/* 管理后台样式 */
.page-admin { min-height: 100dvh; background: var(--bg); }

#loginPanel[hidden],
#adminPanel[hidden] { display: none !important; }

.admin-login {
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}
.admin-login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem 1.5rem;
    width: 100%;
    max-width: 360px;
    box-shadow: var(--shadow);
    text-align: center;
}
.admin-login-card h1 { color: var(--primary); font-size: 1.4rem; margin-bottom: 0.25rem; }
.admin-login-desc { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1.5rem; }
.admin-login-btn { width: 100%; margin-top: 0.75rem; }

.admin-panel { max-width: 960px; margin: 0 auto; padding-bottom: 2rem; }
.admin-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 10;
}
.admin-header .page-title { flex: 1; font-size: 1.1rem; margin: 0; }
.admin-logout { flex-shrink: 0; max-width: 80px; padding: 0.5rem; font-size: 0.85rem; }

.admin-main { padding: 1rem; display: flex; flex-direction: column; gap: 1.25rem; }

.admin-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.admin-section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border);
    background: #FDF8F2;
}
.admin-section-head h2 { font-size: 1rem; color: var(--primary); margin: 0; }
.admin-section-actions { display: flex; gap: 0.5rem; flex-shrink: 0; }
.admin-section-actions .btn-sm { white-space: nowrap; }

.btn-sm { padding: 0.45rem 0.75rem; font-size: 0.85rem; max-width: none; flex: none; }
.btn-sm:disabled { opacity: 0.5; cursor: not-allowed; }

.admin-catalog-list { padding: 0.5rem; }
.admin-catalog-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.15s;
    border: 2px solid transparent;
}
.admin-catalog-item:hover { background: #FDF8F2; }
.admin-catalog-item.active { border-color: var(--primary-light); background: #FDF8F2; }
.admin-catalog-item .cat-name { flex: 1; font-weight: 600; color: var(--text); }
.admin-catalog-item .cat-meta { font-size: 0.8rem; color: var(--text-muted); }
.admin-catalog-actions { display: flex; gap: 0.25rem; }
.admin-icon-btn {
    background: none; border: none; padding: 0.35rem 0.5rem;
    cursor: pointer; font-size: 0.85rem; color: var(--text-muted);
    border-radius: 6px;
}
.admin-icon-btn:hover { background: var(--border); color: var(--primary); }
.admin-icon-btn.danger:hover { color: var(--accent); }

.admin-article-list { padding: 0.5rem; min-height: 120px; }
.admin-empty { text-align: center; color: var(--text-muted); padding: 2rem 1rem; font-size: 0.9rem; }

.admin-article-item {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 0.75rem;
}
.admin-article-item:last-child { margin-bottom: 0; }
.admin-article-head { display: flex; align-items: flex-start; gap: 0.5rem; margin-bottom: 0.5rem; }
.admin-article-head h3 { flex: 1; font-size: 1.05rem; color: var(--primary); margin: 0; }
.admin-article-meta { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 0.75rem; }

.admin-progress {
    display: flex; gap: 0.75rem; flex-wrap: wrap;
    font-size: 0.8rem; color: var(--text-muted); margin-bottom: 0.75rem;
}
.admin-status {
    display: inline-block; padding: 0.15rem 0.5rem; border-radius: 10px;
    font-size: 0.75rem; font-weight: 600;
}
.admin-status.ready { background: #E8F5E9; color: #2E7D32; }
.admin-status.pending { background: #FFF3E0; color: #E65100; }
.admin-status.generating { background: #E3F2FD; color: #1565C0; }
.admin-status.empty { background: #F5F5F5; color: #757575; }
.admin-status.error { background: #FFEBEE; color: #C62828; }

.admin-article-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.admin-article-actions .btn { max-width: none; flex: none; font-size: 0.85rem; padding: 0.5rem 0.75rem; }

.admin-label { display: block; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1rem; }
.admin-label:last-of-type { margin-bottom: 0; }
.admin-input, .admin-textarea {
    display: block; width: 100%; margin-top: 0.35rem;
    padding: 0.65rem 0.75rem; border: 1px solid var(--border);
    border-radius: 10px; font-family: inherit; font-size: 1rem;
    background: #fff; color: var(--text);
}
.admin-textarea { resize: vertical; min-height: 60px; line-height: 1.6; }
.admin-textarea-lg { min-height: 160px; }
.admin-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }

.admin-modal {
    position: fixed; inset: 0; z-index: 100;
    background: rgba(61,43,31,0.45);
    display: flex; align-items: flex-end; justify-content: center;
    padding: 0;
}
.admin-modal[hidden] { display: none !important; }
.admin-modal-card {
    background: var(--bg-card);
    border-radius: var(--radius) var(--radius) 0 0;
    padding: 1.25rem;
    width: 100%; max-width: 520px;
    max-height: 90dvh; overflow-y: auto;
}
.admin-modal-wide { max-width: 640px; }
.admin-modal-card h3 { color: var(--primary); margin-bottom: 1rem; font-size: 1.1rem; }
.admin-modal-actions {
    display: flex; gap: 0.5rem; justify-content: flex-end;
    margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid var(--border);
}
.admin-modal-actions .btn { max-width: 120px; }

.admin-error { color: var(--accent); font-size: 0.85rem; margin-top: 0.75rem; min-height: 1.2em; }

.admin-modal-hint {
    font-size: 0.85rem; color: var(--text-muted);
    margin: -0.5rem 0 1rem; line-height: 1.5;
}

.article-preview {
    background: #FDF8F2;
    border: 1px dashed var(--primary-light);
    border-radius: 10px;
    padding: 0.75rem;
    margin-bottom: 1rem;
}
.article-preview-title {
    font-size: 0.8rem; color: var(--primary);
    margin-bottom: 0.75rem; font-weight: 600;
}
.article-preview .admin-input[readonly],
.article-preview .admin-textarea[readonly] {
    background: #fff; color: var(--text);
}

.admin-dialog-modal {
    align-items: center;
    padding: 1rem;
    z-index: 200;
}
.admin-dialog-card {
    border-radius: var(--radius);
    max-width: 400px;
    box-shadow: var(--shadow);
}
.admin-dialog-card h3 { margin-bottom: 0.75rem; }
.admin-dialog-message {
    color: var(--text);
    font-size: 0.95rem;
    line-height: 1.65;
    white-space: pre-wrap;
    margin: 0;
}

@media (min-width: 768px) {
    .admin-main {
        display: grid;
        grid-template-columns: 280px 1fr;
        align-items: start;
    }
    .admin-modal { align-items: center; padding: 1rem; }
    .admin-modal-card { border-radius: var(--radius); max-height: 85dvh; }
}