/* ── Full-Bleed Section Canvas & Tactical Background Texture ─────────── */
.credentials-main {
    width: 100%;
    min-height: calc(100vh - 12rem);
    background-color: var(--surface-depth-teal);
    background-image:
        radial-gradient(circle at 1px 1px, color-mix(in srgb, var(--color-border) 45%, transparent) 1px, transparent 0);
    background-size: 24px 24px;
    padding-top: clamp(2rem, 4vh, 3.5rem);
    padding-bottom: 5rem;
}

.credentials-page-shell {
    width: min(100% - (2 * var(--page-padding, 1.25rem)), 78rem);
    margin-inline: auto;
}

/* ── Page Hero Header ───────────── */
.credentials-hero {
    padding-top: clamp(4.5rem, 9vh, 8rem);
    padding-bottom: 0;
}

.page-hero__header {
    max-width: 44rem;
    margin-bottom: clamp(3rem, 6vh, 5.5rem);
}

.page-hero__eyebrow {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-accent-bright);
    margin-bottom: 0.75rem;
}

.page-hero__title {
    font-size: clamp(3.25rem, 7vw, 4.5rem);
    font-weight: 600;
    line-height: 1.05;
    letter-spacing: -0.025em;
    color: var(--color-text);
    margin: 0 0 1.25rem 0;
}

.page-hero__lead {
    font-size: clamp(1.2rem, 2.5vw, 1.45rem);
    color: var(--color-text-muted);
    line-height: 1.45;
    margin: 0;
}

/* --------------------------------------------------------------------------
   Filter & Controls Bar
   -------------------------------------------------------------------------- */
.cred-controls {
    display: grid;
    gap: 1.25rem;
    margin-top: 1.75rem;
    margin-bottom: 2.25rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.cred-search-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.cred-search-field {
    position: relative;
    flex: 1;
    min-width: 16rem;
    max-width: 32rem;
}

.cred-search-field input {
    width: 100%;
    padding: 0.65rem 0.9rem;
    font-family: var(--font-sans);
    font-size: 0.92rem;
    color: var(--color-text);
    background: color-mix(in srgb, var(--color-bg-secondary) 60%, var(--color-surface) 40%);
    border: 1px solid var(--border);
    border-radius: 2px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.cred-search-field input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-accent) 25%, transparent);
}

.cred-filter-groups {
    display: grid;
    gap: 1rem;
}

.filter-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem 0.6rem;
}

.filter-group__title {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin-right: 0.4rem;
    min-width: 4.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

/* Type info button */
.type-info-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.2rem;
    height: 1.2rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--color-accent);
    background: transparent;
    border: 1px solid var(--color-accent);
    border-radius: 50%;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color 0.15s ease, background-color 0.15s ease;
}

.type-info-btn:hover,
.type-info-btn[aria-expanded="true"] {
    color: #fff;
    background: var(--color-accent);
}

.type-info-btn:focus-visible {
    outline: 2px solid var(--color-accent-bright);
    outline-offset: 2px;
}

/* Type Tooltip */
.type-tooltip {
    grid-column: 1 / -1;
    padding: 1.25rem 1.5rem;
    background: var(--color-surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--color-accent);
    border-radius: 2px;
    max-width: 52rem;
}

.type-tooltip[hidden] {
    display: none;
}

.type-tooltip__list {
    display: grid;
    gap: 0.9rem;
    margin: 0;
}

.type-tooltip__item dt {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text);
    margin-bottom: 0.2rem;
}

.type-tooltip__item dd {
    font-family: var(--font-sans);
    font-size: 0.86rem;
    line-height: 1.5;
    color: var(--color-text-muted, var(--muted));
    margin: 0;
}

.filter-btn {
    padding: 0.35rem 0.7rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--muted);
    background: transparent;
    border: 1px solid transparent;
    border-radius: 2px;
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
    text-decoration: none;
}

.filter-btn:hover {
    color: var(--color-text);
    border-color: color-mix(in srgb, var(--border) 80%, var(--color-accent) 20%);
}

.filter-btn[aria-pressed="true"] {
    color: var(--color-accent-bright, var(--color-accent));
    background: color-mix(in srgb, var(--color-accent-deep) 15%, transparent);
    border-color: var(--color-accent);
    font-weight: 600;
}

/* Light mode filter button fix */
[data-theme="light"] .filter-btn[aria-pressed="true"] {
    color: var(--color-accent);
    background: color-mix(in srgb, var(--color-accent) 10%, transparent);
    border-color: var(--color-accent);
}

.cred-status-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 0.5rem;
}

.result-count {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    color: var(--muted);
    text-transform: uppercase;
}

.cred-sort-control {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.cred-sort-control select {
    max-width: min(16rem, 72vw);
    padding: 0.35rem 0.55rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--color-text);
    background: color-mix(in srgb, var(--color-bg-secondary) 60%, var(--color-surface) 40%);
    border: 1px solid var(--border);
    border-radius: 2px;
}

.cred-sort-control select:focus-visible {
    outline: 2px solid var(--color-accent-bright);
    outline-offset: 2px;
    border-color: var(--color-accent);
}

.clear-filters-btn {
    padding: 0.3rem 0.6rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--color-accent);
    background: transparent;
    border: 1px dashed var(--color-accent);
    border-radius: 2px;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.clear-filters-btn:hover {
    background: color-mix(in srgb, var(--color-accent-deep) 20%, transparent);
}

/* --------------------------------------------------------------------------
   Group Sections & Headings
   -------------------------------------------------------------------------- */
.cred-group-section {
    margin-bottom: 3.5rem;
}

.cred-group-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.cred-group-title {
    font-family: var(--font-mono);
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text);
    margin: 0;
    white-space: nowrap;
}

.cred-group-line {
    flex: 1;
    height: 1px;
    background: color-mix(in srgb, var(--border) 70%, transparent);
}

.cred-group-subtitle {
    font-family: var(--font-sans);
    font-size: 0.88rem;
    color: var(--muted);
    margin-top: -0.75rem;
    margin-bottom: 1.5rem;
}

/* --------------------------------------------------------------------------
   Responsive Gallery Grid
   Desktop: 4 columns | Large tablet: 3 | Tablet: 2 | Mobile: 1
   -------------------------------------------------------------------------- */
.cred-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    padding-top: 0.75rem;
    padding-bottom: 1.5rem;
}

@media (max-width: 1100px) {
    .cred-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .cred-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
    .cred-grid { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------------
   Card Link Wrapper
   The <a> element wraps the card and handles all navigation semantics.
   -------------------------------------------------------------------------- */
.cred-card-link {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    border-radius: 2px;
    outline: none;
    transition: transform 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

.cred-card-link:focus-visible {
    outline: 2px solid var(--color-accent-bright);
    outline-offset: 2px;
}

.cred-card-link--expired {
    opacity: 0.75;
    filter: grayscale(0.2);
}

/* --------------------------------------------------------------------------
   Minimal Credential Card
   -------------------------------------------------------------------------- */
.cred-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 1.25rem;
    background: var(--surface-depth-card);
    border: 1px solid var(--border);
    border-radius: 2px;
    cursor: pointer;
    transition: border-color 300ms ease, background-color 300ms ease, box-shadow 300ms ease;
}

.cred-card-link:hover .cred-card {
    border-color: var(--color-accent-bright);
    background: color-mix(in srgb, var(--surface-depth-card) 90%, var(--color-accent-deep) 10%);
    box-shadow: 0 8px 24px -4px color-mix(in srgb, var(--color-accent-bright) 25%, transparent),
                0 12px 24px -6px rgba(0, 0, 0, 0.35);
}

.cred-card-link:hover {
    transform: translateY(-3px);
    position: relative;
    z-index: 10;
}

.cred-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.cred-card__issuer-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: color-mix(in srgb, var(--color-bg-secondary) 80%, transparent);
    border: 1px solid var(--border);
    border-radius: 2px;
    color: var(--color-accent);
}

.cred-card__badges {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem;
}

/* --------------------------------------------------------------------------
   Badges - dark mode base + explicit light mode overrides
   -------------------------------------------------------------------------- */
.cred-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.45rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-radius: 2px;
    border: 1px solid transparent;
}

/* CURRENT */
.cred-badge--rank {
    color: var(--color-text);
    background: color-mix(in srgb, var(--color-bg-secondary) 75%, transparent);
    border-color: var(--border);
}

.cred-badge--rank-3 {
    color: var(--color-accent-bright);
    background: color-mix(in srgb, var(--color-accent-deep) 20%, transparent);
    border-color: var(--color-accent-bright);
}

.cred-badge--rank-2 {
    color: var(--color-accent);
    background: color-mix(in srgb, var(--color-accent-deep) 12%, transparent);
    border-color: color-mix(in srgb, var(--color-accent) 70%, transparent);
}

.cred-badge--rank-1 {
    color: var(--color-text);
    background: color-mix(in srgb, var(--color-bg-secondary) 70%, transparent);
    border-color: var(--border);
}

[data-theme="light"] .cred-badge--rank-3,
[data-theme="light"] .cred-badge--rank-2 {
    color: var(--color-accent);
    background: color-mix(in srgb, var(--color-accent) 10%, transparent);
    border-color: var(--color-accent);
}

[data-theme="light"] .cred-badge--rank-1 {
    color: var(--color-text);
    background: color-mix(in srgb, var(--color-bg-secondary) 55%, transparent);
    border-color: var(--border);
}

.cred-badge--current {
    color: #4ade80;
    background: color-mix(in srgb, #166534 25%, transparent);
    border-color: color-mix(in srgb, #22c55e 40%, transparent);
}

[data-theme="light"] .cred-badge--current {
    color: #166534;
    background: color-mix(in srgb, #22c55e 12%, transparent);
    border-color: color-mix(in srgb, #166534 50%, transparent);
}

/* EXPIRED */
.cred-badge--expired {
    color: #fb7185;
    background: color-mix(in srgb, #9f1239 25%, transparent);
    border-color: color-mix(in srgb, #f43f5e 40%, transparent);
}

[data-theme="light"] .cred-badge--expired {
    color: #9f1239;
    background: color-mix(in srgb, #f43f5e 10%, transparent);
    border-color: color-mix(in srgb, #9f1239 50%, transparent);
}

.cred-card__body {
    flex: 1;
    margin-bottom: 1rem;
}

.cred-card__issuer {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    margin: 0 0 0.35rem 0;
}

.cred-card__title {
    font-family: var(--font-sans);
    font-size: 1.02rem;
    font-weight: 600;
    line-height: 1.35;
    color: var(--color-text);
    margin: 0 0 0.5rem 0;
}

.cred-card__meta-line {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--muted);
    margin: 0;
}

.cred-card__footer {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding-top: 0.85rem;
    border-top: 1px solid color-mix(in srgb, var(--border) 60%, transparent);
}

.cred-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

/* Domain tags - light mode readability fix */
.cred-card__tag {
    display: inline-block;
    padding: 0.15rem 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--muted);
    background: color-mix(in srgb, var(--color-bg-secondary) 80%, transparent);
    border: 1px solid var(--border);
    border-radius: 2px;
}

[data-theme="light"] .cred-card__tag {
    color: var(--color-text);
    background: color-mix(in srgb, var(--color-bg-secondary) 60%, transparent);
    border-color: var(--border);
}

.cred-card__action-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.cred-card__year {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--muted);
}

.cred-card__action {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--color-accent);
    white-space: nowrap;
    transition: color 0.15s ease;
}

.cred-card-link:hover .cred-card__action {
    color: var(--color-accent-bright);
}

/* Empty State */
.cred-empty-state {
    padding: 3rem 1.5rem;
    text-align: center;
    background: var(--color-surface);
    border: 1px dashed var(--border);
    border-radius: 2px;
    margin-block: 2rem;
}

.cred-empty-state p {
    color: var(--muted);
    margin-bottom: 1rem;
}

/* --------------------------------------------------------------------------
   Shared Credential Buttons (used on detail pages too)
   -------------------------------------------------------------------------- */
.cred-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    border-radius: 2px;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.cred-btn--primary {
    background: var(--color-accent-deep);
    color: #ffffff;
    border-color: var(--color-accent);
}

.cred-btn--primary:hover {
    background: var(--color-accent);
    color: #ffffff;
}

.cred-btn--secondary {
    background: color-mix(in srgb, var(--color-bg-secondary) 80%, transparent);
    color: var(--color-text);
    border-color: var(--border);
}

.cred-btn--secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent-bright);
}

[data-theme="light"] .cred-btn--secondary:hover {
    color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Status Indicator Dot (used on detail pages)
   -------------------------------------------------------------------------- */
.cred-status-indicator {
    display: inline-block;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    margin-right: 0.35rem;
    vertical-align: middle;
}

.cred-status-indicator--current {
    background: #22c55e;
    box-shadow: 0 0 6px #22c55e;
}

.cred-status-indicator--expired {
    background: #ef4444;
}

[data-theme="light"] .cred-status-indicator--current {
    background: #16a34a;
    box-shadow: 0 0 4px rgba(22, 163, 74, 0.4);
}

[data-theme="light"] .cred-status-indicator--expired {
    background: #dc2626;
}