/* gbook.css — 留言板頁 */

.gbook-main {
    padding: 24px 0 60px;
}

.gbook-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 16px;
}

/* ===== 页头 ===== */
.gbook-page-hd {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.gbook-page-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-1);
    display: flex;
    align-items: center;
    gap: 8px;
}

.gbook-page-meta {
    font-size: 13px;
    color: var(--text-3);
}

.gbook-page-meta em {
    color: var(--accent);
    font-style: normal;
}

/* ===== Layout ===== */
.gbook-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 24px;
    align-items: start;
}

/* ===== 留言列表 ===== */
.gbook-list-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.gbook-list {
    padding: 8px 0;
}

.gbook-item {
    display: flex;
    gap: 14px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.gbook-item:last-child {
    border-bottom: none;
}

.gbook-avatar {
    width: 38px;
    height: 38px;
    background: var(--accent-light);
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
}

.gbook-body {
    flex: 1;
    min-width: 0;
}

.gbook-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.gbook-uname {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-1);
}

.gbook-time {
    font-size: 12px;
    color: var(--text-3);
}

.gbook-content {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.7;
    word-break: break-all;
}

.gbook-reply {
    margin-top: 10px;
    padding: 10px 14px;
    background: var(--bg-elevated);
    border-left: 3px solid var(--accent);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 13px;
    color: var(--text-2);
    display: flex;
    gap: 6px;
    align-items: flex-start;
}

.gbook-reply strong {
    color: var(--accent);
    white-space: nowrap;
}

.gbook-empty {
    padding: 48px 20px;
    text-align: center;
    color: var(--text-3);
    font-size: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.gbook-empty iconify-icon {
    font-size: 40px;
    color: var(--text-3);
}

/* 分頁 */
.gbook-pagination {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-2);
}

/* ===== 留言表單 ===== */
.gbook-form-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    position: sticky;
    top: calc(var(--topbar-h) + 12px);
}

.gbook-form-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-1);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
}

.gbook-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.gbook-textarea {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-2);
    border-radius: var(--radius-sm);
    color: var(--text-1);
    font-size: 13px;
    font-family: inherit;
    resize: vertical;
    outline: none;
    box-sizing: border-box;
    transition: border-color .15s;
    min-height: 120px;
}

.gbook-textarea:focus {
    border-color: var(--accent);
}

.gbook-remain {
    font-size: 12px;
    color: var(--text-3);
    text-align: right;
}

.gbook-remain em {
    color: var(--accent);
    font-style: normal;
}

.gbook-form-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

.gbook-verify-input {
    flex: 1;
    height: 36px;
    padding: 0 10px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-2);
    border-radius: var(--radius-sm);
    color: var(--text-1);
    font-size: 13px;
    outline: none;
}

.gbook-verify-input:focus {
    border-color: var(--accent);
}

.gbook-captcha-img {
    height: 36px;
    width: auto;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.gbook-submit-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    justify-content: center;
    width: 100%;
    height: 40px;
    background: var(--accent);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background .15s;
}

.gbook-submit-btn:hover {
    background: var(--accent-hover);
}

/* ===== RWD ===== */
@media (max-width: 900px) {
    .gbook-layout {
        grid-template-columns: 1fr;
    }

    .gbook-form-wrap {
        position: static;
    }
}

@media (max-width: 600px) {
    .gbook-item {
        padding: 14px 12px;
    }

    .gbook-main {
        padding-bottom: 80px;
    }
}