:root {
    --primary-blue: #0078D4;
    --primary-dark: #106EBE;
    --primary-light: #E1F0FF;
    --accent-blue: #50E6FF;
    --success: #107C10;
    --warning: #FFB900;
    --error: #E81123;
    --text-primary: #323130;
    --text-secondary: #605E5C;
    --border-color: #D2D0CE;
    --surface-white: #FFFFFF;
    --surface-gray: #FAF9F8;
    --secondary-gray: #F3F2F1;
    --sidebar-width: 220px;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 8px rgba(0,0,0,0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Segoe UI", "Segoe WP", Segoe, device-segoe, Tahoma, Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--surface-gray);
}

.layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.bc-sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(to bottom, var(--primary-dark) 0%, var(--primary-blue) 100%);
    color: white;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow);
    z-index: 1000;
}

.bc-sidebar-brand {
    padding: 20px 15px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.bc-sidebar-brand a {
    color: white;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    display: block;
}

.bc-sidebar-nav {
    flex: 1;
    padding: 15px 0;
    list-style: none;
    overflow-y: auto;
}

.bc-sidebar-nav li {
    margin-bottom: 2px;
}

.bc-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    padding: 12px 20px;
    transition: all 0.2s ease;
    font-size: 14px;
    font-weight: 500;
    border-left: 3px solid transparent;
}

.bc-nav-item:hover {
    background-color: rgba(255,255,255,0.1);
    color: white;
    border-left-color: rgba(255,255,255,0.5);
}

.bc-nav-item.active {
    background-color: rgba(255,255,255,0.15);
    color: white;
    border-left-color: white;
    font-weight: 600;
}

.bc-nav-item .nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.bc-nav-item.simulator {
    background-color: rgba(16, 124, 16, 0.8);
    margin: 10px 10px 0 10px;
    border-radius: 4px;
    border-left: none;
}

.bc-nav-item.simulator:hover {
    background-color: rgba(16, 124, 16, 1);
}

/* Submenu */
.nav-group-toggle {
    cursor: pointer;
}

.nav-chevron {
    width: 16px;
    height: 16px;
    margin-left: auto;
    transition: transform 0.2s ease;
}

.nav-group-toggle.expanded .nav-chevron {
    transform: rotate(180deg);
}

.nav-submenu {
    display: none;
    list-style: none;
    background-color: rgba(0,0,0,0.15);
    margin: 0 10px 10px 10px;
    border-radius: 0 0 4px 4px;
    overflow: hidden;
}

.bc-nav-item-sub {
    display: block;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    padding: 10px 20px 10px 40px;
    font-size: 13px;
    transition: all 0.2s ease;
}

.bc-nav-item-sub:hover {
    background-color: rgba(255,255,255,0.1);
    color: white;
}

.bc-sidebar-footer {
    padding: 15px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.bc-nav-item.settings {
    border-left: none;
    justify-content: center;
    background-color: rgba(0,0,0,0.2);
    margin: 0 10px;
    border-radius: 4px;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 30px;
    margin-left: var(--sidebar-width);
    background-color: var(--surface-gray);
    min-height: 100vh;
}

.content-header {
    margin-bottom: 30px;
}

.page-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.page-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
}

.card {
    background-color: var(--surface-white);
    border-radius: 4px;
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 20px;
}

.card-header {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.btn {
    display: inline-block;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow-hover);
}

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

.btn-success:hover {
    background-color: #0E6B0E;
}

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

.btn-danger:hover {
    background-color: #C50F1F;
}

.btn-secondary {
    background-color: var(--secondary-gray);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: #E1DFDD;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-primary);
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 8px 12px;
    font-size: 14px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--surface-white);
    color: var(--text-primary);
    font-family: inherit;
    transition: border-color 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px var(--primary-light);
}

.form-control:disabled {
    background-color: var(--secondary-gray);
    color: var(--text-secondary);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--surface-white);
}

.table thead th {
    background-color: var(--secondary-gray);
    padding: 12px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

.table tbody td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

.table tbody tr:hover {
    background-color: var(--surface-gray);
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 12px;
    text-align: center;
}

.badge-success {
    background-color: var(--success);
    color: white;
}

.badge-danger {
    background-color: var(--error);
    color: white;
}

.badge-warning {
    background-color: var(--warning);
    color: #323130;
}

.badge-secondary {
    background-color: var(--secondary-gray);
    color: var(--text-primary);
}

.badge-primary {
    background-color: var(--primary-blue);
    color: white;
}

.alert {
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-success {
    background-color: #DFF6DD;
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-danger {
    background-color: #FDE7E9;
    border: 1px solid var(--error);
    color: var(--error);
}

.alert-warning {
    background-color: #FFF4CE;
    border: 1px solid var(--warning);
    color: #8A6116;
}

.alert-info {
    background-color: var(--primary-light);
    border: 1px solid var(--primary-blue);
    color: var(--primary-dark);
}

.text-danger {
    color: var(--error);
    font-size: 12px;
    margin-top: 4px;
}

.text-success {
    color: var(--success);
}

.text-center {
    text-align: center;
}

.mt-3 {
    margin-top: 1rem;
}

.mb-3 {
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .bc-sidebar {
        width: 60px;
    }
    
    .bc-sidebar-brand a,
    .bc-nav-item span:not(.nav-icon) {
        display: none;
    }
    
    .bc-nav-item {
        justify-content: center;
        padding: 15px;
    }
    
    .main-content {
        margin-left: 60px;
        padding: 15px;
    }

    .page-title {
        font-size: 20px;
    }
}

/* Dark Mode */
body.dark-mode {
    --primary-blue: #4DB8FF;
    --primary-dark: #0078D4;
    --primary-light: #1E3A5F;
    --text-primary: #E1E1E1;
    --text-secondary: #A0A0A0;
    --border-color: #444444;
    --surface-white: #2D2D2D;
    --surface-gray: #1E1E1E;
    --secondary-gray: #3D3D3D;
}

body.dark-mode .bc-sidebar {
    background: linear-gradient(to bottom, #1a1a1a 0%, #252525 100%);
}

body.dark-mode .form-control {
    background-color: #3D3D3D;
    border-color: #555555;
    color: #E1E1E1;
}

body.dark-mode .form-control:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px rgba(77, 184, 255, 0.3);
}

body.dark-mode .form-control:disabled {
    background-color: #252525;
    color: #808080;
}

body.dark-mode .table thead th {
    background-color: #3D3D3D;
    color: #E1E1E1;
}

body.dark-mode .table tbody tr:hover {
    background-color: #3D3D3D;
}

body.dark-mode .btn-secondary {
    background-color: #4D4D4D;
    color: #FFFFFF;
    border-color: #666666;
}

body.dark-mode .btn-secondary:hover {
    background-color: #5D5D5D;
    color: #FFFFFF;
}

body.dark-mode .btn-primary {
    background-color: #0078D4;
    color: #FFFFFF;
}

body.dark-mode .btn-success {
    background-color: #107C10;
    color: #FFFFFF;
}

body.dark-mode .btn-danger {
    background-color: #E81123;
    color: #FFFFFF;
}

body.dark-mode .alert-success {
    background-color: #1E3D1E;
    border-color: #107C10;
    color: #6FCF6F;
}

body.dark-mode .alert-danger {
    background-color: #3D1E1E;
    border-color: #E81123;
    color: #FF6B6B;
}

body.dark-mode .badge-secondary {
    background-color: #4D4D4D;
    color: #E1E1E1;
}

body.dark-mode .badge-primary {
    background-color: #0078D4;
    color: #FFFFFF;
}

body.dark-mode .badge-warning {
    background-color: #FFB900;
    color: #1E1E1E;
}

body.dark-mode pre {
    background-color: #1E1E1E !important;
    color: #E1E1E1;
}

body.dark-mode a {
    color: var(--primary-blue);
}

body.dark-mode .bc-nav-item.simulator {
    background-color: rgba(16, 124, 16, 0.9);
}

/* Result success box */
.result-success-box {
    background-color: #DFF6DD;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    color: #1E1E1E;
}

body.dark-mode .result-success-box {
    background-color: #1E3D1E;
    color: #E1E1E1;
}

body.dark-mode .result-success-box .form-label {
    color: #A0A0A0;
}

/* License key box */
.license-key-box {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: monospace;
    background-color: var(--secondary-gray);
    padding: 8px 12px;
    border-radius: 4px;
    color: var(--text-primary);
}

.copy-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

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

/* Fraud row highlight */
.table tbody tr.fraud-row {
    background-color: #FDE7E9;
}

.table tbody tr.fraud-row:hover {
    background-color: #FACDD2;
}

body.dark-mode .table tbody tr.fraud-row {
    background-color: #4D2A2A;
}

body.dark-mode .table tbody tr.fraud-row:hover {
    background-color: #5D3333;
}

/* Checkbox and radio styling */
input[type="checkbox"],
input[type="radio"] {
    accent-color: var(--primary-blue);
    width: 18px;
    height: 18px;
    cursor: pointer;
}

body.dark-mode input[type="checkbox"],
body.dark-mode input[type="radio"] {
    accent-color: #107C10;
}