/* ==========================================================================
   学习进度页面专用样式
   ========================================================================== */

/* 页面头部样式 */
.page-header {
    height: 400px;
    background: linear-gradient(135deg, var(--success-50) 0%, var(--success-100) 100%);
    border-bottom: 1px solid var(--border-primary);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

[data-theme="dark"] .page-header {
    background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-700) 100%);
}

/* 进度主题背景装饰 */
.progress-bg-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
}

.progress-circles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.progress-circle {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(59, 130, 246, 0.1));
    animation: progressFloat 8s ease-in-out infinite;
}

[data-theme="dark"] .progress-circle {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.05), rgba(59, 130, 246, 0.05));
}

.progress-circle.circle-1 {
    width: 180px;
    height: 180px;
    top: -40px;
    right: -40px;
    animation-delay: 0s;
}

.progress-circle.circle-2 {
    width: 120px;
    height: 120px;
    bottom: -20px;
    left: -20px;
    animation-delay: 3s;
}

.progress-circle.circle-3 {
    width: 80px;
    height: 80px;
    top: 40%;
    left: 15%;
    animation-delay: 6s;
}

.progress-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(34, 197, 94, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34, 197, 94, 0.03) 1px, transparent 1px);
    background-size: 25px 25px;
    animation: progressGridMove 15s linear infinite;
}

[data-theme="dark"] .progress-grid {
    background-image: 
        linear-gradient(rgba(34, 197, 94, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34, 197, 94, 0.02) 1px, transparent 1px);
}

.floating-progress-icons {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.floating-progress-icon {
    position: absolute;
    color: var(--success-300);
    font-size: 1.1rem;
    opacity: 0.7;
    animation: floatProgressIcon 10s ease-in-out infinite;
}

[data-theme="dark"] .floating-progress-icon {
    color: var(--success-700);
    opacity: 0.4;
}

.floating-progress-icon.icon-1 {
    top: 15%;
    left: 8%;
    animation-delay: 0s;
}

.floating-progress-icon.icon-2 {
    top: 65%;
    right: 12%;
    animation-delay: 2s;
}

.floating-progress-icon.icon-3 {
    bottom: 25%;
    left: 3%;
    animation-delay: 4s;
}

.floating-progress-icon.icon-4 {
    top: 25%;
    right: 3%;
    animation-delay: 6s;
}

.floating-progress-icon.icon-5 {
    bottom: 15%;
    right: 25%;
    animation-delay: 8s;
}

.progress-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--success-400);
    border-radius: 50%;
    opacity: 0.6;
    animation: particleFloat 12s ease-in-out infinite;
}

[data-theme="dark"] .particle {
    background: var(--success-600);
    opacity: 0.3;
}

.particle-1 {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.particle-2 {
    top: 60%;
    left: 80%;
    animation-delay: 2.4s;
}

.particle-3 {
    top: 80%;
    left: 30%;
    animation-delay: 4.8s;
}

.particle-4 {
    top: 40%;
    left: 70%;
    animation-delay: 7.2s;
}

.particle-5 {
    top: 30%;
    left: 50%;
    animation-delay: 9.6s;
}

/* 标题增强样式 */
.title-container {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.title-accent.progress-accent {
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--success-600), var(--success-400));
    border-radius: 2px;
    animation: expandAccent 1s ease-out 0.5s both;
}

.page-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.progress-message {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: var(--radius-lg);
    color: var(--success-700);
    font-weight: 500;
    font-size: 0.875rem;
    animation: slideInLeft 0.8s ease-out 0.3s both;
    backdrop-filter: blur(10px);
}

[data-theme="dark"] .progress-message {
    background: rgba(34, 197, 94, 0.05);
    border-color: rgba(34, 197, 94, 0.1);
    color: var(--success-300);
}

.progress-message i {
    font-size: 1rem;
    color: var(--warning-500);
    animation: fireFlicker 1.5s infinite;
}

/* 头部区域样式 */
.page-header .header-content {
    display: grid;
    gap: var(--spacing-xl);
    grid-template-columns: 1fr;
    position: relative;
    z-index: 2;
}

@media (min-width: 768px) {
    .page-header .header-content {
        grid-template-columns: 1fr auto;
        align-items: center;
    }
}

.header-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 140px;
}

/* 圆形进度条 */
.stat-circle {
    position: relative;
    width: 120px;
    height: 120px;
}

.circle-progress {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: conic-gradient(
        var(--primary-600) 0%,
        var(--primary-600) var(--progress, 0%),
        var(--gray-200) var(--progress, 0%),
        var(--gray-200) 100%
    );
    display: flex;
    align-items: center;
    justify-content: center;
    animation: progressRotate 2s ease-out;
}

.circle-progress::before {
    content: '';
    position: absolute;
    inset: 8px;
    border-radius: 50%;
    background: var(--bg-secondary);
}

.circle-text {
    position: relative;
    z-index: 2;
    text-align: center;
}

.circle-text .percentage {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.circle-text .label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

@keyframes progressRotate {
    from {
        transform: rotate(-90deg);
    }
    to {
        transform: rotate(0deg);
    }
}

/* 概览统计区域 */
.overview-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--bg-secondary);
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
}

.overview-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.overview-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-600));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.overview-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    font-size: 1.125rem;
    flex-shrink: 0;
}

.card-content {
    flex: 1;
}

.card-number {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 0.125rem;
}

.card-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.375rem;
}

.card-change {
    display: flex;
    align-items: center;
    gap: 0.125rem;
    font-size: 0.7rem;
    font-weight: 500;
}

.card-change.positive {
    color: var(--success-600);
}

.card-change.negative {
    color: var(--danger-600);
}

/* 分类进度区域 */
.category-progress-section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
}

.category-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
    cursor: pointer;
}

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

.category-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.category-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: var(--radius-md);
    background-color: var(--primary-100);
    color: var(--primary-600);
    font-size: 1rem;
}

.category-info {
    flex: 1;
}

.category-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.125rem;
}

.category-info p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.category-percentage {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-600);
}

.progress-bar {
    width: 100%;
    height: 6px;
    background-color: var(--gray-200);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-600));
    border-radius: 3px;
    transition: width 1s ease-out;
    animation: progressSlide 2s ease-out;
}

@keyframes progressSlide {
    from {
        width: 0 !important;
    }
}

.category-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.125rem;
}

.stat-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.stat-value {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* 最近完成和成就区域 */
.recent-completions-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--bg-secondary);
}

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
}

.completions-column .section-header,
.achievements-column .section-header {
    text-align: left;
    margin-bottom: var(--spacing-xl);
}

/* 完成列表 */
.completions-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.completion-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.completion-item:hover {
    border-color: var(--primary-200);
    transform: translateX(4px);
}

.completion-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: var(--radius-sm);
    background-color: var(--success-100);
    color: var(--success-600);
    flex-shrink: 0;
}

.completion-info {
    flex: 1;
}

.completion-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.125rem;
}

.completion-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.completion-points {
    display: flex;
    align-items: center;
    gap: 0.125rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-600);
}

/* 成就网格 */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--spacing-sm);
}

.achievement-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.achievement-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-200);
}

.achievement-item.locked {
    opacity: 0.5;
    cursor: default;
}

.achievement-item.locked:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--border-primary);
}

.achievement-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--warning-400), var(--warning-600));
    color: white;
    font-size: 1.125rem;
}

.achievement-item.locked .achievement-icon {
    background: var(--gray-300);
    color: var(--gray-500);
}

.achievement-title {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.25;
}

.achievement-description {
    font-size: 0.6rem;
    color: var(--text-secondary);
    line-height: 1.25;
}

/* 时间线区域 */
.timeline-section {
    padding: var(--spacing-2xl) 0;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary-500), var(--primary-300));
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: var(--spacing-xl);
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: var(--spacing-xl);
    text-align: left;
}

.timeline-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    position: relative;
    transition: all var(--transition-fast);
}

.timeline-content:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-200);
}

.timeline-item:nth-child(odd) .timeline-content::after {
    content: '';
    position: absolute;
    top: 20px;
    right: -8px;
    width: 0;
    height: 0;
    border: 8px solid transparent;
    border-left-color: var(--bg-secondary);
}

.timeline-item:nth-child(even) .timeline-content::after {
    content: '';
    position: absolute;
    top: 20px;
    left: -8px;
    width: 0;
    height: 0;
    border: 8px solid transparent;
    border-right-color: var(--bg-secondary);
}

.timeline-marker {
    position: absolute;
    top: 16px;
    width: 16px;
    height: 16px;
    background: var(--primary-600);
    border: 3px solid var(--bg-primary);
    border-radius: 50%;
    z-index: 2;
}

.timeline-item:nth-child(odd) .timeline-marker {
    right: -8px;
}

.timeline-item:nth-child(even) .timeline-marker {
    left: -8px;
}

.timeline-date {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.timeline-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.timeline-description {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.125rem;
    margin-top: var(--spacing-xs);
}

.timeline-item:nth-child(odd) .timeline-tags {
    justify-content: flex-end;
}

.timeline-tag {
    font-size: 0.6rem;
    padding: 0.1rem 0.3rem;
    background-color: var(--primary-100);
    color: var(--primary-700);
    border-radius: var(--radius-sm);
    font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-header .header-content {
        gap: var(--spacing-lg);
        text-align: center;
    }

    .overview-grid {
        grid-template-columns: 1fr;
    }

    .category-grid {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 3rem !important;
        padding-right: 0 !important;
        text-align: left !important;
    }

    .timeline-item .timeline-content::after {
        display: none;
    }

    .timeline-marker {
        left: 12px !important;
        right: auto !important;
    }

    .timeline-tags {
        justify-content: flex-start !important;
    }
}

@media (max-width: 640px) {
    .page-header {
        height: 320px;
    }
    
    .progress-message {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .stat-circle {
        width: 100px;
        height: 100px;
    }

    .circle-text .percentage {
        font-size: 1.25rem;
    }

    .overview-card {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm);
    }

    .card-number {
        font-size: 1.5rem;
    }

    .achievements-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 简化移动端装饰效果 */
    .progress-bg-decoration .progress-grid {
        opacity: 0.3;
    }
    
    .floating-progress-icon {
        display: none;
    }
    
    .progress-circle.circle-1,
    .progress-circle.circle-2 {
        opacity: 0.3;
    }
    
    .progress-circle.circle-3 {
        display: none;
    }
    
    .progress-particles {
        display: none;
    }
}

/* 进度页面专用动画 */
@keyframes progressFloat {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-15px) rotate(3deg);
    }
}

@keyframes floatProgressIcon {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.7;
    }
    25% {
        transform: translateY(-8px) rotate(1deg);
        opacity: 0.9;
    }
    75% {
        transform: translateY(4px) rotate(-1deg);
        opacity: 0.5;
    }
}

@keyframes progressGridMove {
    0% {
        background-position: 0 0, 0 0;
    }
    100% {
        background-position: 25px 25px, 25px 25px;
    }
}

@keyframes particleFloat {
    0%, 100% {
        transform: translateY(0px) scale(1);
        opacity: 0.6;
    }
    33% {
        transform: translateY(-20px) scale(1.2);
        opacity: 0.8;
    }
    66% {
        transform: translateY(10px) scale(0.8);
        opacity: 0.4;
    }
}

@keyframes fireFlicker {
    0%, 100% {
        transform: scale(1) rotate(0deg);
    }
    25% {
        transform: scale(1.1) rotate(2deg);
    }
    50% {
        transform: scale(0.9) rotate(-1deg);
    }
    75% {
        transform: scale(1.05) rotate(1deg);
    }
}

@keyframes expandAccent {
    0% {
        width: 0;
        opacity: 0;
    }
    100% {
        width: 60px;
        opacity: 1;
    }
}

@keyframes slideInLeft {
    0% {
        transform: translateX(-30px);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}