/* 主应用样式 */
.app-container {
    display: grid;
    grid-template-columns: 320px 1fr 600px;
    height: 100vh;
    gap: 20px;
    padding: 20px;
    position: relative;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.app-container.active {
    opacity: 1;
}

.panel {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.panel:hover {
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.panel-header {
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(135deg, var(--surface-light), var(--surface));
}

.panel-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.panel-title i {
    font-size: 20px;
}

.clickable-title {
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.clickable-title:hover {
    color: var(--primary);
}

.title-tooltip {
    position: absolute;
    bottom: -30px;
    left: 0;
    background: var(--text);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 10;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.clickable-title:hover .title-tooltip {
    opacity: 1;
    visibility: visible;
}

.btn {
    padding: 10px 16px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    color: white;
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(76, 175, 80, 0.4);
    color: white;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.panel-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    position: relative;
}

.panel-content::-webkit-scrollbar {
    width: 6px;
}

.panel-content::-webkit-scrollbar-track {
    background: var(--surface-light);
    border-radius: 3px;
}

.panel-content::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 3px;
}

/* 快捷链接样式 */
.quick-links {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.quick-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: linear-gradient(135deg, var(--surface), var(--surface-light));
    border: 1px solid var(--border);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    flex: 1;
    min-width: 120px;
    justify-content: center;
}

.quick-link:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.15);
    background: linear-gradient(135deg, var(--surface-light), var(--surface));
}

.quick-link i {
    font-size: 16px;
}

/* 左侧面板 - 新闻列表 */
.news-item {
    padding: 16px;
    margin-bottom: 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    background: var(--surface);
}

.news-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.news-item:hover {
    border-color: var(--primary);
    transform: translateX(4px);
    box-shadow: var(--shadow);
}

.news-item:hover::before {
    transform: scaleX(1);
}

.news-item.active {
    border-color: var(--primary);
    background: var(--surface-light);
}

.news-item.active::before {
    transform: scaleX(1);
}

.news-title {
    font-size: 15px;
    line-height: 1.5;
    margin-bottom: 8px;
    font-weight: 500;
}

.news-time {
    font-size: 12px;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 5px;
}

/* 中间面板 - 控制台 */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-dim);
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
    color: var(--text);
    font-size: 14px;
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

.form-select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
    color: var(--text);
    font-size: 14px;
    transition: var(--transition);
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
}

.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 12px;
}

.platform-item {
    padding: 12px 8px;
    border: 1px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    font-size: 13px;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.platform-item:hover {
    border-color: var(--primary);
    background: var(--surface-light);
}

.platform-item.active {
    border-color: var(--primary);
    background: var(--surface-light);
    color: var(--primary-dark);
    box-shadow: 0 4px 8px rgba(76, 175, 80, 0.15);
}

.transform-button {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    margin-top: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.transform-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(76, 175, 80, 0.4);
}

.transform-button:disabled {
    background: linear-gradient(135deg, #BDBDBD, #9E9E9E);
    transform: none;
    box-shadow: none;
    cursor: not-allowed;
}

.transform-button.loading {
    pointer-events: none;
}

.selected-news {
    margin-top: 20px;
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-light);
}

.selected-news-title {
    font-size: 14px;
    color: var(--text-dim);
    margin-bottom: 12px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.selected-news-content {
    font-size: 14px;
    line-height: 1.5;
}

.selected-news-url {
    color: var(--accent);
    text-decoration: none;
    word-break: break-all;
    display: block;
    margin-top: 12px;
    font-size: 13px;
    transition: var(--transition);
}

.selected-news-url:hover {
    color: var(--primary);
    text-decoration: underline;
}

/* 右侧面板 - 预览 */
.preview-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.preview-header {
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(135deg, var(--surface-light), var(--surface));
}

.preview-actions {
    display: flex;
    gap: 10px;
}

.preview-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.preview-frame {
    flex: 1;
    border: none;
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 0 0 var(--radius) var(--radius);
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

.status-indicator.processing {
    background: rgba(33, 150, 243, 0.1);
    color: var(--accent);
    border: 1px solid rgba(33, 150, 243, 0.2);
}

.status-indicator.success {
    background: rgba(76, 175, 80, 0.1);
    color: var(--primary);
    border: 1px solid rgba(76, 175, 80, 0.2);
}

.status-indicator.error {
    background: rgba(244, 67, 54, 0.1);
    color: #F44336;
    border: 1px solid rgba(244, 67, 54, 0.2);
}

.status-indicator.empty {
    background: rgba(158, 158, 158, 0.1);
    color: var(--text-dim);
    border: 1px solid rgba(158, 158, 158, 0.2);
}

.daily-status-indicator {
    margin-left: 10px;
    font-size: 12px;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-dim);
    text-align: center;
    padding: 20px;
}

.empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

/* 模态框 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 24px;
    width: 90%;
    max-width: 600px;
    box-shadow: var(--shadow);
    transform: scale(0.9);
    transition: var(--transition);
    border: 1px solid var(--border);
    position: relative;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-title {
    font-size: 18px;
    margin-bottom: 16px;
    font-weight: 600;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* 新闻源选择器 */
.news-source-selector {
    margin-bottom: 20px;
}

.news-source-options {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 16px;
}

.news-source-option {
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.news-source-option:hover {
    border-color: var(--primary);
    background: var(--surface-light);
}

.news-source-option.active {
    border-color: var(--primary);
    background: var(--surface-light);
}

.source-name {
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--primary-dark);
}

.source-desc {
    font-size: 12px;
    color: var(--text-dim);
    line-height: 1.4;
}

.source-url {
    font-size: 11px;
    color: var(--accent);
    margin-top: 4px;
    word-break: break-all;
}

/* 新闻日报配置模态框 */
.daily-config-section {
    margin-bottom: 20px;
}

.setting-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 10px;
}

.setting-option {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-input.small {
    padding: 8px 12px;
    font-size: 13px;
}

/* 增强鉴权配置样式 */
.auth-config {
    margin-top: 8px;
}

.auth-switch {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border);
    transition: var(--transition);
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: var(--transition);
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--primary);
}

input:checked + .slider:before {
    transform: translateX(20px);
}

.switch-label {
    font-size: 14px;
    color: var(--text);
    font-weight: 500;
}

.auth-fields {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.auth-fields .form-input.small {
    flex: 1;
}

.form-hint {
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 4px;
}

.daily-hint {
    background: var(--surface-light);
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 13px;
    color: var(--text-dim);
    margin-top: 10px;
    border-left: 3px solid var(--primary);
}

/* 新闻日报预览模态框 */
.news-daily-modal {
    width: 95%;
    height: 90%;
    max-width: 1200px;
    display: flex;
    flex-direction: column;
}

.news-daily-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
}

.news-daily-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.news-daily-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.news-daily-content {
    flex: 1;
    overflow: auto;
    padding: 0;
}

.news-daily-frame {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 0 0 var(--radius) var(--radius);
}

.close-btn {
    padding: 8px;
}

/* 模态框关闭按钮 */
.modal-close-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-dim);
    font-size: 20px;
    cursor: pointer;
    border-radius: 50%;
    transition: var(--transition);
}

.modal-close-btn:hover {
    background: var(--surface-light);
    color: var(--primary);
}

/* 备用源样式 */
.backup-source-option {
    padding: 12px;
    border: 1px dashed var(--border);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    background: var(--surface-light);
    opacity: 0.7;
    cursor: not-allowed;
}

.backup-source-url {
    font-size: 11px;
    color: var(--text-dim);
    margin-top: 4px;
    word-break: break-all;
    font-family: monospace;
}

.backup-note {
    font-size: 11px;
    color: var(--secondary);
    margin-top: 4px;
    font-style: italic;
}

.custom-source-section {
    border-top: 1px solid var(--border);
    padding-top: 16px;
}

/* 加载动画 */
.loading-dots {
    display: inline-flex;
    gap: 4px;
}

.loading-dots span {
    width: 8px;
    height: 8px;
    background: currentColor;
    border-radius: 50%;
    animation: dotPulse 1.4s infinite ease-in-out both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes dotPulse {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}