body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    line-height: 1.75;
    color: #23364d;
    background: #f7f8fa;
}

.site-header {
    background: #0f3b5c;
    color: white;
    padding: 10px 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.site-header-inner {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.site-logo-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 3;
}

.site-logo {
    width: 100%;
    max-width: 360px;
    height: 140px;
    background: #fff;
    border-radius: 10px;
    flex-shrink: 0;
    overflow: hidden;
    padding: 12px;
    box-sizing: border-box;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.site-logo-image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    box-sizing: border-box;
    background: #fff;
}

.page-content {
    max-width: 820px;
    margin: 20px auto 40px;
    padding: 30px 32px 42px;
    background: #fbfbfd;
    border-radius: 14px;
    box-shadow: 0 2px 8px rgba(15, 59, 92, 0.06);
    border: 1px solid #e6ebf3;
    min-height: calc(100vh - 180px);
}

nav {
    margin-bottom: 28px;
    border-bottom: 1px solid #d9e1ec;
    padding-bottom: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px 18px;
}

nav a {
    text-decoration: none;
    color: #1a4a8a;
    font-weight: 600;
    display: inline-block;
    padding: 2px 0;
    border-radius: 0;
    transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

nav a:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
    background: transparent;
}

nav a.active {
    color: #0f3b5c;
    text-decoration: none;
    background: transparent;
    box-shadow: none;
    border-bottom: 2px solid #1a4a8a;
    padding-bottom: 4px;
}

h1 {
    font-size: 30px;
    margin: 0 0 12px;
    color: #0f3b5c;
}

h2 {
    margin: 26px 0 12px;
    font-size: 24px;
    color: #0f3b5c;
}

h3 {
    margin: 20px 0 10px;
    color: #1a4a8a;
}

.meeting-list {
    display: grid;
    gap: 16px;
    margin-top: 14px;
}

.meeting-card {
    padding: 20px 22px;
    border: 1px solid #dce5f0;
    border-left: 4px solid #1a7c78;
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 0 1px 3px rgba(15, 59, 92, 0.05);
}

.meeting-card p:last-child,
.meeting-card ul:last-child {
    margin-bottom: 0;
}

.meeting-number {
    margin: 0 0 4px;
    color: #1a7c78;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
}

.meeting-title {
    margin: 0 0 4px;
    color: #0f3b5c;
    font-size: 1.2rem;
    line-height: 1.4;
}

.meeting-date {
    margin: 0 0 14px;
    color: #51647a;
}

.slides-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    max-width: 100%;
    margin: 4px 0 16px;
    padding: 8px 16px 8px 8px;
    border: 1px solid #cbd9e4;
    border-radius: 8px;
    background: #f4f8fa;
    color: #0f3b5c;
    font-weight: 700;
    line-height: 1.35;
    text-decoration: none;
    transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.slides-link:hover {
    border-color: #1a7c78;
    background: #eaf4f3;
    transform: translateY(-1px);
}

.slides-link:focus-visible {
    outline: 3px solid #1a7c78;
    outline-offset: 3px;
}

.slides-preview {
    display: block;
    width: 92px;
    height: 58px;
    flex: 0 0 auto;
    border-radius: 4px;
    object-fit: cover;
}

.external-resource-preview {
    display: block;
    width: 220px;
    height: 220px;
    flex: 0 0 auto;
    border-radius: 4px;
    object-fit: contain;
    background: #ffffff;
}

.external-resource-entry {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 14px;
}

.external-resource-link {
    display: flex;
    width: min(100%, 440px);
    box-sizing: border-box;
    flex: 0 1 440px;
    margin: 0;
}

.external-resource-link > span {
    min-width: 0;
}

.external-resource-description {
    flex: 1;
    max-width: 38rem;
    margin: 0;
    color: #51647a;
}

@media (max-width: 700px) {
    .external-resource-entry {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .external-resource-link {
        flex: 0 0 auto;
    }
}

@media (max-width: 480px) {
    .external-resource-link {
        flex-direction: column;
        align-items: center;
        width: min(100%, 280px);
    }

    .external-resource-preview {
        width: min(220px, 100%);
        height: auto;
        aspect-ratio: 1;
    }
}

.slides-format {
    display: inline-block;
    margin-left: 4px;
    padding: 2px 6px;
    border-radius: 4px;
    background: #0f3b5c;
    color: #fff;
    font-size: 0.7rem;
    vertical-align: 2px;
}

.spotlight-card-list {
    display: grid;
    gap: 16px;
    margin-top: 20px;
}

.spotlight-card {
    background: #ffffff;
    border: 1px solid #dce5f0;
    border-radius: 14px;
    padding: 18px 20px;
    box-shadow: 0 1px 3px rgba(15, 59, 92, 0.05);
}

.spotlight-card:hover {
    border-color: #b8c9dd;
    box-shadow: 0 4px 12px rgba(15, 59, 92, 0.08);
}

.spotlight-tag {
    display: inline-block;
    margin-bottom: 10px;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #1a4a8a;
    text-transform: uppercase;
}

.spotlight-title {
    margin: 0 0 6px;
    font-size: 1.35rem;
    line-height: 1.35;
    color: #0f3b5c;
}

.spotlight-author {
    margin: 0 0 10px;
    font-size: 0.98rem;
    color: #51647a;
    font-weight: 600;
}

.spotlight-description {
    margin: 0 0 14px;
}

.spotlight-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #1a4a8a;
    font-weight: 700;
    text-decoration: none;
}

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

.submission-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 720px;
    margin: 20px 0 12px;
    padding: 20px;
    border: 1px solid #e3eaf3;
    border-radius: 16px;
    background: linear-gradient(135deg, #f8f9fc 0%, #eef3f8 100%);
}

.submission-form label {
    font-weight: 700;
    color: #0f3b5c;
}

.submission-form input,
.submission-form select,
.submission-form textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 10px 12px;
    border: 1px solid #cbd9ea;
    border-radius: 10px;
    font: inherit;
    color: #23364d;
}

.submission-form textarea {
    min-height: 110px;
    resize: vertical;
}

.submission-form button {
    align-self: flex-start;
    border: none;
    border-radius: 999px;
    padding: 10px 16px;
    background: linear-gradient(135deg, #1a4a8a 0%, #2b6dcb 100%);
    color: #ffffff;
    font-weight: 700;
    cursor: pointer;
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    color: #23364d;
    cursor: pointer;
    margin: 10px 0 10px;
    flex-wrap: wrap;
}

.checkbox-row input {
    flex-shrink: 0;
    width: auto;
    margin: 0;
    cursor: pointer;
}

.submission-form button:hover {
    filter: brightness(1.05);
}

.form-note {
    margin-top: 0;
    font-size: 0.95em;
    color: #55657a;
}

.form-success {
    display: none;
    margin-top: 8px;
    padding: 12px 14px;
    border-radius: 10px;
    background: #edf7ee;
    color: #2a6139;
    border: 1px solid #c9e3cf;
    font-weight: 600;
}

ul {
    padding-left: 20px;
}

li {
    margin-bottom: 8px;
}

a {
    color: #1a4a8a;
}

a:hover {
    text-decoration: underline;
}

p {
    margin: 0 0 16px;
}

@media (max-width: 720px) {
    .site-header {
        padding: 8px 12px 0;
    }

    .site-header-inner {
        padding-bottom: 32px;
    }

    .page-content {
        padding: 42px 20px 32px;
        margin: 0 12px 32px;
    }

    .site-logo {
        max-width: 300px;
        height: 116px;
        margin-bottom: -18px;
    }

    nav {
        gap: 4px 14px;
    }
}