/* 按钮样式 */
.material-button {
    align-items: center;
    justify-content: center;
    padding: var(--space-2) var(--space-4);
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    border: none;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all var(--duration-medium) ease;
    box-shadow: var(--shadow-1);
    overflow: hidden;
    position: relative;
}

.material-button:hover {
    background-color: color-mix(in srgb, var(--color-primary), black 10%);
    box-shadow: var(--shadow-2);
    transform: translateY(-2px);
}

.material-button:active {
    transform: translateY(0);
    box-shadow: var(--shadow-1);
}

.material-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%, -50%);
    transform-origin: 50% 50%;
}

.material-button:focus:not(:active)::after {
    animation: ripple 0.6s ease-out;
}

/* 图标按钮 */
.icon-button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    border: none;
    color: var(--color-on-surface-variant);
    cursor: pointer;
    transition: all var(--duration-medium) ease;
}

.icon-button:hover {
    background-color: rgba(0,0,0,0.05);
    color: var(--color-on-surface);
}

.icon-button:active {
    background-color: rgba(0,0,0,0.1);
}

/* 快速入口网格 */
.quick-access-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-3);
}

.quick-access-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--color-on-surface-variant);
    transition: all var(--duration-medium) ease;
}

.quick-access-item:hover {
    color: var(--color-primary);
    transform: translateY(-4px);
}

.item-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-medium);
    background-color: var(--color-primary-container);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-2);
    transition: all var(--duration-medium) ease;
}

.quick-access-item:hover .item-icon {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
}

.quick-access-item span {
    font-size: 0.75rem;
    text-align: center;
}

/* 活动列表 */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.activity-item {
    display: flex;
    align-items: center;
    padding: var(--space-2);
    border-radius: var(--radius-medium);
    transition: all var(--duration-medium) ease;
}

.activity-item:hover {
    background-color: rgba(0,0,0,0.05);
}

.activity-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--color-secondary-container);
    color: var(--color-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: var(--space-2);
}

.activity-content {
    flex: 1;
}

.activity-content p {
    font-size: 0.875rem;
    margin-bottom: var(--space-1);
}

.activity-time {
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
}

/* 欢迎卡片特定样式 */
.welcome-card {
    position: relative;
    overflow: hidden;
}

.welcome-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 70%);
    transform: rotate(30deg);
    z-index: 0;
}

.welcome-card .card-content {
    position: relative;
    z-index: 1;
}

.welcome-card h2 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-2);
}

.welcome-card p {
    color: var(--color-on-surface-variant);
    margin-bottom: var(--space-3);
}

/* 设置按钮的弹出菜单 */
.settings-menu {
    position: absolute;
    top: 60px;
    right: var(--space-4);
    background-color: var(--color-surface);
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-3);
    padding: var(--space-2) 0;
    min-width: 200px;
    z-index: 20;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--duration-medium) ease;
}

.settings-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.menu-item {
    padding: var(--space-2) var(--space-3);
    display: flex;
    align-items: center;
    color: var(--color-on-surface);
    text-decoration: none;
    transition: all var(--duration-short) ease;
}

.menu-item:hover {
    background-color: rgba(0,0,0,0.05);
}

.menu-item i {
    margin-right: var(--space-2);
    width: 20px;
    text-align: center;
}
/* 项目页面特定样式 */
.filter-tags {
    display: flex;
    gap: var(--space-2);
    overflow-x: auto;
    padding-bottom: var(--space-2);
}

.filter-tag {
    padding: var(--space-2) var(--space-3);
    background-color: var(--color-surface-variant);
    color: var(--color-on-surface-variant);
    border: none;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--duration-medium) ease;
    white-space: nowrap;
}

.filter-tag:hover {
    background-color: color-mix(in srgb, var(--color-surface-variant), black 10%);
}

.filter-tag.active {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.project-card {
    display: flex;
    flex-direction: column;
    transition: transform var(--duration-medium) ease;
}

.project-card:hover {
    transform: translateY(-8px);
}

.project-image {
    position: relative;
    border-radius: var(--radius-medium) var(--radius-medium) 0 0;
    overflow: hidden;
    aspect-ratio: 16/9;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-long) ease;
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-badge {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
}

.project-content {
    padding: var(--space-3);
    flex: 1;
}

.project-content h3 {
    margin-bottom: var(--space-2);
    font-size: 1.1rem;
}

.project-description {
    color: var(--color-on-surface-variant);
    font-size: 0.875rem;
    margin-bottom: var(--space-3);
}

.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
}

.project-date i {
    margin-right: var(--space-1);
}

.project-status {
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: var(--font-weight-medium);
}

.project-status.completed {
    background-color: var(--color-primary-container);
    color: var(--color-primary);
}

.project-status.ongoing {
    background-color: var(--color-tertiary-container);
    color: var(--color-tertiary);
}

.project-actions {
    padding: 0 var(--space-3) var(--space-3);
}

.material-button.outlined {

    background-color: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
}

.material-button.outlined:hover {
    background-color: rgba(var(--color-primary), 0.08);
}

.material-button.small {
    padding: var(--space-1) var(--space-3);
    font-size: 0.75rem;
}

.load-more {
    display: flex;
    justify-content: center;
    margin-top: var(--space-4);
}

/* 联系页面特定样式 */
.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--space-3);
}

.contact-method {
    display: flex;
    grid-column: span 12;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-medium);
    transition: all var(--duration-medium) ease;
}

.contact-method:hover {
    background-color: rgba(0,0,0,0.05);
}

.method-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-medium);
    background-color: var(--color-primary-container);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.method-info {
    flex: 1;
}

.method-info h3 {
    font-size: 1rem;
    margin-bottom: var(--space-1);
}

.method-info p {
    font-size: 0.875rem;
    color: var(--color-on-surface-variant);
    margin-bottom: var(--space-2);
}

.form-group {
    margin-bottom: var(--space-3);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-1);
    font-size: 0.875rem;
    color: var(--color-on-surface-variant);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-surface-variant);
    border-radius: var(--radius-medium);
    background-color: var(--color-surface);
    font-family: var(--font-family);
    transition: all var(--duration-medium) ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(var(--color-primary), 0.2);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-3) 0;
}

.social-link {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    transition: all var(--duration-medium) ease;
}

.social-link:hover {
    transform: translateY(-4px);
}
.social-link.bilibili { background-color: #FFC0CB; }
.social-link.twitter { background-color: #1DA1F2; }
.social-link.github { background-color: #333; }
.social-link.dribbble { background-color: #EA4C89; }
.social-link.behance { background-color: #1769FF; }
.social-link.instagram { 
    background: linear-gradient(45deg, #405DE6, #5851DB, #833AB4, #C13584, #E1306C, #FD1D1D);
}

/* 提示条 */
.snackbar {
    visibility: hidden;
    min-width: 250px;
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    text-align: center;
    border-radius: var(--radius-medium);
    padding: var(--space-3) var(--space-4);
    position: fixed;
    z-index: 100;
    left: 50%;
    bottom: var(--space-5);
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.snackbar.show {
    visibility: visible;
    opacity: 1;
}