/* Scoped guestbook styles to avoid overriding WordPress/theme layout. */
.gb-page {
    --gb-text: #111827;
    --gb-muted: #4b5563;
    --gb-border: #d1d5db;
    --gb-panel: #ffffff;
    --gb-bg-start: #c8d7e4;
    --gb-bg-end: #b0c2d2;
    --gb-accent: #2d6cdf;
    --gb-accent-hover: #1f56ba;
    --gb-danger: #dc3545;

    color: var(--gb-text);
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.gb-page,
.gb-page * {
    box-sizing: border-box;
}

.gb-page .gb-container {
    max-width: 1280px;
    margin: 0 0 0 auto;
    padding: 24px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--gb-bg-start) 0%, var(--gb-bg-end) 100%);
}

.gb-page .gb-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 190px;
    gap: 18px;
    align-items: start;
}

.gb-page .gb-ads-column {
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: sticky;
    top: 20px;
    align-self: start;
}

.gb-page .gb-ad-slot {
    min-height: 130px;
    padding: 14px;
    border: 1px dashed #9db7d7;
    border-radius: 10px;
    background: linear-gradient(180deg, #ffffff 0%, #f6fbff 100%);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.05);
}

.gb-page .gb-ad-badge {
    display: inline-block;
    margin-bottom: 10px;
    padding: 4px 8px;
    border-radius: 999px;
    background: rgba(45, 108, 223, 0.12);
    color: var(--gb-accent);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.gb-page .gb-ad-slot strong {
    display: block;
    margin-bottom: 8px;
    font-size: 1.05rem;
}

.gb-page .gb-ad-slot p {
    margin: 0;
    color: var(--gb-muted);
    line-height: 1.5;
}

.gb-page .gb-recent-panel {
    max-height: var(--gb-recent-panel-max-height, min(78vh, 820px));
    padding: 14px;
    border: 1px solid #d9e3ee;
    border-radius: 12px;
    background: linear-gradient(180deg, #ffffff 0%, #f4f8fc 100%);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
    overflow: hidden;
}

.gb-page .gb-recent-panel-header {
    margin-bottom: 12px;
}

.gb-page .gb-recent-kicker {
    display: inline-block;
    margin-bottom: 6px;
    padding: 4px 8px;
    border-radius: 999px;
    background: rgba(45, 108, 223, 0.12);
    color: var(--gb-accent);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.gb-page .gb-recent-panel h2 {
    margin: 0 0 6px;
    font-size: 1.05rem;
}

.gb-page .gb-recent-panel p {
    margin: 0;
    color: var(--gb-muted);
    font-size: 0.88rem;
    line-height: 1.45;
}

.gb-page .gb-recent-search {
    width: 100%;
    margin: 0 0 12px;
    padding: 10px 12px;
    border: 1px solid #c8d3df;
    border-radius: 999px;
    background: #fff;
    font-size: 0.88rem;
}

.gb-page .gb-recent-search:focus {
    outline: none;
    border-color: var(--gb-accent);
    box-shadow: 0 0 0 3px rgba(45, 108, 223, 0.2);
}

.gb-page .gb-recent-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: var(--gb-recent-list-max-height, calc(min(78vh, 820px) - 150px));
    overflow-y: auto;
    padding-right: 4px;
}

.gb-page .gb-recent-item {
    display: block;
    padding: 12px;
    border: 1px solid #dfe7f0;
    border-radius: 10px;
    background: #fff;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.gb-page .gb-recent-item:hover,
.gb-page .gb-recent-item:focus {
    border-color: #9db7d7;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.1);
    transform: translateY(-1px);
}

.gb-page .gb-recent-author,
.gb-page .gb-recent-date,
.gb-page .gb-recent-excerpt {
    display: block;
}

.gb-page .gb-recent-author {
    margin-bottom: 4px;
    color: var(--gb-text);
    font-size: 0.92rem;
    font-weight: 700;
}

.gb-page .gb-recent-date {
    margin-bottom: 6px;
    color: var(--gb-muted);
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.gb-page .gb-recent-excerpt {
    color: var(--gb-text);
    font-size: 0.84rem;
    line-height: 1.45;
    word-break: break-word;
}

.gb-page .gb-recent-empty {
    padding: 14px 0 4px;
    color: var(--gb-muted);
    font-size: 0.88rem;
}

.gb-page .gb-recent-empty-hidden {
    display: none;
}

.gb-page .gb-content {
    width: 100%;
    justify-self: start;
}

.gb-page .gb-form-wrapper,
.gb-page .gb-entry,
.gb-page .guestbook-form-container {
    background-color: var(--gb-panel);
    border-radius: 8px;
    padding: 18px;
    margin-bottom: 16px;
    border: 1px solid #d9e3ee;
    box-shadow: 0 3px 10px rgba(15, 23, 42, 0.06);
}

.gb-page .gb-section-title,
.gb-page .guestbook-form-container h2 {
    margin: 0 0 12px;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--gb-text);
}

.gb-page .gb-form .gb-field,
.gb-page .guestbook-form-container form > div {
    margin-bottom: 12px;
}

.gb-page .gb-form label,
.gb-page .guestbook-form-container label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gb-text);
}

.gb-page .gb-form input[type="text"],
.gb-page .gb-form input[type="email"],
.gb-page .gb-form input[type="url"],
.gb-page .gb-form textarea,
.gb-page .guestbook-form-container input[type="text"],
.gb-page .guestbook-form-container input[type="email"],
.gb-page .guestbook-form-container input[type="url"],
.gb-page .guestbook-form-container textarea {
    width: 100%;
    margin: 0;
    padding: 10px 12px;
    border: 1px solid #c8d3df;
    border-radius: 6px;
    font-size: 0.92rem;
    line-height: 1.3;
    background-color: #f9fafb;
    color: var(--gb-text);
}

.gb-page .gb-form textarea,
.gb-page .guestbook-form-container textarea {
    min-height: 105px;
    resize: vertical;
}

.gb-page .gb-form input:focus,
.gb-page .gb-form textarea:focus,
.gb-page .guestbook-form-container input:focus,
.gb-page .guestbook-form-container textarea:focus {
    outline: none;
    border-color: var(--gb-accent);
    box-shadow: 0 0 0 3px rgba(45, 108, 223, 0.2);
    background-color: #fff;
}

.gb-page .gb-required,
.gb-page .required {
    color: var(--gb-danger);
    font-weight: 700;
}

.gb-page .gb-actions,
.gb-page .guestbook-form-container form > div:last-child {
    margin-top: 6px;
}

.gb-page .gb-form button[type="submit"],
.gb-page .gb-admin-form button,
.gb-page .guestbook-form-container input[type="submit"],
.gb-page .guestbook-form-container button[type="submit"] {
    appearance: none;
    border: 0;
    border-radius: 6px;
    background: var(--gb-accent);
    color: #fff;
    padding: 9px 14px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    line-height: 1.2;
}

.gb-page .gb-form button[type="submit"]:hover,
.gb-page .gb-admin-form button:hover,
.gb-page .guestbook-form-container input[type="submit"]:hover,
.gb-page .guestbook-form-container button[type="submit"]:hover {
    background: var(--gb-accent-hover);
}

.gb-page #captcha_image,
.gb-page .guestbook-form-container img {
    display: block;
    margin-top: 10px;
    border: 1px solid var(--gb-border);
    border-radius: 8px;
    max-width: 220px;
    height: auto;
}

.gb-page .guestbook-form-container a,
.gb-page .gb-entry a,
.gb-page .gb-pagination a,
.gb-page .gb-link a {
    color: var(--gb-accent);
}

.gb-page .gb-admin-form {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.gb-page .gb-admin-form input[type="password"] {
    min-width: 180px;
    padding: 9px 10px;
    border: 1px solid var(--gb-border);
    border-radius: 8px;
}

.gb-page .gb-entry-message {
    margin-top: 10px;
    color: var(--gb-text);
    line-height: 1.55;
    word-break: break-word;
}

.gb-page .gb-no-entries {
    background: #fff;
    border: 1px dashed var(--gb-border);
    border-radius: 10px;
    padding: 16px;
    color: var(--gb-muted);
}

@media (max-width: 768px) {
    .gb-page .gb-container {
        padding: 14px;
        border-radius: 10px;
    }

    .gb-page .gb-layout {
        grid-template-columns: 1fr;
    }

    .gb-page .gb-ads-column {
        order: 2;
        position: static;
    }

    .gb-page .gb-recent-panel,
    .gb-page .gb-recent-list {
        max-height: none;
    }

    .gb-page .gb-content {
        order: 1;
        justify-self: stretch;
    }

    .gb-page .gb-form-wrapper,
    .gb-page .gb-entry,
    .gb-page .guestbook-form-container {
        padding: 16px;
    }
}