/* 组件样式 - 现代化UI组件 */

/* 登录页面组件 */
.login-background {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, 
        #667eea 0%, 
        #764ba2 25%, 
        #f093fb 50%, 
        #f5576c 75%, 
        #4facfe 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.login-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(1px);
}

.login-card {
    position: relative;
    z-index: 10;
    padding: var(--spacing-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-logo {
    position: relative;
}

.logo-icon {
    font-size: 3rem;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.form-group {
    position: relative;
}

.form-label {
    display: block;
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-2);
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-addon {
    position: absolute;
    right: var(--spacing-3);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-400);
    z-index: 10;
    transition: color var(--transition-fast);
}

.input-addon:hover {
    color: var(--gray-600);
}

.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.error-message {
    background: #fef2f2;
    color: #dc2626;
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-md);
    border: 1px solid #fecaca;
    font-size: var(--font-sm);
    margin-top: var(--spacing-2);
}

/* 导航栏组件 */
.library-header, .reader-header {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.8);
    border-bottom: 1px solid rgba(229, 231, 235, 0.8);
}

[data-theme="dark"] .library-header,
[data-theme="dark"] .reader-header {
    background: rgba(31, 41, 55, 0.8);
    border-bottom: 1px solid rgba(75, 85, 99, 0.8);
}

.logo-mini {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 200px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-2);
    z-index: 50;
    animation: dropdownSlide 0.2s ease-out;
}

@keyframes dropdownSlide {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

[data-theme="dark"] .dropdown-menu {
    background: var(--gray-800);
    border-color: var(--gray-600);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    border: none;
    background: none;
    color: var(--gray-700);
    font-size: var(--font-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

[data-theme="dark"] .dropdown-item {
    color: var(--gray-300);
}

[data-theme="dark"] .dropdown-item:hover {
    background: var(--gray-700);
    color: var(--gray-100);
}

/* 统计卡片组件 */
.stat-card {
    transition: all var(--transition-normal);
    cursor: default;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

/* 书籍卡片组件 */
.book-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
}

.book-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-200);
}

.book-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-400));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.book-card:hover::before {
    transform: scaleX(1);
}

.book-cover {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    position: relative;
    overflow: hidden;
}

.book-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(0,0,0,0.1) 100%);
}

.book-content {
    padding: var(--spacing-6);
}

.book-title {
    font-size: var(--font-lg);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-2);
    line-height: 1.4;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.book-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
    font-size: var(--font-sm);
    color: var(--gray-600);
}

.book-progress-bar {
    width: 100%;
    height: 4px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-4);
}

.book-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-400));
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
}

.book-actions {
    display: flex;
    gap: var(--spacing-2);
}

.book-actions .btn {
    flex: 1;
    font-size: var(--font-sm);
}

/* 列表视图样式 */
.books-list .book-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-4);
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-3);
    transition: all var(--transition-fast);
}

.books-list .book-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.books-list .book-cover {
    width: 60px;
    height: 80px;
    flex-shrink: 0;
    font-size: 1.5rem;
}

.books-list .book-content {
    flex: 1;
    padding: 0;
}

.books-list .book-actions {
    flex-shrink: 0;
}

/* 阅读器组件 */
.reader-container {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.chapter-text {
    font-family: 'Georgia', 'Times New Roman', serif;
    line-height: 1.8;
    font-size: 18px;
    color: var(--gray-800);
    padding: var(--spacing-8);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    min-height: 60vh;
    white-space: pre-wrap;
    word-wrap: break-word;
}

[data-theme="dark"] .chapter-text {
    background: var(--gray-800);
    color: var(--gray-200);
}

[data-theme="sepia"] .chapter-text {
    background: var(--gray-50);
    color: var(--gray-900);
}

.reader-controls {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.9);
    border-top: 1px solid rgba(229, 231, 235, 0.8);
}

[data-theme="dark"] .reader-controls {
    background: rgba(31, 41, 55, 0.9);
    border-top: 1px solid rgba(75, 85, 99, 0.8);
}

.chapter-display {
    font-feature-settings: 'tnum';
    min-width: 80px;
}

/* 专注模式 */
.focus-mode .reader-header,
.focus-mode .reader-controls {
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
}

.focus-mode .reader-header {
    transform: translateY(-100%);
}

.focus-mode .reader-controls {
    transform: translateY(100%);
}

/* Toast通知组件 */
.toast {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-4);
    max-width: 400px;
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    animation: slideInRight 0.3s ease-out;
    position: relative;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.success {
    border-left: 4px solid var(--success-500);
}

.toast.error {
    border-left: 4px solid var(--error-500);
}

.toast.warning {
    border-left: 4px solid var(--warning-500);
}

.toast-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    color: var(--gray-900);
    font-size: var(--font-sm);
}

.toast-message {
    color: var(--gray-600);
    font-size: var(--font-xs);
    margin-top: var(--spacing-1);
}

.toast-close {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: var(--spacing-1);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast);
}

.toast-close:hover {
    color: var(--gray-600);
}

/* 模态框组件 */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
    animation: modalBackdrop 0.2s ease-out;
}

/* 确保 hidden 类优先级更高 */
.modal.hidden {
    display: none !important;
}

@keyframes modalBackdrop {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    max-width: 90vw;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modalSlide 0.3s ease-out;
}

@keyframes modalSlide {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

[data-theme="dark"] .modal-content {
    background: var(--gray-800);
}

.modal-header {
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

[data-theme="dark"] .modal-header {
    border-bottom-color: var(--gray-600);
}

.modal-title {
    font-size: var(--font-xl);
    font-weight: 700;
    color: var(--gray-900);
}

[data-theme="dark"] .modal-title {
    color: var(--gray-100);
}

.modal-close {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: var(--spacing-2);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-size: 1.5rem;
    line-height: 1;
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-600);
}

[data-theme="dark"] .modal-close:hover {
    background: var(--gray-700);
    color: var(--gray-300);
}

.modal-body {
    padding: var(--spacing-6);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: var(--spacing-6);
    border-top: 1px solid var(--gray-200);
    display: flex;
    gap: var(--spacing-3);
    justify-content: flex-end;
    flex-shrink: 0;
}

[data-theme="dark"] .modal-footer {
    border-top-color: var(--gray-600);
}

/* 空状态组件 */
.empty-state {
    text-align: center;
    padding: var(--spacing-16) var(--spacing-8);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-6);
    opacity: 0.6;
}

/* 工具类扩展 */
.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }
.max-w-xs { max-width: 20rem; }
.max-w-md { max-width: 28rem; }
.max-w-4xl { max-width: 56rem; }

.fixed { position: fixed; }
.sticky { position: sticky; }
.relative { position: relative; }
.absolute { position: absolute; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.top-0 { top: 0; }
.bottom-0 { bottom: 0; }
.top-4 { top: 1rem; }
.right-4 { right: 1rem; }

.z-10 { z-index: 10; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }
.z-100 { z-index: 100; }

.flex-1 { flex: 1 1 0%; }
.flex-shrink-0 { flex-shrink: 0; }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mx-auto { margin-left: auto; margin-right: auto; }
.ml-4 { margin-left: 1rem; }
.mt-2 { margin-top: 0.5rem; }

.text-center { text-align: center; }
.text-red-600 { color: #dc2626; }

.bg-blue-100 { background-color: #dbeafe; }
.text-blue-600 { color: #2563eb; }
.bg-green-100 { background-color: #dcfce7; }
.text-green-600 { color: #16a34a; }
.bg-purple-100 { background-color: #f3e8ff; }
.text-purple-600 { color: #9333ea; }

.overflow-hidden { overflow: hidden; }
.overflow-y-auto { overflow-y: auto; }

.duration-300 { transition-duration: 300ms; }

/* 主题切换按钮特殊样式 */
#theme-toggle {
    transition: transform var(--transition-fast);
}

#theme-toggle:hover {
    transform: rotate(20deg) scale(1.1);
}

/* 视图切换按钮 */
.view-controls .btn.active {
    background: var(--primary-100);
    color: var(--primary-700);
}

[data-theme="dark"] .view-controls .btn.active {
    background: var(--primary-900);
    color: var(--primary-300);
}

/* 批量上传相关样式 */
.upload-mode-selector {
    margin-bottom: var(--spacing-4);
}

.upload-mode-selector .btn.active {
    background: var(--primary-500);
    color: white;
}

.batch-file-list {
    margin-top: var(--spacing-4);
    padding: var(--spacing-4);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

[data-theme="dark"] .batch-file-list {
    background: var(--gray-700);
    border-color: var(--gray-600);
}

.batch-file-item {
    background: white;
    transition: all var(--transition-fast);
}

.batch-file-item:hover {
    box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .batch-file-item {
    background: var(--gray-800);
    border-color: var(--gray-600);
}

.status-badge {
    font-size: var(--font-xs);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.status-badge.pending {
    background: var(--gray-100);
    color: var(--gray-600);
}

.status-badge.uploading {
    background: var(--primary-100);
    color: var(--primary-700);
}

.status-badge.success {
    background: var(--success-100);
    color: var(--success-700);
}

.status-badge.failed {
    background: var(--error-100);
    color: var(--error-700);
}

[data-theme="dark"] .status-badge.pending {
    background: var(--gray-700);
    color: var(--gray-300);
}

[data-theme="dark"] .status-badge.uploading {
    background: var(--primary-900);
    color: var(--primary-300);
}

[data-theme="dark"] .status-badge.success {
    background: var(--success-900);
    color: var(--success-300);
}

[data-theme="dark"] .status-badge.failed {
    background: var(--error-900);
    color: var(--error-300);
}

.batch-progress-container {
    margin-top: var(--spacing-4);
    padding: var(--spacing-4);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

[data-theme="dark"] .batch-progress-container {
    background: var(--gray-700);
    border-color: var(--gray-600);
}

.batch-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.batch-stats {
    font-feature-settings: 'tnum';
}

.batch-upload-details {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    background: white;
    padding: var(--spacing-2);
}

[data-theme="dark"] .batch-upload-details {
    background: var(--gray-800);
    border-color: var(--gray-600);
}

.upload-item {
    border-bottom: 1px solid var(--gray-100);
}

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

[data-theme="dark"] .upload-item {
    border-bottom-color: var(--gray-700);
}

.upload-tips {
    margin-top: var(--spacing-2);
}

.batch-actions {
    display: flex;
    gap: var(--spacing-2);
}

.remove-file-btn {
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.remove-file-btn:hover {
    opacity: 1;
}

/* 拖拽状态样式 */
.upload-area.dragover {
    border-color: var(--primary-500);
    background: var(--primary-50);
    transform: scale(1.02);
}

[data-theme="dark"] .upload-area.dragover {
    background: var(--primary-900);
}

/* 响应式调整 */
@media (max-width: 640px) {
    .batch-file-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-2);
    }
    
    .batch-actions {
        flex-direction: column;
    }
    
    .upload-mode-selector .flex {
        flex-direction: column;
    }
}