mid) 100%);
    background-attachment: fixed;
    color: var(--gp-text);
    -webkit-font-smoothing: antialiased;
}

/* Header */
.gp-header {
    background: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.gp-header-inner {
    max-width: 72rem;
    margin: 0 auto;
    padding: 1.25rem 1rem;
}

@media (min-width: 640px) {
    .gp-header-inner {
        padding: 1.5rem 1.5rem;
    }
}

@media (min-width: 1024px) {
    .gp-header-inner {
        padding: 1.5rem 2rem;
    }
}

.gp-logo-link {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    text-decoration: none;
    color: #fff;
    transition: opacity 0.15s ease;
}

.gp-logo-link:hover {
    opacity: 0.85;
}

.gp-logo-mark {
    width: 2.25rem;
    height: 2.25rem;
    flex-shrink: 0;
}

@media (min-width: 640px) {
    .gp-logo-mark {
        width: 2.5rem;
        height: 2.5rem;
    }
}

.gp-brand-name {
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: rgba(255, 255, 255, 0.9);
}

.gp-page-title {
    font-family: 'Titillium Web', 'Inter', system-ui, -apple-system, sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0;
    color: #fff;
    line-height: 1.2;
}

@media (min-width: 640px) {
    .gp-page-title {
        font-size: 1.875rem;
    }
}

/* The feed's H1, on its own class rather than by restyling .gp-page-title:
   /fiadocs.html shares that class and its exact H1 markup is pinned by the
   head-snapshot test. Must stay after the .gp-page-title rules above - equal
   specificity, so source order decides. */
/* Block, with the box hugging the text. NOT inline-block: the status pill below is
   inline-flex, so an inline-level H1 puts the two in one inline formatting context
   and the pill's margin-top stops behaving like a block gap - it gets absorbed into
   line-box height and the pill ends up flush against the title. */
.gp-feed-title {
    position: relative;
    display: block;
    width: fit-content;
    font-size: 1.75rem;
    letter-spacing: -0.02em;
    padding-bottom: 0.5rem;
}

/* A short accent rule that fades out, rather than a full-width underline: it reads
   as an F1 livery stripe and does not draw a line across the whole header. */
.gp-feed-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 2.75rem;
    height: 3px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--gp-red) 0%, rgba(225, 6, 0, 0) 100%);
}

/* Red only ever lands on the H1's "live", never on body text: at this size and
   weight it clears the 3:1 large-text contrast bar against the navy header, which
   it would not at paragraph size. */
.gp-feed-title-live {
    color: var(--gp-red);
}

/* Measured from the accent rule, not from the text: the title's own padding-bottom
   holds the rule, so this gap sits below the rule rather than below the words.
   Noticeably wider than the .gp-status-pill default - the bigger title plus the rule
   need real air under them, and anything within a few pixels of that default reads as
   unchanged. */
.gp-feed-title + .gp-status-pill {
    margin-top: 1.5rem;
}

@media (min-width: 640px) {
    .gp-feed-title {
        font-size: 2.125rem;
    }

    .gp-feed-title::after {
        width: 3.25rem;
    }
}

.gp-page-subtitle {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.gp-detail-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    line-height: 1.15;
}

@media (min-width: 640px) {
    .gp-detail-title {
        font-size: 1.5rem;
    }
}

.gp-detail-subtitle {
    font-size: 1rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.4;
}

@media (min-width: 640px) {
    .gp-page-subtitle {
        font-size: 1.25rem;
        white-space: nowrap;
    }
}

.gp-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    margin-top: 0.75rem;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 9999px;
}

.gp-status-dot {
    width: 0.375rem;
    height: 0.375rem;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 6px rgba(34, 197, 94, 0.6);
    animation: gp-pulse 2s ease-in-out infinite;
}

@keyframes gp-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Main layout */
.gp-main {
    max-width: 72rem;
    margin: 0 auto;
    padding: 1.5rem 1rem 2rem;
}

@media (min-width: 640px) {
    .gp-main {
        padding: 2rem 1.5rem 3rem;
    }
}

@media (min-width: 1024px) {
    .gp-main {
        padding: 2rem 2rem 3rem;
    }
}

/* Document cards */
.gp-event-picker {
    margin-bottom: 1.25rem;
}

.gp-event-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    column-gap: 0.5rem;
    row-gap: 1rem;
}

.gp-event-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.4375rem 0.875rem;
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.25;
    color: var(--gp-card-text-secondary);
    background: var(--gp-card);
    border: 1px solid var(--gp-card-border);
    border-radius: 9999px;
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.gp-event-btn:hover {
    border-color: var(--gp-card-hover-border);
    color: var(--gp-card-text);
    background: rgba(255, 255, 255, 0.06);
}

.gp-event-btn.is-active {
    color: #fff;
    background: var(--gp-red);
    border-color: var(--gp-red);
}

.gp-event-btn.is-active:hover {
    color: #fff;
    background: #c80500;
    border-color: #c80500;
}

.gp-event-toggle {
    cursor: pointer;
}

.gp-admin-check {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
}

.gp-admin-check-input {
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
    cursor: pointer;
    accent-color: var(--gp-red);
    opacity: 0.65;
    transition: opacity 0.15s ease;
}

.gp-admin-check:hover .gp-admin-check-input,
.gp-admin-check-input:checked {
    opacity: 1;
}

.gp-admin-check-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.55);
    white-space: nowrap;
    transition: color 0.15s ease;
}

.gp-admin-check:hover .gp-admin-check-label {
    color: rgba(255, 255, 255, 0.8);
}

.gp-doc-list.is-hiding-admin .gp-doc-card[data-admin="true"] {
    display: none;
}

.gp-event-bar.is-hiding-admin .gp-event-btn[data-admin-only="true"] {
    display: none;
}

.gp-doc-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.gp-doc-card {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1rem 1rem 1.125rem;
    background: var(--gp-card);
    border: 1px solid var(--gp-card-border);
    border-radius: var(--gp-radius-lg);
    box-shadow: var(--gp-shadow);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.gp-doc-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 3px;
    background: var(--gp-red);
    transform: scaleY(0);
    transform-origin: center;
    transition: transform 0.2s ease;
}

@media (min-width: 640px) {
    .gp-doc-card {
        gap: 1.25rem;
        padding: 1.25rem 1.5rem 1.25rem 1.625rem;
    }
}

.gp-doc-card:hover {
    border-color: var(--gp-card-hover-border);
    box-shadow: var(--gp-shadow-hover);
    transform: translateY(-2px);
}

.gp-doc-card:hover::before {
    transform: scaleY(1);
}

.gp-driver-portraits {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
}

.gp-driver-avatar {
    width: 4.68rem;
    height: 4.68rem;
    border-radius: 0.5rem;
    object-fit: cover;
    border: 2px solid var(--gp-card-chip-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

.gp-driver-portraits.is-multi .gp-driver-avatar,
.gp-driver-portraits.is-multi .gp-driver-placeholder {
    width: 2.9rem;
    height: 2.9rem;
    font-size: 0.5625rem;
}

@media (min-width: 640px) {
    .gp-driver-avatar {
        width: 6.24rem;
        height: 6.24rem;
    }

    .gp-driver-portraits.is-multi .gp-driver-avatar,
    .gp-driver-portraits.is-multi .gp-driver-placeholder {
        width: 3.9rem;
        height: 3.9rem;
        font-size: 0.625rem;
    }
}

.gp-doc-logo {
    width: 4.68rem;
    height: 4.68rem;
    border-radius: 0.5rem;
    object-fit: contain;
    background: #ffffff;
    padding: 0.25rem;
    border: 2px solid var(--gp-card-chip-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

@media (min-width: 640px) {
    .gp-doc-logo {
        width: 6.24rem;
        height: 6.24rem;
    }
}

.gp-driver-placeholder {
    width: 4.68rem;
    height: 4.68rem;
    border-radius: 0.5rem;
    background: var(--gp-card-chip-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--gp-card-text-secondary);
    text-align: center;
    padding: 0.25rem;
    border: 2px solid var(--gp-card-chip-border);
}

@media (min-width: 640px) {
    .gp-driver-placeholder {
        width: 6.24rem;
        height: 6.24rem;
        font-size: 0.75rem;
    }
}

.gp-tag {
    display: inline-block;
    padding: 0.1875rem 0.5rem;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: var(--gp-card-chip-text);
    background: var(--gp-card-chip-bg);
    border: 1px solid var(--gp-card-chip-border);
    border-radius: 9999px;
}

.gp-doc-title {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.015em;
    color: var(--gp-card-text);
    line-height: 1.35;
    transition: color 0.15s ease;
}

@media (min-width: 640px) {
    .gp-doc-title {
        font-size: 1.0625rem;
    }
}

.gp-doc-card:hover .gp-doc-title {
    color: var(--gp-red);
}

.gp-doc-subtitle {
    margin-top: 0.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gp-card-text-secondary);
    line-height: 1.4;
}

.gp-doc-meta {
    font-size: 0.8125rem;
    color: var(--gp-card-text-secondary);
    margin-top: 0.25rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.gp-doc-event {
    font-weight: 500;
    color: var(--gp-card-text);
}

.gp-doc-type {
    color: var(--gp-card-text-secondary);
}

.gp-decision-icon {
    width: 1.15em;
    height: 1.15em;
    flex-shrink: 0;
    display: inline-block;
    vertical-align: -0.2em;
}

.gp-doc-meta:has(.gp-doc-event) .gp-doc-type {
    position: relative;
    padding-left: 0.625rem;
}

.gp-doc-meta:has(.gp-doc-event) .gp-doc-type::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--gp-card-text-muted);
}

.gp-doc-time {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gp-card-text-muted);
    white-space: nowrap;
}

@media (min-width: 640px) {
    .gp-doc-time {
        font-size: 0.8125rem;
    }
}

.gp-doc-summary {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    line-height: 1.55;
    color: var(--gp-card-text-secondary);
}

.gp-doc-summary p {
    margin: 0;
}

.gp-doc-link {
    display: inline-flex;
    align-items: center;
    gap: 0.3125rem;
    margin-top: 0.75rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--gp-card-text);
    text-decoration: none;
    transition: color 0.15s ease;
}

.gp-doc-link:hover,
.gp-doc-card:hover .gp-doc-link {
    color: var(--gp-red);
}

.gp-doc-link::after {
    content: '→';
    color: var(--gp-red);
    transition: transform 0.15s ease;
}

.gp-doc-link:hover::after,
.gp-doc-card:hover .gp-doc-link::after {
    transform: translateX(3px);
}

.gp-thumbnail {
    width: 5rem;
    height: 9rem;
    object-fit: contain;
    background: #fafafa;
    border-radius: 0.375rem;
    border: 1px solid var(--gp-border);
    box-shadow: 0 2px 8px rgba(21, 21, 30, 0.06);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    pointer-events: none;
}

.gp-doc-card:hover .gp-thumbnail {
    border-color: var(--gp-red);
    box-shadow: 0 4px 16px rgba(225, 6, 0, 0.12);
}

/* Empty state */
.gp-empty {
    padding: 2.5rem 1.5rem;
    text-align: center;
    color: var(--gp-card-text-secondary);
    background: var(--gp-card);
    border: 1px dashed var(--gp-card-border);
    border-radius: var(--gp-radius-lg);
}

/* Pagination */
.gp-pagination {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.gp-pagination-info {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--gp-card-text-secondary);
}

.gp-pagination-strong {
    font-weight: 600;
    color: var(--gp-card-text);
}

.gp-pagination-controls {
    padding-top: 0;
    border-top: none;
}

@media (min-width: 640px) {
    .gp-pagination {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.gp-page-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 0.875rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gp-card-text-secondary);
    background: var(--gp-card);
    border: 1px solid var(--gp-card-border);
    border-radius: 0.5rem;
    text-decoration: none;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.gp-page-btn:hover {
    background: var(--gp-card-hover-border);
    border-color: var(--gp-card-hover-border);
    color: var(--gp-card-text);
}

.gp-page-current {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 0.875rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--gp-card-text-muted);
    background: transparent;
    border: none;
    border-radius: 0.5rem;
}

/* Panel cards (detail pages) */
.gp-panel {
    background: var(--gp-card);
    border: 1px solid var(--gp-card-border);
    border-radius: var(--gp-radius-lg);
    box-shadow: var(--gp-shadow);
    padding: 1.25rem;
    color: var(--gp-card-text);
}

.gp-panel-title {
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: -0.015em;
    color: var(--gp-card-text);
}

.gp-panel-heading {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.015em;
    color: var(--gp-card-text);
    line-height: 1.35;
}

.gp-panel-meta {
    font-size: 0.8125rem;
    color: var(--gp-card-text-secondary);
    margin-top: 0.25rem;
}

.gp-panel-time {
    font-size: 0.75rem;
    color: var(--gp-card-text-muted);
    margin-top: 0.25rem;
}

.gp-panel-body {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    line-height: 1.55;
    color: var(--gp-card-text-secondary);
}

.gp-panel-body p {
    margin: 0 0 0.5rem;
}

.gp-panel-body p:last-child {
    margin-bottom: 0;
}

.gp-section-label {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--gp-card-text-muted);
}

.gp-reg-tag {
    display: inline-block;
    padding: 0.1875rem 0.5rem;
    font-size: 0.6875rem;
    font-weight: 600;
    color: #fbbf24;
    background: rgba(251, 191, 36, 0.12);
    border: 1px solid rgba(251, 191, 36, 0.22);
    border-radius: 9999px;
}

.gp-driver-tag {
    display: inline-block;
    padding: 0.1875rem 0.5rem;
    font-size: 0.6875rem;
    font-weight: 600;
    color: #93c5fd;
    background: rgba(96, 165, 250, 0.12);
    border: 1px solid rgba(96, 165, 250, 0.22);
    border-radius: 9999px;
}

.gp-reg-block {
    border: 1px solid var(--gp-card-border);
    border-radius: var(--gp-radius);
    overflow: hidden;
    background: rgba(0, 0, 0, 0.15);
}

.gp-reg-block-title {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    padding: 0.625rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gp-card-text);
}

.gp-reg-block-text {
    margin: 0 0.75rem 0.5rem;
    padding: 0.75rem;
    font-size: 0.75rem;
    line-height: 1.55;
    color: var(--gp-card-text-secondary);
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--gp-card-border);
    border-radius: 0.375rem;
    white-space: pre-line;
    max-height: 12rem;
    overflow-y: auto;
}

.gp-reg-block-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 0.75rem 0.75rem;
    height: 6rem;
    font-size: 0.75rem;
    color: var(--gp-card-text-secondary);
    background: rgba(0, 0, 0, 0.15);
    border: 1px dashed var(--gp-card-border);
    border-radius: var(--gp-radius);
    text-decoration: none;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.gp-reg-block-link:hover {
    border-color: var(--gp-card-hover-border);
    background: rgba(255, 255, 255, 0.05);
}

.gp-reg-block-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 8rem;
    font-size: 0.75rem;
    color: var(--gp-card-text-muted);
    background: rgba(0, 0, 0, 0.15);
}

.gp-related-card {
    display: block;
    padding: 0.75rem;
    border: 1px solid var(--gp-card-border);
    border-radius: var(--gp-radius);
    text-decoration: none;
    transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.gp-related-card:hover {
    border-color: var(--gp-card-hover-border);
    background: rgba(255, 255, 255, 0.04);
    transform: translateY(-1px);
}

.gp-related-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gp-card-text);
    line-height: 1.35;
}

.gp-related-meta {
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--gp-card-text-muted);
}

.gp-pdf-panel {
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
}

.gp-pdf-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--gp-card-border);
}

.gp-pdf-toolbar-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gp-card-text);
}

.gp-pdf-toolbar-sub {
    font-size: 0.75rem;
    color: var(--gp-card-text-muted);
}

.gp-pdf-frame {
    flex: 1;
    background: #525659;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.gp-pdf-pages {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
}

.gp-pdf-page {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 0 auto;
    background: #fff;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
}

.gp-pdf-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    font-size: 0.875rem;
    color: var(--gp-card-text-muted);
}

.gp-detail-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--gp-card-border);
}

.gp-detail-nav-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gp-card-text);
    text-decoration: none;
    border-radius: 0.375rem;
    transition: background 0.15s ease, color 0.15s ease;
}

.gp-pagination-controls .gp-detail-nav-btn + .gp-detail-nav-btn {
    margin-left: 0.25rem;
}

.gp-detail-nav-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--gp-red);
}

.gp-detail-nav-btn.is-disabled {
    color: var(--gp-card-text-muted);
    pointer-events: none;
}

.gp-detail-nav-info {
    font-size: 0.75rem;
    color: var(--gp-card-text-muted);
}

.gp-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    transition: gap 0.15s ease, color 0.15s ease;
}

.gp-back-link:hover {
    gap: 0.625rem;
    color: #fff;
}

/* Detail header: prominent back button + section context */
.gp-detail-header {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

.gp-detail-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.gp-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.9rem 0.5rem 0.7rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: #fff;
    text-decoration: none;
    background: var(--gp-red);
    border-radius: 999px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
    transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.gp-back-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    filter: brightness(1.08);
}

.gp-back-btn-icon {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
}

.gp-detail-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.15s ease;
}

.gp-detail-brand:hover {
    color: rgba(255, 255, 255, 0.9);
}

.gp-detail-brand-mark {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
}

.gp-detail-topbar-links {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    flex-wrap: wrap;
    min-width: 0;
}

/* Secondary route out of a detail page: present, and visibly not the main one. */
.gp-detail-secondary-link {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gp-card-text-muted);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.gp-detail-secondary-link:hover {
    color: rgba(255, 255, 255, 0.9);
    border-bottom-color: currentColor;
}

/* Entity hubs: driver, race weekend and keyword pages. */
.gp-hub-section {
    margin-top: 1.5rem;
}

.gp-hub-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.gp-hub-chip {
    text-decoration: none;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.gp-hub-chip:hover {
    color: #fff;
    border-color: var(--gp-red);
}

/* Teaser at the top of a document page, pointing at the news feed. */
.gp-news-teaser {
    margin-bottom: 1.5rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--gp-card-border);
}

.gp-news-teaser-head {
    margin-bottom: 0.875rem;
}

.gp-news-teaser-heading-link {
    color: inherit;
    text-decoration: none;
}

.gp-news-teaser-heading-link:hover {
    text-decoration: underline;
}

.gp-news-teaser-card {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.gp-news-teaser-thumb {
    width: 5.5rem;
    height: 3.625rem;
    flex-shrink: 0;
    object-fit: cover;
    border-radius: 0.375rem;
    /* Holds the layout while the image decodes, so the row does not jump. */
    background: rgba(255, 255, 255, 0.06);
}

.gp-news-teaser-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

@media (min-width: 768px) {
    .gp-news-teaser-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Detail footer: more documents from the same event */
.gp-event-more {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gp-card-border);
}

.gp-event-more-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.875rem;
}

.gp-event-more-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

@media (min-width: 768px) {
    .gp-event-more-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.gp-event-more-time {
    margin-top: 0.375rem;
    font-size: 0.6875rem;
    color: var(--gp-card-text-muted);
}

.gp-link {
    color: var(--gp-red);
    font-weight: 500;
    text-decoration: none;
}

.gp-link:hover {
    text-decoration: underline;
}

.gp-muted-count {
    font-size: 0.75rem;
    color: var(--gp-card-text-muted);
}

.gp-section-desc {
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--gp-card-text-muted);
}

/* Footer */
.gp-footer {
    background: transparent;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: auto;
}

.gp-footer-inner {
    max-width: 72rem;
    margin: 0 auto;
    padding: 1.25rem 1rem;
    text-align: center;
}

.gp-footer-text {
    margin: 0;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.45);
}

/* Regulation viewer header override */
.gp-reg-header {
    background: var(--gp-navy);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    color: #fff;
}

.gp-reg-header .gp-link {
    color: rgba(255, 255, 255, 0.8);
}

.gp-reg-header .gp-link:hover {
    color: #fff;
    text-decoration: none;
}

.gp-reg-header p {
    color: rgba(255, 255, 255, 0.9);
}

.gp-reg-header .text-gray-500 {
    color: rgba(255, 255, 255, 0.5) !important;
}

/* Recalled documents: withdrawn by the FIA, no longer available at source. */
.gp-recalled-badge {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    background: #ffb300;
    color: #241500;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* List card (dark themed) */
.gp-doc-card.is-recalled {
    border-color: #ffb300;
}

.gp-doc-card.is-recalled::before {
    background: #ffb300;
    transform: scaleY(1);
}

.gp-recalled-note {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    padding: 0.45rem 0.65rem;
    border-radius: 0.5rem;
    background: rgba(255, 179, 0, 0.16);
    border: 1px solid rgba(255, 179, 0, 0.55);
    color: #ffd27a;
    font-size: 0.78rem;
    font-weight: 600;
    line-height: 1.3;
}

/* Detail page banner (dark themed to match the rest of the site) */
.gp-recalled-banner {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    margin-bottom: 1.25rem;
    padding: 0.85rem 1.1rem;
    border-radius: var(--gp-radius);
    background: rgba(255, 179, 0, 0.12);
    border: 1px solid rgba(255, 179, 0, 0.45);
    border-left: 5px solid #e65100;
    color: #ffd27a;
    font-size: 0.95rem;
    line-height: 1.45;
}

.gp-recalled-banner strong {
    color: #ffe0a3;
}

.gp-recalled-banner-meta {
    display: inline-block;
    color: #e6b463;
    font-size: 0.85rem;
}


/* ===================================================================
   News feed
   -------------------------------------------------------------------
   Appended section. Everything here reuses the :root tokens above.

   Tailwind 2 via CDN has no aspect-ratio, line-clamp or arbitrary
   values, so the grid, the fixed-ratio hero and the text clamping are
   all done here; Tailwind stays limited to coarse flex/spacing
   utilities, as on the FIA page.
   =================================================================== */

/* --- Sitewide section nav ---------------------------------------- */
/* The FIA page loses its "I am the homepage" signal when the feed takes
   over `/`, so it gains an explicit link from every page instead. */
.gp-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.gp-nav-link {
    padding: 0.3rem 0.7rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gp-card-chip-text);
    background: var(--gp-card-chip-bg);
    border: 1px solid var(--gp-card-chip-border);
    border-radius: 9999px;
    text-decoration: none;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.gp-nav-link:hover {
    color: #fff;
    border-color: var(--gp-card-hover-border);
}

.gp-nav-link.is-active {
    color: #fff;
    border-color: var(--gp-red);
    background: var(--gp-red-soft);
}

/* A stale pipeline should not keep pulsing "live". */
.gp-status-dot.is-stale {
    background: #f59e0b;
    box-shadow: 0 0 6px rgba(245, 158, 11, 0.6);
    animation: none;
}

/* --- Toolbar ----------------------------------------------------- */
.gp-feed-toolbar {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

/* --- The grid ---------------------------------------------------- */
.gp-feed {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.875rem;
    /* stretch, not start: every card in a row takes the row's height, so the bottom
       edges line up. It is also what makes `.gp-card-actions { margin-top: auto }`
       work - with `start` a card is only as tall as its content, there is no free
       space for the auto margin to consume, and the action row cannot be pinned. */
    align-items: stretch;
}

@media (min-width: 768px) {
    .gp-feed {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .gp-feed {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

/* Decisions span the full width, so they keep the row rhythm of the
   FIA page rather than being squeezed into a grid cell. */
.gp-feed-card--wide {
    grid-column: 1 / -1;
}

/* --- Card shell -------------------------------------------------- */
/* Same surface recipe as .gp-doc-card, including the red hover rail. */
.gp-feed-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--gp-card);
    border: 1px solid var(--gp-card-border);
    border-radius: var(--gp-radius-lg);
    box-shadow: var(--gp-shadow);
    overflow: hidden;
    color: var(--gp-card-text);
    transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.gp-feed-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 3px;
    background: var(--gp-red);
    transform: scaleY(0);
    transform-origin: center;
    transition: transform 0.2s ease;
    z-index: 1;
}

.gp-feed-card:hover {
    border-color: var(--gp-card-hover-border);
    box-shadow: var(--gp-shadow-hover);
    transform: translateY(-2px);
}

.gp-feed-card:hover::before {
    transform: scaleY(1);
}

.gp-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.875rem 1rem 1rem 1.125rem;
    flex: 1 1 auto;
    min-width: 0;
}

/* Pushes the action row to the bottom so ragged grid rows line up. */
.gp-card-actions {
    margin-top: auto;
    padding-top: 0.25rem;
}

/* The document card keeps the FIA page's horizontal layout, so its
   anchor is an inner element rather than the card itself. */
.gp-doc-card-inner {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1rem 1rem 1.125rem;
    text-decoration: none;
    color: inherit;
}

.gp-feed-card--document.is-recalled {
    border-color: rgba(255, 179, 0, 0.45);
}

/* --- Hero image -------------------------------------------------- */
/* A fixed ratio reserved up front means a card never changes height as
   images arrive. */
.gp-hero {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--gp-navy-mid);
    flex-shrink: 0;
}

@supports not (aspect-ratio: 16 / 9) {
    .gp-hero {
        height: 0;
        padding-top: 56.25%;
    }
    .gp-hero-img,
    .gp-hero-placeholder {
        position: absolute;
        inset: 0;
    }
}

.gp-hero-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gp-hero-link {
    display: block;
    width: 100%;
    height: 100%;
}

/* How each kind of image should fit the 16:9 frame. */

/* A page from an FIA PDF: anchor to the top so the heading stays readable
   instead of being cropped out of the middle. */
.gp-hero--document .gp-hero-img {
    object-position: top center;
    background: #fff;
}

/* A driver portrait is a tall headshot. Cropping it like a landscape photo cuts
   the face in half, so contain it and let the card background show through. */
.gp-hero--portrait {
    background: linear-gradient(150deg, var(--gp-navy-mid) 0%, var(--gp-card) 100%);
}

.gp-hero--portrait .gp-hero-img {
    object-fit: contain;
    object-position: center;
}

/* Generated artwork is already the right shape and should not be scaled up. */
.gp-hero--placeholder .gp-hero-img {
    object-fit: contain;
    opacity: 0.85;
}

.gp-hero-credit {
    position: absolute;
    right: 0.375rem;
    bottom: 0.375rem;
    max-width: 80%;
    padding: 0.1rem 0.4rem;
    font-size: 0.625rem;
    color: #e8ecef;
    background: rgba(21, 21, 30, 0.7);
    border-radius: 0.25rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.gp-hero-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    width: 100%;
    height: 100%;
    background: linear-gradient(150deg, var(--gp-navy-mid) 0%, var(--gp-card) 100%);
    color: var(--gp-card-text-muted);
    font-size: 0.6875rem;
    font-weight: 600;
    text-align: center;
    padding: 0 0.75rem;
}

.gp-hero-placeholder img {
    opacity: 0.45;
}

/* --- Card text --------------------------------------------------- */
.gp-story-kicker {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.3rem;
}

.gp-kind-badge {
    display: inline-block;
    padding: 0.1rem 0.45rem;
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--gp-card-chip-text);
    background: var(--gp-card-chip-bg);
    border: 1px solid var(--gp-card-chip-border);
    border-radius: 0.25rem;
}

.gp-kind-badge.is-fia {
    color: #f5c518;
    border-color: rgba(245, 197, 24, 0.45);
}

.gp-story-title {
    font-family: 'Titillium Web', 'Inter', sans-serif;
    font-size: 1.0625rem;
    font-weight: 700;
    line-height: 1.28;
    margin: 0;
    color: var(--gp-card-text);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (min-width: 640px) {
    .gp-story-title {
        font-size: 1.125rem;
    }
}

.gp-story-title a {
    color: inherit;
    text-decoration: none;
}

.gp-story-title a:hover {
    color: #fff;
    text-decoration: underline;
    text-decoration-color: var(--gp-red);
    text-underline-offset: 2px;
}

.gp-story-title--social {
    font-family: 'Inter', sans-serif;
    font-size: 0.9375rem;
    font-weight: 600;
}

.gp-story-meta {
    font-size: 0.75rem;
    color: var(--gp-card-text-muted);
    margin: 0;
}

.gp-story-meta a {
    color: var(--gp-card-text-secondary);
    text-decoration: none;
}

.gp-story-meta a:hover {
    color: #fff;
    text-decoration: underline;
}

.gp-story-summary {
    font-size: 0.8125rem;
    line-height: 1.5;
    color: var(--gp-card-text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.gp-story-summary p {
    margin: 0;
}

/* On a detail page there is no reason to clamp. */
.gp-story-summary--detail {
    display: block;
    font-size: 1rem;
    color: var(--gp-card-text);
    overflow: visible;
}

/* The "why this source?" hint uses a native title attribute - there is
   no tooltip library on this site. */
.gp-why {
    border-bottom: 1px dotted var(--gp-card-text-muted);
    cursor: help;
}

/* "last updated" on a story card. Deliberately quieter than the break time next to
   it: the position and the first timestamp say how old the news is, and this is the
   footnote explaining why an older story is still on the page. */
.gp-updated {
    color: var(--gp-card-text-muted);
}

/* --- Source badges ----------------------------------------------- */
.gp-src-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.25rem;
}

.gp-src-group-label {
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--gp-card-text-muted);
    margin-right: 0.15rem;
}

.gp-src-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    padding: 0.15rem 0.45rem;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--gp-card-chip-text);
    background: var(--gp-card-chip-bg);
    border: 1px solid var(--gp-card-chip-border);
    border-radius: 9999px;
    text-decoration: none;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.gp-src-badge:hover {
    color: #fff;
    border-color: var(--gp-card-hover-border);
}

.gp-src-badge.is-hero {
    border-color: var(--gp-red);
    color: #fff;
}

.gp-src-badge.is-fia {
    color: #f5c518;
    border-color: rgba(245, 197, 24, 0.45);
}

.gp-src-lock {
    font-size: 0.5625rem;
    opacity: 0.8;
}

/* --- Live update banner ------------------------------------------ */
.gp-feed-banner {
    position: sticky;
    top: 0.5rem;
    z-index: 20;
    display: flex;
    justify-content: center;
    margin-bottom: 0.75rem;
}

.gp-feed-banner[hidden] {
    display: none;
}

.gp-feed-banner-btn {
    padding: 0.4rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: #fff;
    background: var(--gp-red);
    border: none;
    border-radius: 9999px;
    box-shadow: var(--gp-shadow-hover);
    cursor: pointer;
}

@media (prefers-reduced-motion: no-preference) {
    .gp-feed-card.is-new {
        animation: gp-fade-in 0.35s ease;
    }
}

@keyframes gp-fade-in {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: none; }
}

/* --- Story detail ------------------------------------------------ */
.gp-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.375rem;
    margin-bottom: 0.75rem;
    font-size: 0.75rem;
    color: var(--gp-card-text-muted);
}

.gp-breadcrumb a {
    color: var(--gp-card-text-secondary);
    text-decoration: none;
}

.gp-breadcrumb a:hover {
    color: #fff;
    text-decoration: underline;
}

.gp-story-hero {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: var(--gp-radius) var(--gp-radius) 0 0;
    background: var(--gp-navy-mid);
}

.gp-story-hero img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gp-story-hero--document img {
    object-position: top center;
    background: #fff;
}

.gp-story-hero--portrait,
.gp-story-hero--placeholder {
    background: linear-gradient(150deg, var(--gp-navy-mid) 0%, var(--gp-card) 100%);
}

.gp-story-hero--portrait img,
.gp-story-hero--placeholder img {
    object-fit: contain;
}

.gp-story-approach p {
    margin: 0 0 0.5rem;
    color: var(--gp-card-text-secondary);
    line-height: 1.55;
}

.gp-member-row {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--gp-card-border);
}

.gp-member-row:last-child {
    border-bottom: none;
}

.gp-member-row--document {
    align-items: flex-start;
}

.gp-feed-footnote {
    margin-top: 1.25rem;
    font-size: 0.75rem;
    color: var(--gp-card-text-muted);
    text-align: center;
}

/* Offline fallback page (served by the service worker). Deliberately plain: it has
   to render from the precache with no network, so it leans only on the base
   stylesheet and adds no assets of its own. */
.gp-offline {
    max-width: 32rem;
    margin: 3rem auto;
    text-align: center;
}

.gp-offline-text {
    margin: 1rem 0 1.75rem;
    color: var(--gp-card-text-secondary);
    line-height: 1.6;
}

.gp-offline-retry {
    padding: 0.6rem 1.4rem;
    border: 1px solid var(--gp-card-border);
    border-radius: var(--gp-radius);
    background: var(--gp-card);
    color: var(--gp-card-text);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

.gp-offline-retry:hover {
    border-color: var(--gp-card-hover-border);
    background: var(--gp-navy-mid);
}