/* site/css/shell.css */
* {
    box-sizing: border-box;
}
body {
    margin: 0;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-color);
}

@keyframes annealBlink {
    0%,
    49% {
        opacity: 1;
    }
    50%,
    100% {
        opacity: 0;
    }
}
.anneal-logo {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 22px;
    letter-spacing: -0.03em;
    display: inline-flex;
    align-items: center;
    color: var(--text-loud);
    text-decoration: none;
}
.anneal-logo .caret {
    display: inline-block;
    width: 8px;
    height: 19px;
    margin-left: 3px;
    border-radius: 1px;
    background: var(--accent);
    animation: annealBlink 1.1s step-end infinite;
}
@media (prefers-reduced-motion: reduce) {
    .anneal-logo .caret {
        animation: none;
    }
}

.site-header nav a {
    color: var(--text-secondary);
    text-decoration: none;
}
.site-header nav a[aria-current="page"] {
    color: var(--accent);
}
.site-footer {
    padding: var(--space-4);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.85rem;
}
main {
    max-width: 960px;
    margin: 0 auto;
    padding: var(--space-5) var(--space-4);
}
main a,
.site-footer a {
    color: var(--accent);
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: var(--accent-quiet);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}
main a:hover,
.site-footer a:hover {
    color: var(--accent-hover);
    text-decoration-color: var(--accent-hover);
}
.callout {
    background: var(--bg-secondary);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    padding: var(--space-3);
    margin: var(--space-4) 0;
}
.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-3);
}
.case-card {
    display: block;
    padding: var(--space-3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    text-decoration: none;
}
.case-card:hover {
    border-color: var(--accent);
}
.case-card h3 {
    margin-top: 0;
}
.replay-branch-controls {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}
.replay-branch-controls button {
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: var(--radius);
    cursor: pointer;
}

.nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--space-3);
}

.nav-dropdown {
    position: relative;
}

.dropdown-toggle {
    font: inherit;
    color: var(--text-secondary);
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    cursor: pointer;
}

.nav-dropdown:hover .dropdown-toggle {
    color: var(--text-primary);
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    list-style: none;
    margin: var(--space-1) 0 0;
    padding: var(--space-2) 0;
    min-width: 200px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}

/* Show dropdown on hover */
.nav-dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu a {
    display: block;
    padding: var(--space-2) var(--space-3);
    color: var(--text-secondary);
    text-decoration: none;
    font: inherit;
}

.dropdown-menu a:hover,
.dropdown-menu a[aria-current="page"] {
    color: var(--accent);
    background: var(--bg-tertiary);
}