/* CSS Variables */
:root {
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --secondary-color: #64748b;
  --danger-color: #ef4444;
  --dark-color: #1e293b;
  --light-color: #f8fafc;
  --border-color: #e2e8f0;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
}

html {
    height: 100%;
}

body {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 30%, #334155 70%, #475569 100%);
    background-attachment: fixed;
    min-height: 100vh;
    font-family: 'Inter', sans-serif;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
}

a {
    color: var(--primary-color);
}

a:hover {
    color: var(--primary-dark);
}

.main-content {
    background: transparent;
    margin-left: 0;
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.main-content>.container-fluid {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
}

.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 12px 12px 0 0 !important;
    padding: 1.5rem;
}

.back-btn {
    color: white !important;
    font-size: 20px;
    text-decoration: none;
}

.back-btn .bx {
    font-size: 2rem;
}

.btn {
    padding: 10px 20px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--danger-color);
    border-color: var(--danger-color);
}

.btn-danger:hover {
    background: var(--danger-color);
    border-color: var(--danger-color);
    transform: translateY(-1px);
}

.form-control {
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
}

.login-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    z-index: 9999 !important;
}

.navbar-vertical .navbar-nav .nav-link > i {
    font-size: 1.25rem;
    line-height: 1;
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 26px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    -webkit-transition: .4s;
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    -webkit-transition: .4s;
    transition: .4s;
}

input:checked+.slider {
    background-color: var(--primary-light);
}

input:focus+.slider {
    box-shadow: 0 0 1px var(--primary-light);
}

input:checked+.slider:before {
    -webkit-transform: translateX(32px);
    -ms-transform: translateX(32px);
    transform: translateX(32px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

.custom-nav-item {
    margin: 0;
    padding: 0;
    width: 100%;
}

.custom-nav-item .nav-link {
    padding: 1rem 1.5rem !important;
    margin: 0 !important;
    width: 100% !important;
    border-radius: 0 !important;
    transition: all 0.3s ease;
    display: flex !important;
    align-items: center;
    gap: 0.75rem;
    box-sizing: border-box;
}

.custom-nav-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transition: background-color 0.3s ease;
}

.custom-nav-item:hover .nav-link {
    color: #ffffff !important;
    transform: none;
}

.custom-nav-item.active {
    background-color: rgba(255, 255, 255, 0.2);
    position: relative;
}

.custom-nav-item .nav-link i {
    font-size: 1.25rem;
    width: 20px;
    text-align: center;
}

.custom-nav-item .nav-link:hover {
    background-color: transparent;
}


.custom-nav-item:not(:last-child) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-vertical {
    padding: 0 !important;
    overflow-y: auto;
    overflow-x: hidden;
}

.navbar-vertical .container-fluid {
    padding: 0 !important;
}

.navbar-vertical .navbar-nav {
    margin: 0 !important;
    padding: 0 !important;
}

.navbar-brand-text {
    padding: 1.5rem;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 1rem;
}

.custom-nav-item.active,
.custom-nav-item .nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    position: relative;
}

.custom-nav-item.active::before,
.custom-nav-item .nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary-color), var(--primary-dark));
}

.custom-nav-item.active .nav-link,
.custom-nav-item .nav-link.active {
    color: #ffffff !important;
    font-weight: 600;
}

.custom-nav-item .nav-link.active {
    background-color: transparent;
}

.custom-nav-item:has(.nav-link.active) {
    background-color: rgba(255, 255, 255, 0.2);
    position: relative;
}

.custom-nav-item:has(.nav-link.active)::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary-color), var(--primary-dark));
}

.custom-nav-item .nav-link.active {
    background-color: rgba(255, 255, 255, 0.2) !important;
}

.custom-file .custom-file-label {
    overflow: hidden;
    white-space: nowrap;
}

.custom-file .custom-file-label::after {
    color: #495057;
    background-color: #e9ecef;
}


/* Datatable Responsive */
div.dataTables_wrapper {
    font-size: .9rem;
}

div.dataTables_wrapper .dataTables_length select,
div.dataTables_wrapper .dataTables_filter input {
    border-color: #cad1d7;
    border-radius: .375rem;
    padding: .233rem .75rem;
}

div.dataTables_wrapper .dataTables_length select {
    background: #fff url('data:image/svg+xml;charset=utf8,%3Csvg xmlns=\'http://www.w3.org/2000/svg\' viewBox=\'0 0 4 5\'%3E%3Cpath fill=\'%2332325d\' d=\'M2 0L0 2h4zm0 5L0 3h4z\'/%3E%3C/svg%3E') no-repeat right .75rem center;
    background-size: 8px 10px;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, .075);
    padding-right: 1.75rem;
    -webkit-appearance: none;
       -moz-appearance: none;
            appearance: none;
}

div,
.dataTables_wrapper .dataTables_length select,
div.dataTables_wrapper .dataTables_filter input:focus {
    outline: none;
}

div.dataTables_wrapper .dataTables_paginate .paginate_button {
    background-color: #f0f2f4;
    border-color: #f0f2f4;
    border-radius: .375rem;
    line-height: 1.278;
    min-width: 2.1875rem;
    padding: .507em .5em;
}

div.dataTables_wrapper .dataTables_paginate .paginate_button.current,
div.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover,
div.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: var(--primary-dark);
    border-color: var(--primary-color);
    color: #fff !important;
    box-shadow: 0 .125rem .25rem rgba(37, 99, 235, .4);
}

div.dataTables_wrapper .dataTables_paginate .paginate_button.disabled,
div.dataTables_wrapper .dataTables_paginate .paginate_button.disabled:hover,
div.dataTables_wrapper .dataTables_paginate .paginate_button.disabled:active {
    background-color: #f0f2f4;
    border-color: #f0f2f4;
    color: #525f7f !important;
    line-height: 1;
}

div.dataTables_wrapper table.dataTable.dtr-inline.collapsed>tbody>tr:not(.parent)>td.dtr-control:before {
    background-color: #2563eb;
}

div.dataTables_wrapper .dataTables_scroll div.dataTables_scrollBody {
    border-color: #e9ecef;
}

table.dataTable thead tr th,
table.dataTable thead tr td {
    border-bottom: none;
}

table.dataTable>tbody>tr.child>td {
    padding: 0;
}

table.dataTable>tbody>tr.child>td ul.dtr-details {
    display: block;
    white-space: normal;
}

table.dataTable>tbody>tr.child>td ul.dtr-details>li {
    display: flex;
    padding: 0;
}

table.dataTable>tbody>tr.child>td .dtr-title {
    font-size: .65rem;
    padding: 10px 1.5rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    width: 40%;
}

table.dataTable>tbody>tr.child>td .dtr-data {
    border-left: 1px solid #e9ecef;
    padding: .5em 1rem;
    width: 60%;
}

table.dataTable>tbody>tr.child li:nth-child(odd) .dtr-data {
    background-color: #f9f9f9;
}

table.dataTable>tbody>tr.child .dtr-data a~a {
    margin-left: 10px;
}

table.dataTable tbody tr:hover {
    background-color: transparent !important;
}

table.dataTable tbody tr:hover td {
    background-color: transparent !important;
}

.action-buttons-container {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 0.5rem 0.5rem;
    width: 100%;
    max-width: 100%;
    overflow: visible;
}

.action-buttons-container .btn {
    white-space: nowrap;
    border: 1px solid #e5e7eb;
    color: #6b7280;
    background: #ffffff;
    font-size: 12px;
    font-weight: 500;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    transition: all 0.2s ease;
    flex-shrink: 0;
    min-width: 80px;
    max-width: none;
    margin: 0;
}

.action-buttons-container .btn:hover {
    background: #f9fafb;
    border-color: #d1d5db;
    color: #374151;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

table.dataTable td:last-child {
    width: auto !important;
    min-width: 200px !important;
    max-width: none !important;
    white-space: normal !important;
}

.modal-content {
    transition: box-shadow 0.2s ease;
}

.form-select:focus {
    border-color: #3b82f6 !important;
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25) !important;
}

.modal-footer .btn:hover {
    opacity: 0.9;
}

.btn-close-custom {
    background: none !important;
    border: none !important;
    padding: 0.5rem !important;
    width: auto !important;
    height: auto !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    border-radius: 50% !important;
    transition: all 0.2s ease !important;
}

.btn-close-custom:hover {
    background-color: rgba(0, 0, 0, 0.1) !important;
    transform: scale(1.1) !important;
}

.btn-close-custom i {
    font-size: 1.25rem !important;
    color: #6b7280 !important;
    line-height: 1 !important;
}

.btn-close-custom:hover i {
    color: #374151 !important;
}

.dropdown-menu .form-select:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25) !important;
    background-color: #ffffff !important;
}

.dropdown-menu .form-select:hover {
    border-color: var(--primary-dark) !important;
    background-color: #ffffff !important;
}

.dropdown-menu .btn:hover {
    transform: translateY(-1px) !important;
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4) !important;
}

.dropdown-menu .btn-outline-secondary:hover {
    background-color: #6b7280 !important;
    color: white !important;
    border-color: #6b7280 !important;
}

table.dataTable td:last-child .action-buttons-container {
    flex-wrap: wrap;
    width: 100%;
    max-width: 100%;
}

/* DataTables responsive styles moved to consolidated media query at bottom */

.action-buttons-container .btn i {
    font-size: 11px;
    vertical-align: middle;
    margin-right: 4px;
}

.action-buttons-container .btn-outline-danger {
    border-color: #fecaca;
    color: var(--danger-color);
}

.action-buttons-container .btn-outline-danger:hover {
    background: #fef2f2;
    border-color: #fca5a5;
    color: var(--danger-color);
}

/* Action buttons responsive styles moved to consolidated media query at bottom */

.footer {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 0;
    margin-top: auto;
}

.footer p {
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
    font-size: 0.875rem;
}

.footer a {
    color: var(--primary-light);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer a:hover {
    color: white;
}

.nav-pills .nav-link {
    color: var(--primary-color);
}
.nav-pills .nav-link:hover {
    color: var(--primary-dark);
}
.nav-pills .nav-link.active,
.nav-pills .show > .nav-link {
    background-color: var(--primary-dark);
    color: #FFFFFF;
}

.match-card-body {
    background-color: #f9f9f9;
}

.match-players {
    font-size: 13px;
}

.match-players > span:not(.match-vs) {
    display: block;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.match-vs {
    display: block;
    font-weight: bold;
}

.match-card-body .nav-pills {
    row-gap: .5rem;
}

@media (min-width: 768px) {
    .match-card-body > .tab-content {
        height: calc(100vh - 275px);
        overflow-x: hidden;
        overflow-y: auto;
    }

    .match-card-body > .tab-content::-webkit-scrollbar {
        width: 10px;
    }

    .match-card-body > .tab-content::-webkit-scrollbar-track {
        background: transparent;
    }

    .match-card-body > .tab-content::-webkit-scrollbar-thumb {
        background: #e6e6e6;
        border-radius: 10px;
    }
}

/* Match card responsive styles moved to consolidated media query at bottom */

@media (max-width: 575.98px) {
    .nav-pills .nav-item {
        margin-bottom: 0;
    }
}

/* Loader */
.loader {
    display: none;
    position: absolute;
    height: 100%;
    width: 100%;
    top: 0;
    left: 0;
    opacity: .7;
    background: #000;
    pointer-events: none;
    z-index: 9;
}

.lds-roller {
    top: 50%;
    display: inline-block;
    position: absolute;
    width: 80px;
    height: 80px;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.lds-roller div {
    animation: lds-roller 1.2s cubic-bezier(.5, 0, .5, 1) infinite;
    transform-origin: 40px 40px;
}

.lds-roller div:after {
    content: " ";
    display: block;
    position: absolute;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #fff;
    margin: -4px 0 0 -4px;
}

.lds-roller div:nth-child(1) {
    animation-delay: -.036s;
}

.lds-roller div:nth-child(1):after {
    top: 63px;
    left: 63px;
}

.lds-roller div:nth-child(2) {
    animation-delay: -.072s;
}

.lds-roller div:nth-child(2):after {
    top: 68px;
    left: 56px;
}

.lds-roller div:nth-child(3) {
    animation-delay: -.108s;
}

.lds-roller div:nth-child(3):after {
    top: 71px;
    left: 48px;
}

.lds-roller div:nth-child(4) {
    animation-delay: -.144s;
}

.lds-roller div:nth-child(4):after {
    top: 72px;
    left: 40px;
}

.lds-roller div:nth-child(5) {
    animation-delay: -.18s;
}

.lds-roller div:nth-child(5):after {
    top: 71px;
    left: 32px;
}

.lds-roller div:nth-child(6) {
    animation-delay: -.216s;
}

.lds-roller div:nth-child(6):after {
    top: 68px;
    left: 24px;
}

.lds-roller div:nth-child(7) {
    animation-delay: -.252s;
}

.lds-roller div:nth-child(7):after {
    top: 63px;
    left: 17px;
}

.lds-roller div:nth-child(8) {
    animation-delay: -.288s;
}

.lds-roller div:nth-child(8):after {
    top: 56px;
    left: 12px;
}

@keyframes lds-roller {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.leaderboard-toggle-container {
    display: flex;
    align-items: center;
}

.toggle-switch {
    position: relative;
    display: flex;
    background: #f8f9fa;
    border-radius: 18px;
    padding: 2px;
    border: 1px solid #e9ecef;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
    min-width: 140px;
    height: 30px;
}

.toggle-switch input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-option {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px 8px;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
    font-weight: 500;
    color: #6c757d;
    text-align: center;
    height: 100%;
}

.toggle-option i {
    margin-right: 3px;
    font-size: 12px;
}

.toggle-option span {
    font-size: 11px;
}

.toggle-slider {
    position: absolute;
    top: 2px;
    left: 2px;
    width: calc(50% - 2px);
    height: calc(100% - 4px);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 1px 4px rgba(0, 123, 255, 0.3);
    z-index: 1;
}

#monthlyToggle:checked ~ .toggle-slider {
    left: 2px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

#monthlyToggle:checked ~ .toggle-option[for="monthlyToggle"] {
    color: white;
    font-weight: 600;
}

#seasonalToggle:checked ~ .toggle-slider {
    left: calc(50% + 1px);
    background: linear-gradient(135deg, #ffc107 0%, #ff8c00 100%);
}

#seasonalToggle:checked ~ .toggle-option[for="seasonalToggle"] {
    color: white;
    font-weight: 600;
}

.toggle-option:hover {
    color: #495057;
    transform: translateY(-1px);
}

#monthlyToggle:checked ~ .toggle-option[for="monthlyToggle"]:hover,
#seasonalToggle:checked ~ .toggle-option[for="seasonalToggle"]:hover {
    color: white;
}

.toggle-option.active {
    color: white !important;
    font-weight: 600 !important;
}

#tournamentLeaderboard {
    width: 100% !important;
}

#tournamentLeaderboard tbody tr {
    transition: all 0.3s ease;
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background-color: white;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background-color: var(--primary-dark);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 123, 255, 0.3);
}

#versionSelectBtn .badge {
    opacity: 1 !important;
    visibility: visible !important;
    display: inline-block !important;
    color: white !important;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%) !important;
}

#versionSelectBtn:hover .badge {
    opacity: 1 !important;
    visibility: visible !important;
    display: inline-block !important;
    color: var(--primary-color) !important;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%) !important;
    border: 1px solid #007bff !important;
}

.btn-warning {
    background: linear-gradient(135deg, #ffc107 0%, #ff8c00 100%);
    border: none;
    color: #212529;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(255, 193, 7, 0.3);
}

.btn-warning:hover {
    background: linear-gradient(135deg, #ff8c00 0%, #ff6b00 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(255, 193, 7, 0.4);
    color: #212529;
}

.btn-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
    border: none;
    color: white;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(108, 117, 125, 0.3);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #495057 0%, #343a40 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(108, 117, 125, 0.4);
    color: white;
}

.btn {
    transition: all 0.2s ease;
    border-radius: 6px;
    font-weight: 500;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.badge {
    font-size: 0.75rem;
    padding: 0.4em 0.6em;
    border-radius: 12px;
    font-weight: 600;
}

.badge-warning {
    background: linear-gradient(45deg, #ffc107, #ff8c00);
    color: #000 !important;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(255,255,255,0.3);
}

.badge-success {
    background: linear-gradient(45deg, #28a745, #20c997);
    color: white !important;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.badge-info {
    background: linear-gradient(45deg, #17a2b8, #6f42c1);
    color: white !important;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.badge-primary {
    background: linear-gradient(45deg, #007bff, #0056b3);
    color: white !important;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.badge-secondary {
    background: linear-gradient(45deg, #6c757d, #495057);
    color: white !important;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.empty-state {
    padding: 2rem 1rem;
    color: #6c757d;
}

.empty-state i {
    font-size: 3rem;
    opacity: 0.3;
    margin-bottom: 1rem;
}

.modal-content {
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    border: none;
}

.modal-header {
    border-bottom: 1px solid #e9ecef;
    background-color: #f8f9fa;
    border-radius: 8px 8px 0 0;
}

.modal-footer {
    border-top: 1px solid #e9ecef;
    background-color: #f8f9fa;
    border-radius: 0 0 8px 8px;
}

.leaderboard-controls-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

.leaderboard-buttons-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
}

.simple-gap-container {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

@media (max-width: 480px) {
    .toggle-option {
        padding: 6px 12px;
    }
    
    .toggle-option i {
        margin-right: 4px;
        font-size: 14px;
    }
    
    .toggle-option span {
        font-size: 12px;
    }
}

.card-header {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-bottom: 1px solid #dee2e6;
}

.card-header h1 {
    color: #495057;
    font-weight: 700;
    font-size: 1.5rem;
}

@media (max-width: 480px) {
    .toggle-switch {
        min-width: 120px;
        height: 28px;
    }
    
    .toggle-option {
        padding: 3px 6px;
    }
    
    .toggle-option i {
        margin-right: 2px;
        font-size: 11px;
    }
    
    .toggle-option span {
        font-size: 10px;
    }
}

.level-button {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    color: #6c757d;
    transition: all 0.3s ease;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

.level-button:hover {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.3);
}

.level-button.active {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    border-color: #007bff;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.4);
}

.level-button i {
    font-size: 16px;
    transition: all 0.3s ease;
}

.level-button.active i {
    color: #ffd700;
    text-shadow: 0 0 8px rgba(255, 215, 0, 0.5);
}

.level-button-group {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border: 1px solid rgba(0, 123, 255, 0.1);
}

@media (max-height: 700px) {
    .login-page {
      align-items: flex-start !important;
      overflow-y: auto !important;
    }
}

@media (max-width: 768px) {
    .navbar-vertical {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: auto !important;
        width: 280px !important;
        height: 100vh !important;
        z-index: 1050 !important;
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
        display: block !important;
        background: #1e293b !important;
        border: none !important;
        box-shadow: none !important;
        color: #ffffff !important;
    }
    
    .navbar-vertical.show {
        transform: translateX(0);
    }
    
    .navbar-vertical .navbar-collapse {
        position: relative;
        z-index: 1;
        display: flex !important;
        flex-direction: column !important;
        height: calc(100vh - 100px) !important;
        overflow: visible !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    
    .navbar-vertical .navbar-nav:first-child {
        flex-grow: 1 !important;
    }
    
    .navbar-vertical .mt-auto {
        margin-top: auto !important;
    }
    
    .navbar-vertical .navbar-nav {
        display: block !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        list-style: none !important;
    }
    
    .navbar-vertical .custom-nav-item {
        display: block !important;
        width: 100% !important;
    }
    
    .navbar-vertical .nav-link {
        display: flex !important;
        align-items: center !important;
        padding: 0.75rem 1rem !important;
        color: #ffffff !important;
        text-decoration: none !important;
        font-weight: bold !important;
        font-size: 0.9rem !important;
        background: transparent !important;
        border: none !important;
    }
    
    .navbar-vertical .nav-link:hover {
        color: #ffffff !important;
        background: rgba(255, 255, 255, 0.1) !important;
    }
    
    .navbar-vertical .nav-link i {
        margin-right: 0.5rem !important;
        font-size: 1rem !important;
        color: #ffffff !important;
    }
    
    .navbar-vertical .nav-link span {
        color: #ffffff !important;
        font-weight: bold !important;
    }
    
    .navbar-vertical * {
        color: #ffffff !important;
    }
    
    .navbar-vertical .navbar-brand-text h4,
    .navbar-vertical .navbar-brand-text small {
        color: #ffffff !important;
    }
    
    .navbar-vertical .custom-nav-item a {
        opacity: 1 !important;
        visibility: visible !important;
        display: flex !important;
    }
    
    .navbar-vertical .custom-nav-item {
        opacity: 1 !important;
        visibility: visible !important;
        display: block !important;
        height: auto !important;
        min-height: 40px !important;
        background: transparent !important;
        margin: 1px 0 !important;
        border: none !important;
    }
    
    .navbar-vertical * {
        color: #ffffff !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    .navbar-vertical .navbar-nav {
        display: block !important;
        list-style: none !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    
    .navbar-vertical::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        z-index: -1;
        opacity: 0;
        transition: opacity 0.3s ease-in-out;
        pointer-events: none;
    }
    
    .navbar-vertical.show::before {
        opacity: 1;
        pointer-events: auto;
    }
    
    .main-content {
        margin-left: 0 !important;
        width: 100% !important;
    }

    .dtr-details {
        width: 100% !important;
        max-width: 100% !important;
        overflow-x: auto !important;
        word-wrap: break-word !important;
        word-break: break-word !important;
    }
    
    .dtr-details li {
        width: 100% !important;
        max-width: 100% !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
    }
    
    .dtr-details .dtr-title {
        width: 30% !important;
        min-width: 80px !important;
        max-width: 30% !important;
    }
    
    .dtr-details .dtr-data {
        width: 70% !important;
        max-width: 70% !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
    }
    
    .dataTables_wrapper {
        overflow-x: auto !important;
        width: 100% !important;
        max-width: 100% !important;
    }
    
    .dataTables_scrollBody {
        overflow-x: auto !important;
        max-width: 100% !important;
    }
    
    .dtr-details {
        padding: 8px !important;
        margin: 0 !important;
        border: none !important;
        background: transparent !important;
    }
    
    .dtr-details li {
        display: block !important;
        padding: 4px 0 !important;
        border-bottom: 1px solid #e5e7eb !important;
        margin: 0 !important;
    }
    
    .dtr-details li:last-child {
        border-bottom: none !important;
    }
    
    .dtr-details .dtr-title {
        font-weight: 500 !important;
        color: #374151 !important;
        font-size: 12px !important;
        margin-bottom: 2px !important;
        display: block !important;
        width: 100% !important;
    }
    
    .dtr-details .dtr-data {
        color: #6b7280 !important;
        font-size: 13px !important;
        white-space: normal !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
        display: block !important;
        width: 100% !important;
        padding: 0 !important;
        background: transparent !important;
        border: none !important;
    }

    .action-buttons-container {
        flex-wrap: wrap;
        gap: 0.5rem 0.5rem;
    }
    
    .action-buttons-container .btn {
        font-size: 11px;
        padding: 0.25rem 0.5rem;
        flex-shrink: 0;
        margin: 0;
    }
    
    .action-buttons-container .btn i {
        font-size: 10px;
        margin-right: 3px;
    }

    .match-card-body .nav-pills {
        column-gap: .5rem;
    }

    .leaderboard-controls-container {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .toggle-switch {
        min-width: 100%;
        width: 100%;
    }
    
    .leaderboard-buttons-container {
        flex-direction: row;
        gap: 0.5rem;
        justify-content: center;
    }
    
    .btn {
        flex: 1;
        min-width: 0;
    }

    .level-button {
        padding: 0.625rem 1rem;
        font-size: 0.8125rem;
        margin: 0 0.125rem;
    }
    
    .level-button i {
        font-size: 0.875rem;
    }
    
    .level-button-group {
        padding: 0.75rem;
    }
}