/**
 * 组件样式
 * TSF研究所 - ACG文化兴趣部落
 */

/* ==========================================
   Buttons
   ========================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-body-medium);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--color-text-white);
    border-color: transparent;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    color: var(--color-text-white);
}

.btn-arrow {
    transition: transform var(--transition-fast);
}

.btn:hover .btn-arrow {
    transform: translateX(4px);
}

.btn-secondary {
    background: var(--color-bg-secondary);
    color: var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-primary);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-large {
    padding: 18px 36px;
    font-size: var(--font-size-base);
}

.btn-white {
    background: var(--color-text-white);
    color: var(--color-accent);
}

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

/* ==========================================
   Tags
   ========================================== */

.tag {
    display: inline-block;
    padding: 4px 12px;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-body-medium);
    border-radius: var(--radius-full);
    color: var(--color-text-white);
}

.tag-animation {
    background: var(--color-tag-animation);
}

.tag-game {
    background: var(--color-tag-game);
}

.tag-comic {
    background: var(--color-tag-comic);
}

.tag-culture {
    background: var(--color-tag-culture);
}

/* ==========================================
   Cards
   ========================================== */

.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-smooth);
}

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

.card-image {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.card-body {
    padding: var(--spacing-card-padding);
}

.card-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-small);
}

.card-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ==========================================
   Forms
   ========================================== */

.form-group {
    margin-bottom: var(--spacing-element);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-body-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-small);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 14px 18px;
    font-size: var(--font-size-base);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-error {
    font-size: var(--font-size-xs);
    color: var(--color-red);
    margin-top: 4px;
}

.form-input.error,
.form-textarea.error {
    border-color: var(--color-red);
}

/* ==========================================
   Modal
   ========================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal-overlay);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.modal {
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    max-width: 560px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform var(--transition-spring);
}

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

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-card-padding);
    border-bottom: 1px solid var(--color-border);
}

.modal-title {
    font-size: var(--font-size-lg);
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    color: var(--color-text-tertiary);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

.modal-body {
    padding: var(--spacing-card-padding);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-element);
    padding: var(--spacing-card-padding);
    border-top: 1px solid var(--color-border);
}

/* ==========================================
   Team Cards
   ========================================== */

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

@media (max-width: 1024px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .team-grid {
        grid-template-columns: 1fr;
    }
}

.team-card {
    background: var(--color-bg-card);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.team-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.team-avatar svg {
    width: 100%;
    height: 100%;
}

.team-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text-primary);
}

.team-role {
    font-size: 14px;
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: 0;
}

/* ==========================================
   Directions Cards
   ========================================== */

.directions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

@media (max-width: 768px) {
    .directions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .directions-grid {
        grid-template-columns: 1fr;
    }
}

.direction-card {
    background: var(--color-bg-card);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.direction-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.direction-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.direction-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-text-primary);
}

.direction-card p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ==========================================
   Contact Section
   ========================================== */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

.contact-info h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--color-text-primary);
}

.contact-info p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.contact-item {
    margin-bottom: 16px;
}

.contact-item strong {
    display: block;
    font-size: 14px;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.contact-item p,
.contact-item a {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.contact-item a {
    color: var(--color-accent);
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

/* ==========================================
   About Grid
   ========================================== */

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

.about-text h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--color-text-primary);
}

.about-text p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: var(--color-bg-secondary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==========================================
   Timeline
   ========================================== */

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}

.timeline-item {
    position: relative;
    margin-bottom: 32px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -40px;
    top: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-accent);
    border: 3px solid var(--color-bg-card);
    box-shadow: 0 0 0 2px var(--color-accent);
}

.timeline-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text-primary);
}

.timeline-content p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ==========================================
   Badges
   ========================================== */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: var(--font-size-xs);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
}

.badge-primary {
    background: var(--color-accent-soft);
    color: var(--color-accent);
}

/* ==========================================
   Dividers
   ========================================== */

.divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--spacing-component) 0;
}

.divider-text {
    display: flex;
    align-items: center;
    gap: var(--spacing-element);
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
}

.divider-text::before,
.divider-text::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

/* ==========================================
   Avatar
   ========================================== */

.avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    overflow: hidden;
    background: var(--color-bg-secondary);
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-group {
    display: flex;
}

.avatar-group .avatar {
    margin-left: -12px;
    border: 2px solid var(--color-bg-card);
}

.avatar-group .avatar:first-child {
    margin-left: 0;
}

/* ==========================================
   Progress
   ========================================== */

.progress {
    width: 100%;
    height: 8px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

/* ==========================================
   Tooltip
   ========================================== */

.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-4px);
    padding: 8px 12px;
    background: var(--color-primary);
    color: var(--color-text-white);
    font-size: var(--font-size-xs);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: var(--z-tooltip);
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-8px);
}

/* ==========================================
   Loading States
   ========================================== */

.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-bg-secondary) 25%,
        var(--color-bg-tertiary) 50%,
        var(--color-bg-secondary) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}