@import url('open-iconic/font/css/open-iconic-bootstrap.min.css');
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&family=Playfair+Display:wght@400;600;700&display=swap');

/* Dark Theme Variables */
:root {
    --primary-dark: #1a1a1a;
    --secondary-dark: #2d2d2d;
    --tertiary-dark: #3a3a3a;
    --accent-gold: #d4af37;
    --accent-gold-light: #f4d03f;
    --accent-gold-dark: #b8860b;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #999999;
    --border-color: #444444;
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --info: #17a2b8;
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-heavy: rgba(0, 0, 0, 0.5);
}

/* Base Styles */
html, body {
    font-family: 'Roboto', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--primary-dark);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    height: 100%;
}

/* Force override any Bootstrap purple/blue navigation defaults */
.navbar, .navbar-dark, .navbar-nav, .nav, .nav-item, .nav-link,
.sidebar, .sidebar *, 
[class*="nav"], [class*="navbar"] {
    background-color: #1a1a1a !important;
    background: #1a1a1a !important;
}

/* Ensure navigation text is correct color */
.nav-link, .navbar-nav .nav-link {
    color: #cccccc !important;
}

.nav-link:hover, .navbar-nav .nav-link:hover {
    color: #d4af37 !important;
}

.nav-link.active, .navbar-nav .nav-link.active {
    color: #1a1a1a !important;
    background: linear-gradient(135deg, #d4af37, #b8860b) !important;
}

.app {
    background-color: var(--primary-dark);
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    color: var(--accent-gold);
    font-weight: 600;
}

h1.display-4, h1.display-5 {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 4px var(--shadow);
}

h1:focus {
    outline: none;
}

/* Links and Buttons */
a {
    color: var(--accent-gold);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-gold-light);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
    border: 1px solid var(--accent-gold);
    color: var(--primary-dark);
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px var(--shadow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
    border-color: var(--accent-gold-light);
    color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px var(--shadow);
}

.btn-outline-primary {
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold);
    background: transparent;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: var(--accent-gold);
    border-color: var(--accent-gold);
    color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px var(--shadow);
}

.btn-secondary {
    background-color: var(--tertiary-dark);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    transition: all 0.3s ease;
}

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

.btn-outline-secondary {
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    background: transparent;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.btn-outline-secondary:hover {
    background: var(--secondary-dark);
    border-color: var(--accent-gold);
    color: var(--text-primary);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #218838);
    border: 1px solid var(--success);
    border-radius: 6px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px var(--shadow);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning), #e0a800);
    border: 1px solid var(--warning);
    color: var(--primary-dark);
    border-radius: 6px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px var(--shadow);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #c82333);
    border: 1px solid var(--danger);
    border-radius: 6px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px var(--shadow);
}

.btn-info {
    background: linear-gradient(135deg, var(--info), #138496);
    border: 1px solid var(--info);
    border-radius: 6px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px var(--shadow);
}

/* Cards */
.card {
    background-color: var(--secondary-dark);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 4px 12px var(--shadow);
    transition: all 0.3s ease;
    margin-bottom: 1.5rem;
}

.card:hover {
    box-shadow: 0 8px 24px var(--shadow-heavy);
    transform: translateY(-2px);
}

.card-header {
    background: linear-gradient(135deg, var(--tertiary-dark), var(--secondary-dark));
    border-bottom: 1px solid var(--border-color);
    border-radius: 12px 12px 0 0 !important;
    padding: 1rem 1.5rem;
}

.card-header h5, .card-header h6 {
    color: var(--accent-gold);
    margin: 0;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
    color: var(--text-primary);
}

.card-footer {
    background-color: var(--tertiary-dark);
    border-top: 1px solid var(--border-color);
    border-radius: 0 0 12px 12px !important;
    padding: 1rem 1.5rem;
}

/* Status Cards with White Background and Black Text */
.card.text-white.bg-primary {
    background: linear-gradient(135deg, #ffffff, #f8f9fa) !important;
    color: #212529 !important;
    border: 1px solid #dee2e6 !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
}

.card.text-white.bg-success {
    background: linear-gradient(135deg, #ffffff, #f8f9fa) !important;
    color: #212529 !important;
    border: 1px solid #dee2e6 !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
}

.card.text-white.bg-warning {
    background: linear-gradient(135deg, #ffffff, #f8f9fa) !important;
    color: #212529 !important;
    border: 1px solid #dee2e6 !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
}

.card.text-white.bg-info {
    background: linear-gradient(135deg, #ffffff, #f8f9fa) !important;
    color: #212529 !important;
    border: 1px solid #dee2e6 !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
}

.card.text-white.bg-danger {
    background: linear-gradient(135deg, #ffffff, #f8f9fa) !important;
    color: #212529 !important;
    border: 1px solid #dee2e6 !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
}

/* Ensure all text in these cards is black */
.card.text-white.bg-primary *,
.card.text-white.bg-success *,
.card.text-white.bg-warning *,
.card.text-white.bg-info *,
.card.text-white.bg-danger * {
    color: #212529 !important;
}

/* Card titles in summary cards */
.card.text-white .card-title {
    color: #495057 !important;
    font-weight: 600;
}

/* Card text (numbers) in summary cards */
.card.text-white .card-text {
    color: #212529 !important;
    font-weight: 700;
}

/* Icons in summary cards */
.card.text-white .oi {
    color: #6c757d !important;
}

/* Alternative selector for any summary cards */
.card[class*="bg-primary"], 
.card[class*="bg-success"], 
.card[class*="bg-warning"], 
.card[class*="bg-info"], 
.card[class*="bg-danger"] {
    background: linear-gradient(135deg, #ffffff, #f8f9fa) !important;
    color: #212529 !important;
    border: 1px solid #dee2e6 !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
}

.card[class*="bg-primary"] *,
.card[class*="bg-success"] *,
.card[class*="bg-warning"] *,
.card[class*="bg-info"] *,
.card[class*="bg-danger"] * {
    color: #212529 !important;
}

/* Tables */
.table {
    color: var(--text-primary);
    background-color: transparent;
}

.table-dark {
    background-color: var(--tertiary-dark);
    color: var(--text-primary);
}

.table-dark th {
    background-color: var(--primary-dark);
    border-color: var(--border-color);
    color: var(--accent-gold);
    font-weight: 600;
}

.table td, .table th {
    border-color: var(--border-color);
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background-color: var(--tertiary-dark);
    color: var(--text-primary);
}

.table-responsive {
    border-radius: 8px;
    overflow: hidden;
}

/* Forms */
.form-control {
    background-color: var(--tertiary-dark);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.form-control:focus {
    background-color: var(--secondary-dark);
    border-color: var(--accent-gold);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(212, 175, 55, 0.25);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-select {
    background-color: var(--tertiary-dark);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
}

.form-select:focus {
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 0.2rem rgba(212, 175, 55, 0.25);
}

.form-label {
    color: var(--accent-gold);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-check-input {
    background-color: var(--tertiary-dark);
    border: 1px solid var(--border-color);
}

.form-check-input:checked {
    background-color: var(--accent-gold);
    border-color: var(--accent-gold);
}

.form-check-label {
    color: var(--text-secondary);
}

/* Badges */
.badge {
    font-weight: 500;
    border-radius: 6px;
    padding: 0.5em 0.75em;
}

.badge.bg-success {
    background-color: var(--success) !important;
}

.badge.bg-warning {
    background-color: var(--warning) !important;
    color: var(--primary-dark) !important;
}

.badge.bg-danger {
    background-color: var(--danger) !important;
}

.badge.bg-info {
    background-color: var(--info) !important;
}

.badge.bg-primary {
    background-color: var(--accent-gold) !important;
    color: var(--primary-dark) !important;
}

.badge.bg-secondary {
    background-color: var(--tertiary-dark) !important;
    color: var(--text-secondary) !important;
}

/* Alerts */
.alert {
    border-radius: 8px;
    border: none;
    box-shadow: 0 2px 8px var(--shadow);
}

.alert-info {
    background: linear-gradient(135deg, var(--info), #117a8b);
    color: white;
}

.alert-warning {
    background: linear-gradient(135deg, var(--warning), #d39e00);
    color: var(--primary-dark);
}

.alert-success {
    background: linear-gradient(135deg, var(--success), #1e7e34);
    color: white;
}

.alert-danger {
    background: linear-gradient(135deg, var(--danger), #bd2130);
    color: white;
}

/* Navigation - Enhanced Professional Styling */
.navbar-brand {
    color: var(--accent-gold) !important;
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: 1.5rem;
    text-shadow: 0 2px 4px rgba(212, 175, 55, 0.3);
}

.navbar-dark {
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary-dark)) !important;
    border-bottom: 3px solid var(--accent-gold);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.nav-link {
    color: var(--text-secondary) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 10px;
    margin: 0.25rem 0;
    position: relative;
    overflow: hidden;
}

.nav-link:hover {
    color: var(--accent-gold) !important;
    background: linear-gradient(135deg, var(--tertiary-dark), rgba(212, 175, 55, 0.1));
    transform: translateX(8px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border-left: 4px solid var(--accent-gold);
}

.nav-link.active {
    color: var(--primary-dark) !important;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
    border-left: 4px solid var(--accent-gold-light);
    font-weight: 600;
    transform: translateX(4px);
    box-shadow: 0 4px 16px rgba(212, 175, 55, 0.4);
}

/* Sidebar styling - Force dark theme */
.sidebar {
    background: #1a1a1a !important;
    background: linear-gradient(180deg, #1a1a1a, #2d2d2d) !important;
    border-right: 2px solid #d4af37;
    box-shadow: 2px 0 12px rgba(0, 0, 0, 0.3);
}

/* Mobile layout improvements */
@media (max-width: 768px) {
    /* Page layout adjustments */
    .page {
        display: flex;
        flex-direction: column;
    }
    
    /* Sidebar mobile behavior - starts hidden */
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: 280px;
        z-index: 1050;
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
        overflow-y: auto;
    }
    
    /* Sidebar visibility states */
    .sidebar.show {
        transform: translateX(0) !important;
    }
    
    .sidebar:not(.show) {
        transform: translateX(-100%) !important;
    }
    
    /* Ensure sidebar is hidden by default on mobile */
    .sidebar {
        transform: translateX(-100%) !important;
    }
    
    /* Navigation menu content */
    .nav-menu-content {
        display: block !important;
        padding-top: 1rem;
    }
    
    .nav-menu-content.collapse {
        display: block !important;
    }
    
    /* Main content adjustments */
    main {
        margin-left: 0 !important;
        width: 100% !important;
        min-height: 100vh;
        padding-top: 0;
    }
    
    /* Top row (navbar) adjustments */
    .top-row {
        position: sticky;
        top: 0;
        z-index: 1000;
        background-color: var(--primary-dark) !important;
        border-bottom: 1px solid var(--border-color);
        margin-bottom: 0;
    }
    
    /* Content area adjustments */
    .content {
        padding-top: 1rem !important;
        flex: 1;
    }
    
    /* Overlay for mobile sidebar */
    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 1040;
        display: none !important;
        backdrop-filter: blur(2px);
        transition: opacity 0.3s ease-in-out;
        opacity: 0;
    }
    
    .sidebar-overlay.show {
        display: block !important;
        opacity: 1;
    }
}

/* Hide overlay on larger screens */
@media (min-width: 769px) {
    .sidebar-overlay {
        display: none !important;
    }
}
    
    /* Navbar toggler improvements */
    .navbar-toggler {
        border: 2px solid var(--accent-gold) !important;
        color: var(--accent-gold) !important;
        padding: 0.5rem 0.75rem;
        font-size: 1.25rem;
        background-color: transparent;
        border-radius: 0.375rem;
    }
    
    .navbar-toggler:hover {
        background-color: rgba(212, 175, 55, 0.1);
        border-color: var(--accent-gold-light) !important;
    }
    
    .navbar-toggler:focus {
        box-shadow: 0 0 0 0.25rem rgba(212, 175, 55, 0.5) !important;
        outline: none;
    }
    
    .navbar-toggler.active {
        background-color: rgba(212, 175, 55, 0.2) !important;
        border-color: var(--accent-gold-light) !important;
    }
    
    .navbar-toggler-icon {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23d4af37' stroke-linecap='round' stroke-miterlimit='10' stroke-width='3' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
        width: 1.5em;
        height: 1.5em;
    }
    
    /* Make sure hamburger is visible on mobile */
    .navbar-toggler {
        display: block !important;
    }
    
    /* Hide hamburger on larger screens */
    @media (min-width: 769px) {
        .navbar-toggler {
            display: none !important;
        }
    }
}

/* Override any default Bootstrap navigation styling */
.sidebar .navbar, 
.sidebar .nav, 
.sidebar .flex-column,
.sidebar .collapse {
    background: #1a1a1a !important;
    background-color: #1a1a1a !important;
}

/* Breadcrumbs */
.breadcrumb {
    background-color: var(--secondary-dark);
    border-radius: 8px;
    padding: 0.75rem 1rem;
}

.breadcrumb-item a {
    color: var(--accent-gold);
}

.breadcrumb-item.active {
    color: var(--text-secondary);
}

/* Progress bars */
.progress {
    background-color: var(--tertiary-dark);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
    transition: width 0.6s ease;
}

/* Spinners */
.spinner-border {
    border-color: var(--accent-gold);
    border-right-color: transparent;
}

.spinner-border-primary {
    border-color: var(--accent-gold);
    border-right-color: transparent;
}

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

::-webkit-scrollbar-track {
    background: var(--primary-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-gold);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-gold-light);
}

/* Pre and Code blocks */
pre {
    background-color: var(--primary-dark);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    font-family: 'Courier New', monospace;
}

code {
    background-color: var(--tertiary-dark);
    color: var(--accent-gold);
    padding: 0.2em 0.4em;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
}

/* Content spacing */
.content {
    padding-top: 1.1rem;
}

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

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Validation */
.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--success);
}

.invalid {
    outline: 1px solid var(--danger);
}

.validation-message {
    color: var(--danger);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Error UI */
#blazor-error-ui {
    background: linear-gradient(135deg, var(--danger), #bd2130);
    bottom: 0;
    box-shadow: 0 -4px 8px var(--shadow);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
    color: white;
    border-top: 2px solid var(--accent-gold);
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    color: white;
    font-size: 1.2rem;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

#blazor-error-ui .dismiss:hover {
    opacity: 1;
    }

.blazor-error-boundary {
    background: linear-gradient(135deg, var(--danger), #bd2130);
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
    border-radius: 8px;
    margin: 1rem 0;
    border-left: 4px solid var(--accent-gold);
}

    .blazor-error-boundary::after {
    content: "An error has occurred.";
}

/* Responsive design */
@media (max-width: 768px) {
    /* Layout adjustments */
    .container-fluid {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    /* Card improvements */
    .card {
        margin-bottom: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .card-header {
        padding: 0.75rem 1rem;
    }
    
    /* Typography */
    h1.display-4, h1.display-5 {
        font-size: 2rem;
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .lead {
        font-size: 1.1rem;
    }
    
    /* Navigation improvements */
    .top-row {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }
    
    .top-row .d-flex {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 0.5rem;
    }
    
    .top-row .badge {
        align-self: flex-end;
    }
    
    /* Button groups */
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group .btn {
        border-radius: 0.375rem !important;
        margin-bottom: 0.25rem;
    }
    
    .btn-group .btn:last-child {
        margin-bottom: 0;
    }
    
    /* Table improvements for mobile */
    .table-responsive {
        font-size: 0.875rem;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        /* Enhanced horizontal scrolling */
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        /* Ensure tables maintain minimum width */
        min-width: 100%;
    }
    
    /* Enhanced horizontal scrolling for all tables - no sticky columns */
    .table-responsive .table {
        min-width: 800px; /* Ensure tables are wide enough to require scrolling */
        margin-bottom: 0;
    }
    
    /* Cassettes table needs more width due to multiple cassette columns */
    .table-responsive .table.table-striped {
        min-width: 1000px; /* Extra width for cassettes table with all columns */
    }
    
    /* Better scrolling experience */
    .table-responsive {
        position: relative;
        overflow-x: auto;
        overflow-y: visible;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }
    
    /* Ensure all table content is accessible */
    .table th,
    .table td {
        padding: 0.75rem 0.5rem;
        vertical-align: middle;
        border-bottom: 1px solid var(--border-color);
        min-width: 80px; /* Minimum readable width */
        white-space: nowrap; /* Prevent content from wrapping */
    }
    
    /* Special styling for first and last columns without sticky positioning */
    .table th:first-child,
    .table td:first-child {
        min-width: 120px; /* Terminal ID needs more space */
        font-weight: bold;
    }
    
    .table th:last-child,
    .table td:last-child {
        min-width: 140px; /* Action buttons need more space */
    }
    
    /* Status badges and important info */
    .table .badge {
        font-size: 0.75rem;
        white-space: nowrap;
    }
    
    /* Hide less important columns on mobile */
    .table .d-none.d-md-table-cell {
        display: none !important;
    }
    
    /* Mobile-specific column priorities */
    .table .mobile-hide {
        display: none !important;
    }
    
    /* Scrollbar styling for mobile tables */
    .table-responsive::-webkit-scrollbar {
        height: 8px;
    }
    
    .table-responsive::-webkit-scrollbar-track {
        background: var(--secondary-dark);
        border-radius: 4px;
    }
    
    .table-responsive::-webkit-scrollbar-thumb {
        background: var(--accent-gold);
        border-radius: 4px;
    }
    
    .table-responsive::-webkit-scrollbar-thumb:hover {
        background: var(--accent-gold-light);
    }
    
    /* Mobile table scroll hint */
    .table-responsive::before {
        content: "← Scroll horizontally to see all columns →";
        display: block;
        text-align: center;
        font-size: 0.75rem;
        color: var(--accent-gold);
        background: var(--secondary-dark);
        padding: 0.25rem;
        border-radius: 4px 4px 0 0;
        margin-bottom: 0;
        font-style: italic;
    }
    
    /* Hide scroll hint on larger screens */
    @media (min-width: 992px) {
        .table-responsive::before {
            display: none;
        }
    }
    
    /* Enhanced mobile table wrapper */
    .mobile-table-wrapper {
        position: relative;
        margin-bottom: 1rem;
    }
    
    .mobile-table-wrapper .table-responsive {
        border: 2px solid var(--accent-gold);
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }
    
    /* Modal improvements */
    .modal-dialog {
        margin: 0.5rem;
        max-width: calc(100% - 1rem);
    }
    
    .modal-xl {
        max-width: calc(100% - 1rem);
    }
    
    .modal-lg {
        max-width: calc(100% - 1rem);
    }
    
    .modal-body {
        padding: 1rem;
    }
    
    .modal-body .row {
        margin: 0;
    }
    
    .modal-body .col-md-6 {
        padding: 0;
        margin-bottom: 1rem;
    }
    
    /* Form improvements */
    .form-check {
        margin-bottom: 0.75rem;
    }
    
    .form-check-label {
        line-height: 1.4;
    }
    
    /* Scrollable areas */
    .border.border-secondary.rounded {
        max-height: 150px !important;
    }
    
    /* Summary cards - stack on mobile */
    .row .col-md-3 {
        margin-bottom: 1rem;
    }
}

/* Medium screens (tablets) */
@media (max-width: 992px) {
    .modal-xl .row .col-md-6 {
        margin-bottom: 1.5rem;
    }
    
    .btn-group-sm .btn {
        font-size: 0.8rem;
        padding: 0.25rem 0.5rem;
    }
    
    .table-responsive {
        font-size: 0.9rem;
    }
}

/* Small screens (phones in landscape) */
@media (max-width: 576px) {
    /* Further reduce spacing */
    .container-fluid {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
    
    .card-body {
        padding: 0.75rem;
    }
    
    .modal-body {
        padding: 0.75rem;
    }
    
    /* Stack action buttons vertically */
    .btn-group {
        display: flex;
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group .btn {
        width: 100%;
        margin-bottom: 0.25rem;
        border-radius: 0.375rem !important;
    }
    
    /* Smaller text for tables */
    .table {
        font-size: 0.8rem;
    }
    
    .table th,
    .table td {
        padding: 0.25rem;
    }
    
    /* Hide non-essential content */
    .d-none.d-sm-block {
        display: none !important;
    }
}

/* Extra large screens */
@media (min-width: 1400px) {
    .container-fluid {
        max-width: 1320px;
        margin: 0 auto;
    }
}

/* Professional touches */
.shadow-premium {
    box-shadow: 0 8px 32px var(--shadow-heavy) !important;
}

.border-gold {
    border-color: var(--accent-gold) !important;
}

.text-gold {
    color: var(--accent-gold) !important;
}

.bg-dark-premium {
    background-color: var(--secondary-dark) !important;
}

/* Cassette Card Specific Styles */
.cassette-card {
    background-color: var(--secondary-dark);
    color: var(--text-primary);
    border-color: var(--border-color);
    transition: all 0.3s ease;
}

.cassette-card.cassette-enabled {
    background-color: var(--secondary-dark);
    color: var(--text-primary);
    border-color: var(--success);
}

.cassette-card.cassette-enabled:hover {
    background-color: var(--tertiary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow);
}

.cassette-card.bg-light {
    background-color: #f8f9fa !important;
    color: #212529 !important;
    border-color: #dee2e6 !important;
}

.cassette-card.bg-light * {
    color: #212529 !important;
}

.cassette-card.bg-light strong {
    color: #000000 !important;
}

.cassette-card.bg-light small {
    color: #495057 !important;
}

.cassette-card.bg-light .text-muted {
    color: #6c757d !important;
}

/* Detailed cassette cards */
.card.border-success .card-body,
.card.border-secondary .card-body {
    color: var(--text-primary);
}

.card.border-success .card-header,
.card.border-secondary .card-header {
    color: var(--text-primary);
}

.card.border-success .card-header strong,
.card.border-secondary .card-header strong {
    color: var(--accent-gold);
}

.card.border-success .text-center h4,
.card.border-secondary .text-center h4 {
    color: var(--accent-gold);
}

.card.border-success .text-center strong,
.card.border-secondary .text-center strong {
    color: var(--text-primary);
}

/* Loading states */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 26, 26, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    z-index: 10;
}

.loading-spinner {
    border: 3px solid var(--tertiary-dark);
    border-top: 3px solid var(--accent-gold);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}