:root {
    --primary: #13294b;
    --primary-dark: #0c1b33;
    --primary-hover: #1d3b6b;
    --accent: #b45309;
    --accent-bright: #d97706;
    --bg-page: #f7f8fa;
    --bg-surface: #ffffff;
    --bg-subtle: #eef1f5;
    --ink: #0f172a;
    --ink-body: #334155;
    --gray: #64748b;
    --border: #e2e8f0;
    --border-strong: #cbd5e1;
    --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, monospace;
    --radius-sm: 6px;
    --radius-md: 8px;
    --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background: var(--bg-page);
    color: var(--ink-body);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    color: var(--ink);
    letter-spacing: -0.02em;
}

.container {
    width: 90%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 16px;
}

/* Header */
header {
    background: var(--primary-dark);
    color: #ffffff;
    padding: 3rem 0 2.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.directory-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 1.35rem;
}

.directory-brand img {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    object-fit: cover;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: #ffffff;
}

header h1 {
    color: #ffffff;
    font-size: clamp(1.85rem, 3.6vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 0.45rem;
}

header p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.78);
    max-width: 580px;
}

/* Main Content */
.directory-main {
    padding: 3.5rem 16px 4.5rem;
}

.directory-groups {
    display: grid;
    gap: 2.5rem;
}

.directory-division > h2 {
    font-size: 1.35rem;
    color: var(--primary-dark);
    padding-bottom: 0.65rem;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-strong);
}

.division-members {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: 1.25rem;
}

.directory-member {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    padding: 1.25rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xs);
    transition: border-color 0.2s ease;
    height: 100%;
}

.directory-member:hover {
    border-color: var(--border-strong);
}

.directory-photo {
    flex: 0 0 72px;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    overflow: hidden;
    border: 1px solid var(--border-strong);
    background: var(--bg-subtle);
}

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

.directory-details h3 {
    color: var(--ink);
    font-size: 1.05rem;
    font-weight: 700;
}

.directory-position {
    margin-top: 0.2rem;
    color: var(--accent);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.88rem;
}

.directory-period {
    margin-top: 0.25rem;
    color: var(--gray);
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.directory-duties {
    margin-top: 0.55rem;
    color: var(--ink-body);
    font-size: 0.9rem;
    line-height: 1.55;
}

.content-status {
    padding: 2rem;
    text-align: center;
    color: var(--gray);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

/* Back Button */
.back-button-container {
    margin-top: 3rem;
}

.back-button {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    background: var(--primary);
    color: #ffffff;
    padding: 0.72rem 1.35rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.92rem;
    transition: background-color 0.2s ease;
}

.back-button:hover {
    background: var(--primary-hover);
}

/* Footer */
footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 2rem 0;
    font-size: 0.88rem;
}

footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.admin-link {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: underline;
    text-underline-offset: 4px;
}

.admin-link:hover {
    color: #ffffff;
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--accent-bright);
    outline-offset: 2px;
}

@media (max-width: 640px) {
    header {
        padding: 2.25rem 0;
    }

    .division-members {
        grid-template-columns: 1fr;
    }
}