/* ==========================================================================
   USB JetCalc Modern CSS Design System
   ========================================================================== */

:root {
    --bg-main: #0b0f19;
    --bg-card: rgba(22, 28, 45, 0.6);
    --bg-card-hover: rgba(30, 41, 59, 0.85);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.18);
    
    --text-primary: #f8fafc;
    --text-muted: #94a3b8;
    --text-highlight: #38bdf8;
    
    --accent-blue: #0284c7;
    --accent-blue-glow: rgba(2, 132, 199, 0.35);
    --accent-green: #10b981;
    --accent-green-glow: rgba(16, 185, 129, 0.25);
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-sm: 6px;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Reset Namespace */
#usb-jc-container {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
    margin: 20px auto;
    width: 95vw;
    max-width: 1280px;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    box-sizing: border-box;
    overflow: hidden;
}

#usb-jc-container *, 
#usb-jc-container *::before, 
#usb-jc-container *::after {
    box-sizing: border-box;
}

/* Typography & Text */
#usb-jc-container h1, 
#usb-jc-container h2, 
#usb-jc-container h3, 
#usb-jc-container h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    margin: 0 0 10px 0;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

#usb-jc-container h1 {
    font-size: 2.2rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 40%, #a5b4fc 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

#usb-jc-container h2 { font-size: 1.5rem; }
#usb-jc-container h3 { font-size: 1.25rem; }
#usb-jc-container h4 { font-size: 1.05rem; }

#usb-jc-container .usb-jc-muted {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Dashboard Header */
.usb-jc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    margin-bottom: 25px;
}

.usb-jc-controls {
    display: flex;
    gap: 15px;
    align-items: center;
}

/* Buttons */
.usb-jc-btn {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.usb-jc-btn-primary {
    background: linear-gradient(135deg, #0284c7 0%, #3b82f6 100%);
    color: #ffffff;
    box-shadow: 0 4px 15px var(--accent-blue-glow);
}

.usb-jc-btn-primary:hover {
    background: linear-gradient(135deg, #0369a1 0%, #2563eb 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.usb-jc-btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.usb-jc-btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.usb-jc-btn-block {
    width: 100%;
}

/* Language Toggle */
.usb-jc-lang-toggle {
    display: flex;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-sm);
    padding: 3px;
    border: 1px solid var(--border-color);
}

.usb-jc-lang-toggle button {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.usb-jc-lang-toggle button.active {
    background: var(--accent-blue);
    color: #ffffff;
}

/* Wizard Progress Steps */
.usb-jc-wizard-steps {
    display: flex;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-md);
    padding: 12px 24px;
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
    gap: 10px;
}

.usb-jc-step {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    opacity: 0.6;
    transition: var(--transition-smooth);
    flex: 1;
}

.usb-jc-step.active {
    color: var(--text-primary);
    opacity: 1;
}

.usb-jc-step.completed {
    color: var(--accent-green);
    opacity: 1;
}

.usb-jc-step .step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    font-size: 0.8rem;
    font-weight: 700;
    transition: var(--transition-smooth);
}

.usb-jc-step.active .step-num {
    background: var(--accent-blue);
    color: #ffffff;
    box-shadow: 0 0 10px var(--accent-blue-glow);
}

.usb-jc-step.completed .step-num {
    background: var(--accent-green);
    color: #ffffff;
}

/* Layout Grid */
.usb-jc-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 30px;
    align-items: start;
}

/* Cards (Glassmorphism Base) */
.usb-jc-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

.usb-jc-selector-panel {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 200px);
    min-height: 550px;
    max-height: 800px;
}

.usb-jc-cards-grid {
    flex: 1;
    overflow-y: auto;
    padding-right: 8px;
    margin-top: 15px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* Scrollbar styling */
.usb-jc-cards-grid::-webkit-scrollbar {
    width: 6px;
}
.usb-jc-cards-grid::-webkit-scrollbar-track {
    background: transparent;
}
.usb-jc-cards-grid::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}
.usb-jc-cards-grid::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Selection Cards (Interactive Categories/Subgroups/Jets) */
.usb-jc-item-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 15px;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
    min-height: 92px; /* Prevent vertical squishing, allowing scrollbar to trigger */
}

/* Border indicator based on theme color variable */
.usb-jc-item-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background-color: var(--item-theme-color, var(--accent-blue));
    transition: var(--transition-smooth);
}

.usb-jc-item-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25), 0 0 10px rgba(var(--item-theme-color-rgb, 2, 132, 199), 0.15);
}

.usb-jc-item-card.selected {
    background: rgba(var(--item-theme-color-rgb, 2, 132, 199), 0.08);
    border-color: var(--item-theme-color, var(--accent-blue));
    box-shadow: inset 0 0 10px rgba(var(--item-theme-color-rgb, 2, 132, 199), 0.1);
}

.usb-jc-item-card img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 4px;
    transition: var(--transition-smooth);
}

.usb-jc-item-card:hover img {
    transform: scale(1.08);
    background: rgba(0, 0, 0, 0.4);
}

.usb-jc-item-details {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.usb-jc-item-name {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.usb-jc-item-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.usb-jc-item-arrow {
    color: var(--text-muted);
    font-weight: bold;
    font-size: 1.1rem;
    opacity: 0.5;
    transition: var(--transition-smooth);
}

.usb-jc-item-card:hover .usb-jc-item-arrow {
    opacity: 1;
    transform: translateX(3px);
    color: var(--item-theme-color, var(--text-primary));
}

/* Badges */
.usb-jc-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    width: fit-content;
}

.usb-jc-badge-pulse {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
    border-color: rgba(16, 185, 129, 0.2);
    position: relative;
    padding-left: 20px;
}

.usb-jc-badge-pulse::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--accent-green);
    box-shadow: 0 0 8px var(--accent-green);
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0% { transform: translateY(-50%) scale(0.95); opacity: 0.5; }
    50% { transform: translateY(-50%) scale(1.3); opacity: 1; }
    100% { transform: translateY(-50%) scale(0.95); opacity: 0.5; }
}

/* Right Side: Main Panel Details */
.usb-jc-main-panel {
    display: flex;
    flex-direction: column;
    gap: 30px;
    animation: fadeIn 0.4s ease-out;
}

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

/* Selected Jet Info Card */
.usb-jc-jet-info-card {
    background: radial-gradient(circle at top right, rgba(var(--item-theme-color-rgb, 2, 132, 199), 0.12) 0%, rgba(22, 28, 45, 0.6) 80%);
}

.usb-jc-jet-info-content {
    display: flex;
    gap: 25px;
    align-items: center;
}

.usb-jc-jet-image-wrapper {
    width: 110px;
    height: 110px;
    border-radius: var(--radius-md);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.5);
}

.usb-jc-jet-image-wrapper img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.usb-jc-jet-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.usb-jc-jet-details h2 {
    margin: 5px 0;
    font-size: 1.8rem;
}

/* Holes summary badges */
.usb-jc-holes-summary {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 5px;
}

.usb-jc-hole-badge {
    font-size: 0.72rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
}

/* Simulation Section (Canvas Wrapper) */
.usb-jc-simulation-card {
    padding: 20px;
}

.usb-jc-simulation-card .usb-jc-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.usb-jc-canvas-wrapper {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: #06090e;
    border: 2px solid #1a2333;
    aspect-ratio: 2.8 / 1;
    box-shadow: inset 0 0 25px rgba(0, 0, 0, 0.8), 0 4px 15px rgba(0, 0, 0, 0.5);
}

.usb-jc-canvas-wrapper canvas {
    display: block;
    width: 100%;
    height: 100%;
}

.usb-jc-canvas-overlay {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-family: monospace;
    font-size: 0.78rem;
    display: flex;
    flex-direction: column;
    gap: 4px;
    pointer-events: none;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.usb-jc-canvas-overlay .overlay-item {
    color: #38bdf8;
}

.usb-jc-canvas-overlay .overlay-label {
    color: var(--text-muted);
}

/* Calculator & Results Split Layout */
.usb-jc-calc-results-split {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 30px;
    align-items: start;
}

/* Form Styles */
.usb-jc-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 15px;
}

.usb-jc-form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.usb-jc-form-group label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

.usb-jc-input-wrapper {
    display: flex;
    position: relative;
    align-items: center;
}

.usb-jc-form input[type="number"],
.usb-jc-select {
    width: 100%;
    background: rgba(11, 15, 25, 0.6);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-smooth);
}

.usb-jc-input-wrapper input {
    padding-right: 65px; /* space for suffix addon */
}

.usb-jc-form input[type="number"]:focus,
.usb-jc-select:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 10px rgba(2, 132, 199, 0.25);
    background: rgba(11, 15, 25, 0.8);
}

.usb-jc-input-addon {
    position: absolute;
    right: 16px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    pointer-events: none;
}

/* Custom Dropdown select */
.usb-jc-select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    padding-right: 45px;
}

/* Empty State Results */
.usb-jc-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    color: var(--text-muted);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    margin-top: 15px;
}

.usb-jc-empty-state .icon {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.4;
}

/* Results Content */
.usb-jc-results-gauges {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 15px;
    margin-bottom: 25px;
}

.gauge-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.gauge-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 10%;
    right: 10%;
    height: 3px;
    background: var(--accent-blue);
    border-radius: 3px 3px 0 0;
}

.gauge-title {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.gauge-value {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.gauge-unit {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 4px;
}

/* Alerts */
.usb-jc-alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    line-height: 1.4;
    margin-bottom: 20px;
    display: flex;
    gap: 8px;
}

.usb-jc-alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--accent-warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.usb-jc-alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--accent-danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Tables */
.usb-jc-section-title {
    margin-bottom: 12px;
}

.usb-jc-table-container {
    background: rgba(11, 15, 25, 0.4);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 15px;
}

.usb-jc-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.85rem;
}

.usb-jc-table th, 
.usb-jc-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

.usb-jc-table th {
    background: rgba(255, 255, 255, 0.02);
    font-weight: 700;
    color: var(--text-muted);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.usb-jc-table tr:last-child td {
    border-bottom: none;
}

.usb-jc-table tbody tr {
    transition: var(--transition-smooth);
}

.usb-jc-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Status dots in table */
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.72rem;
    font-weight: 600;
}

.status-pill-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
}

.status-pill-info {
    background: rgba(2, 132, 199, 0.1);
    color: var(--text-highlight);
}

.status-pill-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent-warning);
}

.status-pill-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-danger);
}

.usb-jc-disclaimer {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-style: italic;
    margin: 5px 0 0 0;
}

/* Dynamic Loading States */
.usb-jc-loader-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 200px;
    color: var(--text-muted);
    gap: 15px;
}

.usb-jc-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(2, 132, 199, 0.15);
    border-top: 3px solid var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsive Scaling Rules */
@media (max-width: 1100px) {
    .usb-jc-grid {
        grid-template-columns: 1fr;
    }
    
    .usb-jc-selector-panel {
        height: auto;
        min-height: unset;
        max-height: 450px;
    }
    
    .usb-jc-calc-results-split {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    #usb-jc-container {
        padding: 15px;
    }
    
    .usb-jc-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .usb-jc-wizard-steps {
        display: none; /* Hide progress steps on small mobile devices to save space */
    }
    
    .usb-jc-jet-info-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .usb-jc-jet-image-wrapper {
        width: 80px;
        height: 80px;
    }
    
    .usb-jc-canvas-wrapper {
        aspect-ratio: 1.8 / 1;
    }
}