/* ============================================================
   MODAL COMPONENT
   ============================================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: modalFadeIn 0.3s ease;
}

.modal-overlay.active {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    z-index: 10000 !important;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    animation: modalSlideIn 0.3s ease;
    box-shadow: var(--shadow-xl);
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-30px) scale(0.95);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.modal-sm {
    max-width: 400px;
}

.modal-md {
    max-width: 600px;
}

.modal-lg {
    max-width: 800px;
}

.modal-xl {
    max-width: 1100px;
}

.modal-container {
    display: flex;
    flex-direction: column;
    max-height: 90vh;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--light-gray);
    flex-shrink: 0;
}

.modal-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0;
    color: var(--dark);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.3rem;
    color: var(--gray);
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: var(--transition);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--light-bg);
    color: var(--dark);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.modal-body p {
    margin-bottom: 16px;
}

.modal-body p:last-child {
    margin-bottom: 0;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--light-gray);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    flex-shrink: 0;
    flex-wrap: wrap;
}

.modal-footer .btn {
    min-width: 80px;
}

/* Modal Loading State */
.modal-loading {
    text-align: center;
    padding: 30px 20px;
}

.modal-loading .spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--light-gray);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 15px;
}

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

/* Modal Success/Error States */
.modal-success,
.modal-error {
    text-align: center;
    padding: 30px 20px;
}

.modal-success i {
    font-size: 4rem;
    color: var(--secondary);
    display: block;
    margin-bottom: 15px;
}

.modal-error i {
    font-size: 4rem;
    color: var(--accent);
    display: block;
    margin-bottom: 15px;
}

.modal-success h4,
.modal-error h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    .modal {
        max-width: 100%;
        margin: 10px;
        border-radius: var(--border-radius);
    }
    
    .modal-header {
        padding: 16px 20px;
    }
    
    .modal-body {
        padding: 20px;
    }
    
    .modal-footer {
        padding: 12px 20px;
        flex-direction: column;
    }
    
    .modal-footer .btn {
        width: 100%;
        justify-content: center;
    }
    
    .modal-sm {
        max-width: 100%;
    }
    
    .modal-lg,
    .modal-xl {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .modal-overlay {
        padding: 10px;
    }
    
    .modal-header {
        padding: 14px 16px;
    }
    
    .modal-title {
        font-size: 1rem;
    }
    
    .modal-body {
        padding: 16px;
    }
}

/* Modal Form Styles */
.modal-body .form-group {
    margin-bottom: 16px;
}

.modal-body .form-group:last-child {
    margin-bottom: 0;
}

.modal-body .form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 0.95rem;
}

.modal-body .form-group .form-control {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--light-gray);
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: var(--transition);
}

.modal-body .form-group .form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 60, 225, 0.1);
}

.modal-body .form-group .form-control.error {
    border-color: var(--accent);
}

.modal-body .form-group .form-hint {
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: 4px;
}

.modal-body .form-group .form-error {
    font-size: 0.85rem;
    color: var(--accent);
    margin-top: 4px;
}

/* ============================================================
   NOTIFICATION COMPONENT
   ============================================================ */

.notification-container {
    position: fixed;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 450px;
    width: 100%;
    padding: 10px;
    pointer-events: none;
}

/* Positions */
.notification-container-top-right {
    top: 20px;
    right: 20px;
    align-items: flex-end;
}

.notification-container-top-left {
    top: 20px;
    left: 20px;
    align-items: flex-start;
}

.notification-container-bottom-right {
    bottom: 20px;
    right: 20px;
    align-items: flex-end;
    flex-direction: column-reverse;
}

.notification-container-bottom-left {
    bottom: 20px;
    left: 20px;
    align-items: flex-start;
    flex-direction: column-reverse;
}

.notification-container-top-center {
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    align-items: center;
}

.notification-container-bottom-center {
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    align-items: center;
    flex-direction: column-reverse;
}

/* Individual Notification */
.notification {
    pointer-events: auto;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 450px;
    overflow: hidden;
    transform: translateX(0);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.notification-show {
    opacity: 1;
    transform: translateX(0);
}

.notification-hide {
    opacity: 0;
    transform: translateX(50px);
}

/* Positions with animation */
.notification-container-top-right .notification-hide {
    transform: translateX(50px);
}

.notification-container-top-left .notification-hide {
    transform: translateX(-50px);
}

.notification-container-bottom-right .notification-hide {
    transform: translateX(50px);
}

.notification-container-bottom-left .notification-hide {
    transform: translateX(-50px);
}

.notification-container-top-center .notification-hide {
    transform: translateY(-20px);
}

.notification-container-bottom-center .notification-hide {
    transform: translateY(20px);
}

/* Notification Wrapper */
.notification-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 18px;
    position: relative;
}

/* Icon */
.notification-icon {
    flex-shrink: 0;
    font-size: 1.4rem;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}

/* Content */
.notification-content {
    flex: 1;
    min-width: 0;
}

.notification-title {
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 4px 0;
    color: var(--dark);
}

.notification-message {
    font-size: 0.95rem;
    color: var(--gray);
    margin: 0;
    line-height: 1.5;
    word-wrap: break-word;
}

/* Close Button */
.notification-close {
    flex-shrink: 0;
    background: none;
    border: none;
    color: var(--gray);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 4px;
    border-radius: 50%;
    transition: var(--transition);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: -4px;
}

.notification-close:hover {
    background: var(--light-bg);
    color: var(--dark);
}

/* Progress Bar */
.notification-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary);
    overflow: hidden;
}

.notification-progress-bar {
    height: 100%;
    background: var(--primary);
    animation: notificationProgress linear forwards;
}

@keyframes notificationProgress {
    from {
        width: 100%;
    }
    to {
        width: 0%;
    }
}

/* Type Specific Styles */
.notification-success {
    border-left: 4px solid #10B981;
}

.notification-success .notification-icon {
    color: #10B981;
}

.notification-error {
    border-left: 4px solid #EF4444;
}

.notification-error .notification-icon {
    color: #EF4444;
}

.notification-warning {
    border-left: 4px solid #F59E0B;
}

.notification-warning .notification-icon {
    color: #F59E0B;
}

.notification-info {
    border-left: 4px solid #3B82F6;
}

.notification-info .notification-icon {
    color: #3B82F6;
}

/* Clickable notification */
.notification[style*="cursor:pointer"]:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-xl);
}

/* ============================================================
   RESPONSIVE NOTIFICATIONS
   ============================================================ */
@media (max-width: 768px) {
    .notification-container {
        max-width: 100%;
        padding: 8px;
    }
    
    .notification-container-top-right,
    .notification-container-top-left {
        top: 10px;
        right: 10px;
        left: 10px;
    }
    
    .notification-container-bottom-right,
    .notification-container-bottom-left {
        bottom: 10px;
        right: 10px;
        left: 10px;
    }
    
    .notification-container-top-center,
    .notification-container-bottom-center {
        top: 10px;
        left: 10px;
        right: 10px;
        transform: none;
        max-width: calc(100% - 20px);
    }
    
    .notification {
        max-width: 100%;
    }
    
    .notification-wrapper {
        padding: 14px 16px;
        gap: 12px;
    }
    
    .notification-icon {
        font-size: 1.2rem;
        width: 28px;
        height: 28px;
    }
    
    .notification-title {
        font-size: 0.95rem;
    }
    
    .notification-message {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .notification-wrapper {
        padding: 12px 14px;
        gap: 10px;
    }
    
    .notification-icon {
        font-size: 1.1rem;
        width: 24px;
        height: 24px;
    }
    
    .notification-title {
        font-size: 0.9rem;
    }
    
    .notification-message {
        font-size: 0.85rem;
    }
    
    .notification-close {
        font-size: 1rem;
        width: 24px;
        height: 24px;
    }
}

/* ============================================================
   NOTIFICATION STACKING
   ============================================================ */
.notification-container .notification + .notification {
    margin-top: 8px;
}

.notification-container-bottom-right .notification + .notification,
.notification-container-bottom-left .notification + .notification,
.notification-container-bottom-center .notification + .notification {
    margin-top: 0;
    margin-bottom: 8px;
}

/* Notification count badge */
.notification-count {
    position: relative;
}

.notification-count .badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--accent);
    color: var(--white);
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 50%;
    min-width: 18px;
    text-align: center;
}

/* ============================================================
   NETWORK TREE COMPONENT
   ============================================================ */

.network-tree-container {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    overflow: auto;
    max-height: 800px;
}

.network-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray);
}

.network-empty i {
    font-size: 4rem;
    color: var(--light-gray);
    display: block;
    margin-bottom: 16px;
}

.network-empty p {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.network-empty span {
    font-size: 0.95rem;
}

/* Network Tree Header */
.network-tree-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--light-gray);
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.network-tree-header h3 {
    font-size: 1.2rem;
    margin: 0;
}

.network-stats {
    display: flex;
    gap: 20px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    color: var(--gray);
}

.stat-item i {
    color: var(--primary);
}

.network-controls {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.network-controls .btn {
    padding: 6px 14px;
    font-size: 0.85rem;
}

/* Network Tree Body */
.network-tree-body {
    position: relative;
    padding: 10px 0;
}

/* Network Node */
.network-node {
    position: relative;
    margin-bottom: 4px;
}

.node-content {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    border: 2px solid transparent;
}

.node-content:hover {
    background: var(--light-bg);
}

.network-node.selected .node-content {
    border-color: var(--primary);
    background: rgba(108, 60, 225, 0.05);
}

/* Node Avatar */
.node-avatar {
    position: relative;
    flex-shrink: 0;
}

.node-avatar img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--light-gray);
}

.node-toggle {
    position: absolute;
    bottom: -6px;
    right: -6px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid var(--white);
    background: var(--primary);
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    transition: var(--transition);
    padding: 0;
}

.node-toggle:hover {
    transform: scale(1.1);
}

.node-toggle.collapsed i {
    transform: rotate(-90deg);
}

.node-toggle.expanded i {
    transform: rotate(0deg);
}

/* Node Info */
.node-info {
    flex: 1;
    min-width: 0;
}

.node-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--dark);
}

.node-meta {
    display: flex;
    gap: 10px;
    font-size: 0.8rem;
    color: var(--gray);
    flex-wrap: wrap;
}

.node-rank {
    background: var(--primary-gradient);
    color: var(--white);
    padding: 1px 8px;
    border-radius: 50px;
    font-weight: 500;
}

.node-joined {
    color: var(--gray-light);
}

.node-commission {
    color: var(--secondary);
    font-weight: 600;
}

.node-level-badge {
    display: inline-block;
    padding: 1px 10px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--white);
    margin-top: 4px;
}

/* Node Actions */
.node-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.node-action {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--gray);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    text-decoration: none;
}

.node-action:hover {
    background: var(--light-bg);
    color: var(--primary);
}

/* Node Children */
.node-children {
    padding-left: 30px;
    position: relative;
    border-left: 2px solid var(--light-gray);
    margin-left: 20px;
}

.node-children::before {
    content: '';
    position: absolute;
    top: 0;
    left: -2px;
    width: 2px;
    height: 20px;
    background: var(--light-gray);
}

.node-children.collapsed {
    padding: 8px 0 8px 30px;
}

.children-count {
    font-size: 0.85rem;
    color: var(--gray);
    font-weight: 500;
}

/* Horizontal Layout */
.network-tree.horizontal .network-node {
    display: inline-block;
    vertical-align: top;
    margin-right: 20px;
}

.network-tree.horizontal .node-children {
    display: flex;
    gap: 20px;
    padding-left: 0;
    border-left: none;
    margin-left: 0;
    justify-content: center;
    flex-wrap: wrap;
}

.network-tree.horizontal .node-children::before {
    display: none;
}

.network-tree.horizontal .node-children .network-node {
    margin-right: 0;
}

/* Search Results */
.network-node.search-match .node-content {
    background: rgba(251, 191, 36, 0.1);
    border-color: #FBBF24;
}

.network-node.search-match .node-name {
    color: #D97706;
}

/* Loading States */
.network-loading {
    text-align: center;
    padding: 40px;
}

.network-loading .spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--light-gray);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

/* ============================================================
   RESPONSIVE NETWORK TREE
   ============================================================ */
@media (max-width: 1024px) {
    .network-tree-container {
        padding: 16px;
    }
    
    .network-tree-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .network-stats {
        gap: 12px;
    }
}

@media (max-width: 768px) {
    .network-tree-container {
        padding: 12px;
        max-height: 600px;
    }
    
    .node-content {
        padding: 10px 12px;
        gap: 12px;
        flex-wrap: wrap;
    }
    
    .node-avatar img {
        width: 32px;
        height: 32px;
    }
    
    .node-name {
        font-size: 0.9rem;
    }
    
    .node-meta {
        font-size: 0.75rem;
        gap: 6px;
    }
    
    .node-actions {
        gap: 2px;
    }
    
    .node-action {
        width: 26px;
        height: 26px;
        font-size: 0.8rem;
    }
    
    .node-children {
        padding-left: 16px;
        margin-left: 12px;
    }
    
    .network-controls {
        width: 100%;
        justify-content: flex-start;
    }
    
    .network-controls .btn {
        font-size: 0.8rem;
        padding: 4px 10px;
    }
}

@media (max-width: 480px) {
    .network-tree-container {
        padding: 8px;
        max-height: 500px;
    }
    
    .network-tree-header h3 {
        font-size: 1rem;
    }
    
    .stat-item {
        font-size: 0.8rem;
    }
    
    .node-content {
        padding: 8px 10px;
        gap: 10px;
    }
    
    .node-avatar img {
        width: 28px;
        height: 28px;
    }
    
    .node-name {
        font-size: 0.85rem;
    }
    
    .node-toggle {
        width: 18px;
        height: 18px;
        font-size: 0.6rem;
        bottom: -4px;
        right: -4px;
    }
    
    .node-children {
        padding-left: 12px;
        margin-left: 8px;
    }
    
    .node-children.collapsed {
        padding: 4px 0 4px 12px;
    }
}

/* Scrollbar Styling */
.network-tree-container::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.network-tree-container::-webkit-scrollbar-track {
    background: var(--light-bg);
    border-radius: 3px;
}

.network-tree-container::-webkit-scrollbar-thumb {
    background: var(--light-gray);
    border-radius: 3px;
}

.network-tree-container::-webkit-scrollbar-thumb:hover {
    background: var(--gray-light);
}