/* Profile Page Styles */
.profile-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    min-height: calc(100vh - 120px);
}

/* Loading State */
.profile-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.loading-content {
    text-align: center;
    color: var(--text-secondary);
}

.loading-content .loading {
    width: 40px;
    height: 40px;
    border-width: 4px;
    margin-bottom: 1rem;
}

.loading-content p {
    font-size: 1.125rem;
    font-weight: 500;
}

.profile-container {
    background: var(--bg-secondary);
    border-radius: 20px;
    border: 1px solid var(--border-default);
    box-shadow: 0 20px 40px var(--shadow-default);
    overflow: hidden;
}

/* Profile Header */
.profile-header {
    display: flex;
    align-items: center;
    padding: 3rem 2.5rem;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border-bottom: 1px solid var(--border-default);
    gap: 2rem;
    position: relative;
    overflow: hidden;
}

.profile-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(31, 111, 235, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(137, 87, 229, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.profile-avatar {
    position: relative;
    z-index: 2;
}

.avatar-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--gradient-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: 700;
    color: white;
    box-shadow: 0 8px 24px rgba(31, 111, 235, 0.3);
    border: 4px solid var(--bg-secondary);
}

.profile-info {
    flex: 1;
    position: relative;
    z-index: 2;
}

.profile-info h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.profile-email {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.profile-stats {
    display: flex;
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid var(--border-default);
    backdrop-filter: blur(8px);
    min-width: 80px;
}

.stat-number {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--accent-secondary);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.profile-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: relative;
    z-index: 2;
}

.profile-actions .btn {
    min-width: 140px;
    justify-content: center;
}

/* Profile Navigation */
.profile-nav {
    display: flex;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-default);
    overflow-x: auto;
}

.profile-tab-btn {
    background: none;
    border: none;
    padding: 1.25rem 2rem;
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.profile-tab-btn:hover {
    color: var(--text-primary);
    background: rgba(31, 111, 235, 0.05);
}

.profile-tab-btn.active {
    color: var(--accent-secondary);
    border-bottom-color: var(--accent-secondary);
    background: rgba(31, 111, 235, 0.1);
}

.profile-tab-btn span {
    font-size: 1.125rem;
}

/* Profile Content */
.profile-content {
    padding: 2.5rem;
}

.profile-tab-content {
    display: none;
}

.profile-tab-content.active {
    display: block;
    animation: fadeInUp 0.4s ease;
}

.profile-tab-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

/* Videos Grid */
.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.profile-video-card {
    background: var(--bg-tertiary);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-default);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.profile-video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px var(--shadow-default);
    border-color: var(--accent-secondary);
}

.profile-video-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.profile-video-info {
    padding: 1.5rem;
}

.profile-video-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.profile-video-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.video-category {
    background: var(--bg-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.video-remove-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(218, 54, 51, 0.9);
    color: white;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    opacity: 0;
    transform: scale(0.8);
}

.profile-video-card:hover .video-remove-btn {
    opacity: 1;
    transform: scale(1);
}

.video-remove-btn:hover {
    background: var(--accent-danger);
    transform: scale(1.1);
}

/* Settings Section */
.settings-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.setting-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    border-radius: 16px;
    padding: 2rem;
}

.setting-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.setting-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.referral-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.referral-info label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: block;
}

.referral-code-display,
.referral-link-display {
    display: flex;
    gap: 0.75rem;
}

.referral-code-display input,
.referral-link-display input {
    flex: 1;
    padding: 0.875rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: monospace;
    font-size: 0.9rem;
}

.danger-zone {
    border-color: var(--accent-danger);
    background: rgba(218, 54, 51, 0.05);
}

.danger-zone h4 {
    color: var(--accent-danger);
}

.danger-actions {
    display: flex;
    gap: 1rem;
}

/* Share Modal Styles */
.referral-share {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.share-option {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.share-option label {
    font-weight: 600;
    color: var(--text-primary);
}

.share-input {
    display: flex;
    gap: 0.75rem;
}

.share-input input {
    flex: 1;
    padding: 0.875rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: monospace;
    font-size: 0.875rem;
}

.share-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 1rem;
}

.btn-success {
    background: #25D366;
    color: white;
}

.btn-success:hover {
    background: #128C7E;
}

/* Delete Account Modal */
.delete-warning {
    text-align: center;
}

.delete-warning ul {
    text-align: left;
    margin: 1rem 0;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.delete-warning li {
    margin-bottom: 0.5rem;
}

#deleteConfirmation {
    width: 100%;
    padding: 0.875rem;
    margin: 1rem 0;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-default);
    border-radius: 8px;
    color: var(--text-primary);
    text-align: center;
    font-weight: 600;
}

#deleteConfirmation:focus {
    border-color: var(--accent-danger);
}

.delete-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.5rem;
}

/* Empty States */
.empty-videos {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-videos h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.empty-videos p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.empty-videos .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .profile-main {
        padding: 1rem;
    }
    
    .profile-header {
        flex-direction: column;
        text-align: center;
        padding: 2rem 1.5rem;
        gap: 1.5rem;
    }
    
    .profile-stats {
        justify-content: center;
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .profile-actions {
        flex-direction: row;
        justify-content: center;
    }
    
    .profile-nav {
        flex-wrap: nowrap;
        overflow-x: auto;
    }
    
    .profile-tab-btn {
        padding: 1rem 1.5rem;
        min-width: max-content;
    }
    
    .profile-content {
        padding: 1.5rem;
    }
    
    .videos-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .share-buttons {
        flex-direction: column;
    }
    
    .referral-code-display,
    .referral-link-display {
        flex-direction: column;
    }
    
    .delete-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .profile-header {
        padding: 1.5rem 1rem;
    }
    
    .avatar-circle {
        width: 100px;
        height: 100px;
        font-size: 2.5rem;
    }
    
    .profile-info h1 {
        font-size: 2rem;
    }
    
    .profile-stats {
        gap: 0.75rem;
    }
    
    .stat-item {
        padding: 0.75rem;
        min-width: 60px;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .profile-content {
        padding: 1rem;
    }
    
    .setting-card {
        padding: 1.5rem;
    }
}

/* Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}