/* ========== 同步面板、WebDAV/GitHub/S3 表单 ========== */
/* ===== 同步面板可折叠卡片 ===== */
.collapsible-card {
    padding: 0;
    overflow: hidden;
}
.sync-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 14px 16px;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-main);
    text-align: left;
    gap: 12px;
    transition: background 0.18s var(--ease-smooth);
}
.sync-section-header:hover {
    background: rgba(59, 130, 246, 0.08);
}
html.light-mode .sync-section-header:hover {
    background: rgba(37, 99, 235, 0.06);
}
.sync-section-header .sync-section-title {
    flex: 1;
    pointer-events: none;
}
.sync-chevron {
    flex-shrink: 0;
    transition: transform 0.25s var(--ease-smooth);
    color: var(--text-sub);
}
.collapsible-card[data-collapsed="true"] .sync-chevron {
    transform: rotate(-90deg);
}
.sync-section-body {
    padding: 0 18px 18px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.collapsible-card[data-collapsed="true"] .sync-section-body {
    display: none;
}

/* ===== WebDAV 表单（匹配图中样式） ===== */
.webdav-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.sync-storage-panel {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-top: 2px;
}
.sync-storage-panel[hidden] {
    display: none !important;
}
.webdav-warning[hidden] {
    display: none !important;
}
.webdav-creds-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
@media (max-width: 520px) {
    .webdav-creds-row {
        grid-template-columns: 1fr;
    }
}
.webdav-form .settings-field-group label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0;
    letter-spacing: 0.01em;
}
.webdav-form .settings-input,
.webdav-form .settings-control {
    width: 100%;
    padding: 11px 13px;
    border-radius: 11px;
    border: 1px solid var(--border-normal);
    background-color: var(--modal-input-bg);
    color: var(--text-main);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, background-color 0.2s;
}
.webdav-form .settings-input::placeholder,
.webdav-form .settings-control::placeholder {
    color: var(--text-sub);
    opacity: 0.65;
}
.webdav-form .settings-input:focus,
.webdav-form .settings-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background-color: rgba(59, 130, 246, 0.04);
}
.webdav-warning {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 11px 13px;
    border-radius: 11px;
    font-size: 0.78rem;
    line-height: 1.5;
}
.webdav-warning strong {
    display: block;
    margin-bottom: 3px;
    font-size: 0.82rem;
    font-weight: 600;
}
.webdav-warning p {
    margin: 0;
    opacity: 0.92;
}
.webdav-warning-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    margin-top: 1px;
}
.webdav-warning-cors {
    background: rgba(234, 179, 8, 0.12);
    border: 1px solid rgba(234, 179, 8, 0.35);
    color: #eab308;
}
.webdav-warning-cors .webdav-warning-icon {
    background: rgba(234, 179, 8, 0.25);
    color: #eab308;
}
.webdav-warning-auth {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: #ef4444;
}
.webdav-warning-auth .webdav-warning-icon {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}
html.light-mode .webdav-warning-cors {
    background: rgba(234, 179, 8, 0.08);
    color: #a16207;
}
html.light-mode .webdav-warning-auth {
    background: rgba(239, 68, 68, 0.08);
    color: #b91c1c;
}
.github-sync-warning p {
    margin: 2px 0 0;
}
.github-sync-warning p + p {
    margin-top: 4px;
}

.settings-field-group {
    display: flex;
    flex-direction: column;
    gap: 7px;
}
.settings-field-group label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-main);
    letter-spacing: 0.01em;
    opacity: 0.92;
}

.settings-input {
    flex: 1;
    padding: 12px 14px;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 0.95rem;
    outline: none;
}

/* ==================== 独立分离卡片按钮样式 ==================== */
.url-row-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.url-input-box {
    flex: 1;
    display: flex;
    align-items: center;
    background: var(--modal-input-bg);
    border: 1px solid var(--border-normal);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.25s var(--ease-smooth);
}
.url-input-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.url-standalone-action-btn {
    width: 42px;
    height: 42px;
    flex-shrink: 0;
    background: var(--card-glass-bg);
    border: 1px solid var(--border-normal);
    border-radius: 12px;
    color: var(--secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px var(--shadow-color);
    transition: all 0.25s var(--ease-smooth);
    backdrop-filter: var(--glass-blur);
    overflow: hidden;
    font-size: 15px;
    font-weight: 700;
}
.url-standalone-action-btn img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.url-standalone-action-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-glow);
    transform: translateY(-1px);
}
.url-standalone-action-btn:active {
    transform: scale(0.95);
}

.category-action-row {
    display: flex;
    gap: 10px;
    align-items: center;
}
.category-action-row select {
    flex: 1;
}
.add-link-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0 18px;
    height: 42px;
    background: #ffffff;
    color: #09090b;
    border: none;
    border-radius: 11px;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s var(--ease-smooth);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}
.add-link-action-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}
html.light-mode .add-link-action-btn {
    background: #0f172a;
    color: #ffffff;
}

.settings-control {
    width: 100%;
    padding: 11px 13px;
    background-color: var(--modal-input-bg);
    border: 1px solid var(--border-normal);
    border-radius: 11px;
    color: var(--text-main);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s var(--ease-smooth), box-shadow 0.2s var(--ease-smooth), background-color 0.2s;
}
.settings-control::placeholder {
    color: var(--text-sub);
    opacity: 0.65;
}
.settings-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background-color: rgba(59, 130, 246, 0.04);
}

.create-category-card {
    margin-bottom: 16px;
    gap: 14px;
}
.create-category-row {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.create-category-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-main);
    letter-spacing: -0.01em;
}
.create-category-label svg {
    opacity: 0.7;
    flex-shrink: 0;
}
.create-category-action {
    display: flex;
    gap: 8px;
    align-items: center;
}
.create-category-action .settings-control {
    flex: 1;
    min-width: 0;
}
.create-category-action .add-link-action-btn {
    flex-shrink: 0;
    height: 42px;
    padding: 0 16px;
}
.create-sub-action {
    flex-wrap: wrap;
}
.create-sub-action select {
    flex: 0 1 140px;
    min-width: 100px;
}
.create-sub-action input {
    flex: 1 1 120px;
}
.create-category-divider {
    height: 1px;
    background: var(--border-normal);
    margin: 2px 0;
}
@media (max-width: 640px) {
    .create-category-action {
        flex-direction: column;
        align-items: stretch;
    }
    .create-category-action .add-link-action-btn {
        width: 100%;
    }
    .create-sub-action select {
        flex: 1 1 auto;
        width: 100%;
    }
}