.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-height: 90vh;
    overflow-y: auto;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal.active .modal-content {
    transform: translate(-50%, -50%) scale(1);
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-body);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
    z-index: 10;
}

.modal-close:hover {
    background: var(--accent-red);
    color: white;
    border-color: var(--accent-red);
    transform: rotate(90deg);
}


.welcome-modal-content {
    width: 90%;
    max-width: 900px;
    padding: 3rem;
}

.welcome-header {
    text-align: center;
    margin-bottom: 3rem;
}

.welcome-header h2 {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.welcome-header p {
    font-size: 1.1rem;
    color: var(--text-muted);
}

.welcome-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .welcome-grid {
        grid-template-columns: 1.5fr 1fr;
        align-items: stretch;
    }

    .welcome-section-full {
        grid-column: 1 / -1;
    }
}

.welcome-section {
    background: var(--bg-body);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.welcome-section-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.welcome-section-header svg {
    color: var(--accent-blue);
    flex-shrink: 0;
}

.welcome-section-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
}


.welcome-preview {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 1.25rem;
    height: 321.5px;
    overflow-y: auto;
}

.welcome-preview::-webkit-scrollbar {
    width: 6px;
}

.welcome-preview::-webkit-scrollbar-track {
    background: transparent;
}

.welcome-preview::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 3px;
}

.welcome-preview::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

.welcome-preview h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.welcome-preview p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

.welcome-preview-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.welcome-preview-category {
    color: var(--accent-blue);
}


.welcome-stats {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 1rem;
}

.welcome-stat-item {
    text-align: center;
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 1.25rem 0.75rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}


.welcome-quick-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

@media (min-width: 768px) {
    .welcome-quick-nav {
        grid-template-columns: repeat(4, 1fr);
    }
}

.welcome-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 1rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-main);
}

.welcome-nav-item svg {
    color: var(--accent-blue);
    transition: all 0.3s;
}

.welcome-nav-item span {
    font-size: 0.9rem;
    font-weight: 600;
}

.welcome-nav-item:hover {
    transform: translateY(-4px);
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(96, 165, 250, 0.05));
}

.welcome-nav-item:hover svg {
    transform: scale(1.1);
    color: var(--accent-yellow);
}


.welcome-footer {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-light);
}

.welcome-footer .btn-primary {
    font-size: 1rem;
    padding: 1rem 3rem;
    cursor: pointer;
    border: none;
}


@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}


.welcome-preview.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100px;
}

.welcome-preview.loading::after {
    content: "";
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-light);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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


@media (max-width: 768px) {
    .welcome-modal-content {
        width: 95%;
        padding: 2rem 1.5rem;
        max-height: 85vh;
    }

    .welcome-header h2 {
        font-size: 1.75rem;
    }

    .welcome-header p {
        font-size: 0.95rem;
    }

    .welcome-stats {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .welcome-modal-content {
        padding: 1.5rem 1rem;
    }

    .welcome-header {
        margin-bottom: 2rem;
    }

    .welcome-header h2 {
        font-size: 1.5rem;
    }

    .modal-close {
        top: 1rem;
        right: 1rem;
        width: 36px;
        height: 36px;
    }

    .welcome-section {
        padding: 1rem;
    }

    .welcome-quick-nav {
        grid-template-columns: 1fr;
    }

    .welcome-footer .btn-primary {
        width: 100%;
        padding: 0.875rem 2rem;
    }
}