/*-- CSS Variables for Modern Theme --*/
:root {
    /*-- Color Palette --*/
    --color-primary: #d93f00;
    --color-primary-light: #ff6b35;
    --color-primary-dark: #b33200;
    --color-secondary: #4a5568;
    --color-secondary-light: #718096;
    --color-accent: #ed8936;
    --color-success: #48bb78;
    --color-danger: #f56565;
    --color-warning: #ecc94b;
    
    /*-- Neutral Colors --*/
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /*-- Glass Morphism --*/
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --glass-blur: blur(10px);
    
    /*-- Spacing --*/
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /*-- Typography --*/
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    
    /*-- Transitions --*/
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
    
    /*-- Border Radius --*/
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /*-- Sidebar --*/
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 80px;
}

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

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/*-- Dashboard Container --*/
.dashboard-container {
    display: flex;
    min-height: 100vh;
    position: relative;
}

/*-- Sidebar Styles --*/
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-right: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    padding: var(--spacing-xl);
    padding-bottom: var(--spacing-sm);
    overflow-y: auto;
    transition: transform var(--transition-base);
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

/*-- Sidebar Logo --*/
.sidebar-logo {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--glass-border);
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-icon {
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-800);
}

/*-- Sidebar Navigation --*/
.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    flex: 1;
}

.nav-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.nav-section-title {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-sm);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--color-gray-700);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.nav-link:hover {
    background: rgba(217, 63, 0, 0.1);
    color: var(--color-primary);
    transform: translateX(5px);
}

.nav-link.active {
    background: rgba(217, 63, 0, 0.15);
    color: var(--color-primary);
    font-weight: 600;
}

.nav-link.active::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--color-primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

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

/*-- Page Navigation Indicators --*/
.page-nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.page-indicator {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--color-gray-400);
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.page-nav-link:hover .page-indicator {
    background: var(--color-primary);
    transform: scale(1.2);
}

.page-nav-link.active .page-indicator {
    background: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(217, 63, 0, 0.2);
}

/*-- Environment Buttons --*/
.environment-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.env-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
}

.env-btn:hover {
    background: rgba(217, 63, 0, 0.1);
    color: var(--color-primary);
}

.env-btn.active {
    background: rgba(217, 63, 0, 0.15);
    color: var(--color-primary);
    font-weight: 600;
}

.env-indicator {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--color-gray-400);
    transition: all var(--transition-base);
}

.env-btn.active .env-indicator {
    background: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(217, 63, 0, 0.2);
}

/*-- Control Button --*/
.control-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    background: var(--glass-bg);
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    width: 100%;
}

.control-btn:hover {
    background: rgba(217, 63, 0, 0.1);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(217, 63, 0, 0.15);
}

.control-icon {
    width: 20px;
    height: 20px;
}

/*-- Sidebar Footer --*/
.sidebar-footer {
    margin-top: auto;
    padding-top: var(--spacing-xl);
    text-align: center;
}

.sidebar-cat-image {
    width: 100%;
    max-width: 200px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform var(--transition-base);
}

.sidebar-cat-image:hover {
    transform: scale(1.05);
}

/*-- Sidebar Toggle --*/
.sidebar-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--color-gray-700);
    cursor: pointer;
    transition: all var(--transition-base);
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

.sidebar-toggle:hover {
    background: rgba(217, 63, 0, 0.1);
    color: var(--color-primary);
}

/*-- Mobile Backdrop --*/
.mobile-backdrop {
    display: none;
}

/*-- Mobile Menu Button --*/
.mobile-menu-btn {
    display: none;
    position: fixed;
    top: var(--spacing-md);
    left: var(--spacing-md);
    z-index: 998;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--glass-shadow);
    gap: var(--spacing-sm);
    align-items: center;
}

.mobile-menu-btn:hover {
    background: rgba(217, 63, 0, 0.1);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.mobile-menu-btn svg {
    width: 20px;
    height: 20px;
}

/*-- Main Content --*/
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: var(--spacing-2xl);
    min-height: 100vh;
    transition: margin-left var(--transition-base);
    display: flex;
    flex-direction: column;
}

/*-- Glass Effect --*/
.glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-xl);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}


/*-- Glass Buttons --*/
.btn-glass {
    padding: var(--spacing-md) var(--spacing-xl);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-glass.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    border: none;
}

.btn-glass.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(217, 63, 0, 0.3);
}

.btn-glass.btn-secondary {
    color: var(--color-gray-700);
}

.btn-glass.btn-secondary:hover {
    background: rgba(217, 63, 0, 0.1);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

/*-- iFrame Section --*/
.iframe-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    animation: slideUp 0.8s ease-out;
}

.iframe-header {
    padding: var(--spacing-lg) var(--spacing-xl);
}

.iframe-header-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.iframe-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin: 0;
}

.environment-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    display: inline-block;
}

.iframe-container {
    padding: var(--spacing-lg);
    position: relative;
    display: block;
}

.iframe-container iframe {
    width: 100%;
    min-height: 100vh;
    border: none;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    display: block;
}

/*-- Animations --*/
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/*-- Responsive Design --*/
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: fixed;
        top: 0;
        left: 0;
        transform: translateY(-100%);
        padding: var(--spacing-md);
        max-height: 100vh;
        overflow-y: auto;
        border-right: none;
        border-bottom: 1px solid var(--glass-border);
        z-index: 1000;
        transition: transform var(--transition-base) ease-out;
    }
    
    .sidebar.active {
        transform: translateY(0);
    }
    
    .sidebar-logo {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        margin-bottom: var(--spacing-md);
        padding-bottom: 0;
        border-bottom: none;
    }
    
    .sidebar-nav {
        display: none;
        gap: var(--spacing-md);
    }
    
    .sidebar.active .sidebar-nav {
        display: flex;
    }
    
    .nav-section {
        gap: var(--spacing-xs);
    }
    
    .nav-section-title {
        margin-bottom: var(--spacing-xs);
    }
    
    .sidebar-footer {
        display: none;
    }
    
    .sidebar-toggle {
        display: flex;
        position: relative;
        right: 0;
        top: 0;
        width: 40px;
        height: 40px;
        border: none;
        background: transparent;
        color: var(--color-gray-700);
        cursor: pointer;
        padding: 0;
        margin-left: auto;
    }
    
    .main-content {
        margin-left: 0;
        margin-top: 0;
        padding: var(--spacing-md);
        padding-top: calc(60px + var(--spacing-md));
    }
    
    .btn-glass {
        width: 100%;
    }
    
    /*-- Mobile menu button --*/
    .mobile-menu-btn {
        display: flex;
    }
    
    .sidebar.active ~ .main-content .mobile-menu-btn {
        opacity: 0;
        pointer-events: none;
    }
    
    /*-- Mobile menu backdrop --*/
    .mobile-backdrop {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-base), visibility var(--transition-base);
    }
    
    .sidebar.active ~ .mobile-backdrop {
        opacity: 1;
        visibility: visible;
        background: rgba(0, 0, 0, 0.5);
    }
}

/*-- Utility Classes --*/
.hidden {
    display: none !important;
}

/*-- Scrollbar Styling --*/
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-gray-100);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb {
    background: var(--color-gray-400);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-500);
}

/*-- Focus States --*/
button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/*-- Selection --*/
::selection {
    background: rgba(217, 63, 0, 0.2);
    color: var(--color-primary-dark);
}

/*-- Welcome Section --*/
.welcome-section {
    animation: fadeIn 0.6s ease-out;
}

.welcome-header {
    text-align: center;
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.welcome-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    margin: 0;
}

/*-- Portal Grid --*/
.portal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    animation: slideUp 0.8s ease-out;
}

.portal-card {
    padding: var(--spacing-2xl);
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.portal-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.portal-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.portal-description {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

/*-- BC Page Styles --*/
.bc-section {
    animation: fadeIn 0.6s ease-out;
}

.bc-header {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.bc-title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bc-description {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    margin: 0;
}

.control-panel {
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.control-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.portal-form {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl);
    animation: slideUp 0.3s ease-out;
}

.form-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-lg);
}

.form-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-700);
}

.form-input {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    background: var(--glass-bg);
    color: var(--color-gray-800);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(217, 63, 0, 0.1);
}

.radio-group {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.radio-label input[type="radio"] {
    cursor: pointer;
}

.iframe-grid {
    display: grid;
    gap: var(--spacing-xl);
    animation: slideUp 0.5s ease-out;
}

/*-- URL Preview Bar --*/
.url-preview-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
}

.url-preview-input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: transparent;
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
    font-family: monospace;
    outline: none;
}

.url-preview-input::selection {
    background: rgba(217, 63, 0, 0.2);
}

.btn-copy {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-copy:hover {
    background: rgba(217, 63, 0, 0.1);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-1px);
}

.btn-copy.copied {
    background: rgba(72, 187, 120, 0.1);
    border-color: var(--color-success);
    color: var(--color-success);
}

.btn-copy svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}