/* MK TD G4 - Futuristic Theme */
/* Minimalist, Modern, Futuristic Style */

:root {
    /* Core Colors - Dark Theme Base */
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-tertiary: #1a2332;
    --bg-card: #151c28;
    --bg-card-hover: #1c2538;

    /* Accent Colors - Cyberpunk Palette */
    --accent-primary: #00d4ff;
    --accent-secondary: #7b61ff;
    --accent-tertiary: #00ff88;
    --accent-warning: #ffaa00;
    --accent-danger: #ff4757;
    --accent-success: #00d982;

    /* Text Colors */
    --text-primary: #e8edf5;
    --text-secondary: #8b95a5;
    --text-muted: #5a6478;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #7b61ff 100%);
    --gradient-success: linear-gradient(135deg, #00ff88 0%, #00d4ff 100%);
    --gradient-card: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, transparent 100%);

    /* Effects */
    --glow-primary: 0 0 20px rgba(0, 212, 255, 0.3);
    --glow-secondary: 0 0 20px rgba(123, 97, 255, 0.3);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-elevated: 0 8px 32px rgba(0, 0, 0, 0.6);
    --border-subtle: 1px solid rgba(255, 255, 255, 0.08);
    --border-accent: 1px solid rgba(0, 212, 255, 0.3);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;
}

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

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 0.95rem;
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(0, 212, 255, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(123, 97, 255, 0.05) 0%, transparent 40%),
        linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    pointer-events: none;
    z-index: -1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

/* Links */
a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-secondary);
}

/* Cards */
.card {
    background: var(--bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    transition: all var(--transition-normal);
}

.card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-elevated);
}

.card-header {
    background: var(--gradient-card);
    border-bottom: var(--border-subtle);
    padding: var(--spacing-lg);
    font-weight: 600;
}

.card-body {
    padding: var(--spacing-lg);
}

/* Buttons */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 500;
    padding: 0.6rem 1.25rem;
    transition: all var(--transition-normal);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: var(--glow-primary);
}

.btn-primary:hover {
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
    transform: translateY(-1px);
    color: #fff;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: var(--border-subtle);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.btn-success {
    background: var(--gradient-success);
    color: #000;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.btn-danger {
    background: var(--accent-danger);
    color: #fff;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}

/* Forms */
.form-control, .form-select {
    background: var(--bg-tertiary);
    border: var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    transition: all var(--transition-normal);
}

.form-control:focus, .form-select:focus {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
    color: var(--text-primary);
    outline: none;
}

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

.form-label {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

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

.table thead th {
    background: var(--bg-tertiary);
    border-bottom: var(--border-subtle);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: var(--spacing-md);
}

.table tbody td {
    border-bottom: var(--border-subtle);
    padding: var(--spacing-md);
    vertical-align: middle;
}

.table tbody tr {
    transition: background var(--transition-fast);
}

.table tbody tr:hover {
    background: rgba(0, 212, 255, 0.05);
}

.table-striped tbody tr:nth-of-type(odd) {
    background: rgba(255, 255, 255, 0.02);
}

/* Badges */
.badge {
    padding: 0.4em 0.8em;
    font-weight: 500;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge.bg-primary { background: var(--accent-primary) !important; color: #000; }
.badge.bg-secondary { background: var(--bg-tertiary) !important; color: var(--text-secondary); }
.badge.bg-success { background: var(--accent-success) !important; color: #000; }
.badge.bg-danger { background: var(--accent-danger) !important; }
.badge.bg-warning { background: var(--accent-warning) !important; color: #000; }
.badge.bg-info { background: var(--accent-secondary) !important; }

/* Nav Tabs */
.nav-tabs {
    border-bottom: var(--border-subtle);
    gap: var(--spacing-sm);
}

.nav-tabs .nav-link {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    position: relative;
    font-weight: 500;
}

.nav-tabs .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

.nav-tabs .nav-link:hover {
    color: var(--text-primary);
    background: rgba(0, 212, 255, 0.1);
}

.nav-tabs .nav-link.active {
    background: var(--bg-card);
    color: var(--accent-primary);
}

.nav-tabs .nav-link.active::after {
    width: 80%;
}

/* Progress Bar */
.progress {
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    height: 8px;
    overflow: hidden;
}

.progress-bar {
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    transition: width var(--transition-slow);
}

/* Modal */
.modal-content {
    background: var(--bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-elevated);
}

.modal-header {
    border-bottom: var(--border-subtle);
    padding: var(--spacing-lg);
}

.modal-header .btn-close {
    filter: invert(1);
    opacity: 0.5;
}

.modal-header .btn-close:hover {
    opacity: 1;
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    border-top: var(--border-subtle);
    padding: var(--spacing-lg);
}

/* Dropdowns */
.dropdown-menu {
    background: var(--bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-elevated);
    padding: var(--spacing-sm);
}

.dropdown-item {
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-primary);
}

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

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

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

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

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 212, 255, 0.3); }
    50% { box-shadow: 0 0 40px rgba(0, 212, 255, 0.5); }
}

.fade-in {
    animation: fadeIn 0.4s ease forwards;
}

.slide-in {
    animation: slideIn 0.4s ease forwards;
}

/* Utility Classes */
.text-accent { color: var(--accent-primary) !important; }
.text-muted-custom { color: var(--text-muted) !important; }
.text-secondary-custom { color: var(--text-secondary) !important; }

.bg-glass {
    background: rgba(21, 28, 40, 0.8);
    backdrop-filter: blur(10px);
}

.glow {
    box-shadow: var(--glow-primary);
}

/* Image Preview */
.image-preview {
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
}

.image-preview:hover {
    box-shadow: var(--glow-primary);
    transform: scale(1.05);
}

/* Image Upload Container */
.image-upload-container {
    background: var(--bg-tertiary);
    border: 2px dashed rgba(0, 212, 255, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.image-upload-container:hover {
    border-color: var(--accent-primary);
    background: rgba(0, 212, 255, 0.05);
}

/* Accordion */
.accordion-item {
    background: var(--bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-sm) !important;
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.accordion-button {
    background: var(--bg-card);
    color: var(--text-primary);
    padding: var(--spacing-lg);
    font-weight: 500;
}

.accordion-button:not(.collapsed) {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: var(--accent-primary);
}

.accordion-button::after {
    filter: invert(1);
    opacity: 0.5;
}

.accordion-body {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
}

/* Stat Cards */
.stat-card {
    background: var(--bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: var(--glow-primary);
}

.stat-card h2 {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }

    .card-body {
        padding: var(--spacing-md);
    }

    .btn {
        padding: 0.5rem 1rem;
    }
}

/* Selection */
::selection {
    background: var(--accent-primary);
    color: #000;
}

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