/* TrainMeATC - Professional Pilot Training System */
/* ================================================ */

/* Import Google Fonts for better typography */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* Root Variables for Light Theme - Aviation Professional */
:root {
    /* Aviation Color Palette */
    --aviation-primary: #1e3a8a;
    --aviation-primary-hover: #1e40af;
    --aviation-secondary: #334155;
    --aviation-accent: #0ea5e9;
    --aviation-accent-hover: #0284c7;
    --aviation-warning: #f59e0b;
    --aviation-success: #10b981;
    --aviation-danger: #ef4444;
    --aviation-info: #06b6d4;
    
    /* Legacy support - map to aviation colors */
    --primary-color: var(--aviation-primary);
    --primary-hover: var(--aviation-primary-hover);
    --secondary-color: #64748b;
    --accent-color: var(--aviation-accent);
    --success-color: var(--aviation-success);
    --warning-color: var(--aviation-warning);
    --danger-color: var(--aviation-danger);
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #e2e8f0;
    --bg-aviation-panel: #f1f5f9;
    
    /* Text Colors */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-aviation-light: rgba(255, 255, 255, 0.9);
    
    /* Border and Shadow */
    --border-color: #e2e8f0;
    --border-aviation: #cbd5e1;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-aviation: 0 8px 32px rgba(30, 58, 138, 0.15);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease-in-out;
}

/* Dark Theme Variables - Aviation Night Mode */
:root.dark-theme {
    /* Aviation Night Colors */
    --aviation-primary: #3b82f6;
    --aviation-primary-hover: #2563eb;
    --aviation-secondary: #1e293b;
    --aviation-accent: #38bdf8;
    --aviation-accent-hover: #0ea5e9;
    --aviation-warning: #fbbf24;
    --aviation-success: #34d399;
    --aviation-danger: #f87171;
    --aviation-info: #22d3ee;
    
    /* Legacy support */
    --primary-color: var(--aviation-primary);
    --primary-hover: var(--aviation-primary-hover);
    --secondary-color: #94a3b8;
    --accent-color: var(--aviation-accent);
    --success-color: var(--aviation-success);
    --warning-color: var(--aviation-warning);
    --danger-color: var(--aviation-danger);
    
    /* Dark Backgrounds */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-aviation-panel: #1e293b;
    
    /* Dark Text */
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-aviation-light: rgba(255, 255, 255, 0.9);
    
    /* Dark Borders and Shadows */
    --border-color: #334155;
    --border-aviation: #475569;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.4);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.4);
    --shadow-aviation: 0 8px 32px rgba(59, 130, 246, 0.25);
}

/* Base Styles */
html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: var(--transition);
    font-size: 14px;
    line-height: 1.5;
}

/* Layout */
.page {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--bg-primary);
}

.sidebar {
    background: linear-gradient(180deg, var(--primary-color) 0%, #1e40af 100%);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.content {
    padding: 2rem;
    background-color: var(--bg-secondary);
    min-height: calc(100vh - 3.5rem);
}

/* Navigation */
.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: white !important;
    text-decoration: none;
    display: flex;
    align-items: center;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8) !important;
    font-weight: 500;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    margin: 0.25rem 0;
    transition: var(--transition);
    display: flex;
    align-items: center;
}

.nav-link:hover, .nav-link.active {
    color: white !important;
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateX(4px);
}

/* Top Row */
.top-row {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    height: 3.5rem;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-sm);
}

/* Cards */
.card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.card-header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

/* Buttons */
.btn {
    font-weight: 500;
    border-radius: 0.5rem;
    transition: var(--transition);
    border: none;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

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

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

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

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background-color: transparent;
}

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

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

.btn-outline-secondary:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--secondary-color);
}

/* Badges */
.badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 0.375rem;
}

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

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

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

/* Forms */
.form-control {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 0.5rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.form-check-input {
    background-color: var(--bg-primary);
    border: 2px solid var(--border-color);
}

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

.form-check-label {
    color: var(--text-primary);
    font-weight: 500;
}

/* Text Colors */
.text-primary {
    color: var(--text-primary) !important;
}

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

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

/* Headings */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.25rem;
}

h2 {
    font-size: 1.875rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.125rem;
}

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

a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* Alerts */
.alert {
    border-radius: 0.75rem;
    border: none;
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
}

.alert-warning {
    background-color: rgba(234, 179, 8, 0.1);
    color: var(--warning-color);
    border-left: 4px solid var(--warning-color);
}

.alert-success {
    background-color: rgba(34, 197, 94, 0.1);
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

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

.table th {
    border-color: var(--border-color);
    background-color: var(--bg-secondary);
    font-weight: 600;
}

.table td {
    border-color: var(--border-color);
}

/* Error UI */
#blazor-error-ui {
    background: var(--danger-color);
    bottom: 0;
    box-shadow: var(--shadow-lg);
    display: none;
    left: 0;
    padding: 1rem 1.5rem;
    position: fixed;
    width: 100vw;
    z-index: 1000;
    color: white;
    font-weight: 500;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
}

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

.card, .alert, .btn {
    animation: fadeIn 0.3s ease-out;
}

/* Loading States */
.spinner-border {
    color: var(--primary-color);
}

/* Professional Enhancements */
.timeline-item {
    position: relative;
    padding-left: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 0.5rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--border-color);
}

.timeline-marker {
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 768px) {
    .content {
        padding: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    h1 {
        font-size: 1.875rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
}

/* Focus States for Accessibility */
.btn:focus,
.form-control:focus,
.form-check-input:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

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

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

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

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

/* Status Indicators */
.status-indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.status-active {
    background-color: var(--success-color);
}

.status-inactive {
    background-color: var(--text-muted);
}

.status-warning {
    background-color: var(--warning-color);
}

/* Progress Indicators */
.progress {
    background-color: var(--bg-tertiary);
    border-radius: 0.5rem;
    overflow: hidden;
}

.progress-bar {
    background-color: var(--primary-color);
    transition: var(--transition);
}
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* Aviation Professional Enhancements */
/* ================================== */

/* Audio Level Meters */
.audio-level-meter {
    position: relative;
    height: 8px;
    background-color: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin: 0.5rem 0;
}

.audio-level-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--aviation-success) 0%, var(--aviation-warning) 70%, var(--aviation-danger) 90%);
    transition: width 0.1s ease-out;
    border-radius: 4px;
}

/* Aviation Panel Styles */
.aviation-panel {
    background: var(--bg-aviation-panel);
    border: 1px solid var(--border-aviation);
    border-radius: 0.5rem;
    padding: 1rem;
    margin: 1rem 0;
    box-shadow: var(--shadow-aviation);
}

.aviation-panel-header {
    font-weight: 600;
    color: var(--aviation-primary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
}

.aviation-panel-header i {
    margin-right: 0.5rem;
    color: var(--aviation-accent);
}

/* Session Status Indicators */
.session-status {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.session-status.active {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--aviation-success);
    border: 1px solid var(--aviation-success);
}

.session-status.inactive {
    background-color: rgba(107, 114, 128, 0.1);
    color: var(--text-muted);
    border: 1px solid var(--text-muted);
}

.session-status.recording {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--aviation-danger);
    border: 1px solid var(--aviation-danger);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Push-to-Talk Button */
.push-to-talk {
    position: relative;
    overflow: hidden;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.2s ease;
}

.push-to-talk:active {
    transform: scale(0.98);
}

.push-to-talk.recording {
    background: linear-gradient(45deg, var(--aviation-danger), #dc2626);
    border-color: var(--aviation-danger);
    animation: recordingPulse 1.5s infinite;
}

@keyframes recordingPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
    50% { box-shadow: 0 0 0 15px rgba(239, 68, 68, 0); }
}

/* Aviation Resource Links */
.aviation-resources {
    background: linear-gradient(135deg, var(--aviation-primary), var(--aviation-primary-hover));
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin: 1rem 0;
    color: white;
}

.aviation-resources h5 {
    color: white;
    margin-bottom: 1rem;
    font-weight: 600;
}

.aviation-resource-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    margin: 0.5rem 0;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.aviation-resource-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(4px);
    color: white;
    text-decoration: none;
}

.aviation-resource-link i {
    margin-right: 0.75rem;
    color: var(--aviation-accent);
}

/* Training Scenario Cards */
.scenario-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.scenario-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--aviation-accent);
}

.scenario-card-header {
    background: linear-gradient(135deg, var(--aviation-primary), var(--aviation-primary-hover));
    color: white;
    padding: 1rem 1.5rem;
    font-weight: 600;
}

.scenario-card-body {
    padding: 1.5rem;
}

.scenario-difficulty {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.difficulty-beginner {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--aviation-success);
}

.difficulty-intermediate {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--aviation-warning);
}

.difficulty-advanced {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--aviation-danger);
}

/* Transcript Display */
.transcript-container {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    max-height: 200px;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.4;
}

.transcript-partial {
    color: var(--text-muted);
    font-style: italic;
}

.transcript-final {
    color: var(--text-primary);
    font-weight: 500;
}

/* Score Display */
.score-display {
    background: linear-gradient(135deg, var(--aviation-success), #059669);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    text-align: center;
    margin: 1rem 0;
}

.score-value {
    font-size: 2rem;
    font-weight: 700;
    display: block;
}

.score-label {
    font-size: 0.875rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.score-delta {
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

.score-delta.positive {
    color: #86efac;
}

.score-delta.negative {
    color: #fca5a5;
}

/* Loading States */
.loading-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--aviation-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Retry Mechanism Styles */
.retry-banner {
    background: linear-gradient(135deg, var(--aviation-warning), #d97706);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    margin: 1rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.retry-message {
    display: flex;
    align-items: center;
}

.retry-message i {
    margin-right: 0.75rem;
    font-size: 1.2rem;
}

.retry-actions button {
    margin-left: 0.5rem;
}

/* Professional Footer */
.footer-professional {
    background: var(--aviation-secondary);
    color: var(--text-aviation-light);
    padding: 2rem 0;
    margin-top: auto;
}

.footer-links a {
    color: var(--text-aviation-light);
    text-decoration: none;
    margin: 0 1rem;
    font-size: 0.875rem;
}

.footer-links a:hover {
    color: var(--aviation-accent);
    text-decoration: underline;
}

/* Accessibility Improvements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000;
        --text-muted: #666;
    }
    
    .dark-theme {
        --border-color: #fff;
        --text-muted: #ccc;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Aviation-Themed Button Classes */
.btn-aviation-primary {
    background: linear-gradient(135deg, var(--aviation-primary), var(--aviation-primary-hover));
    border: none;
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.btn-aviation-primary:hover {
    background: linear-gradient(135deg, var(--aviation-primary-hover), var(--aviation-primary));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-aviation-danger {
    background: linear-gradient(135deg, var(--aviation-danger), #dc2626);
    border: none;
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.btn-aviation-danger:hover {
    background: linear-gradient(135deg, #dc2626, var(--aviation-danger));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

/* ATC Transmission Styling */
.atc-transmission {
    background: linear-gradient(135deg, var(--aviation-secondary), #475569);
    border-radius: 0.5rem;
    border-left: 4px solid var(--aviation-accent);
    color: white;
}

/* Timeline Styling */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0.75rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-aviation);
}

.timeline-item {
    position: relative;
    margin-bottom: 1.5rem;
}

.timeline-marker {
    position: absolute;
    left: -2.2rem;
    top: 0.25rem;
    width: 1.5rem;
    height: 1.5rem;
    background: var(--aviation-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.75rem;
    z-index: 1;
}

.timeline-content {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
}

.dark-theme .timeline-content {
    background: var(--bg-secondary);
}

/* Enhanced Debrief Timeline Styles */
.timeline-marker .badge {
    z-index: 2;
}

.timeline-marker .badge.small {
    font-size: 0.6rem;
    padding: 0.1rem 0.3rem;
    margin-top: 0.2rem;
}

.turn-score-indicator {
    position: absolute;
    left: -2.5rem;
    top: 2rem;
    font-size: 0.7rem;
    font-weight: bold;
}

/* Debrief Analytics Cards */
.analytics-card {
    background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.analytics-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.analytics-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.analytics-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Performance Trend Indicators */
.trend-indicator {
    font-size: 1.5rem;
    margin-right: 0.5rem;
}

/* Issues List Styling */
.issue-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.5rem;
    padding: 0.5rem;
    background: rgba(245, 158, 11, 0.05);
    border-radius: 0.375rem;
}

.issue-item i {
    margin-right: 0.5rem;
    margin-top: 0.1rem;
    flex-shrink: 0;
}

/* Detailed Score Display */
.score-breakdown {
    background: var(--bg-secondary);
    border-radius: 0.5rem;
    padding: 1rem;
    margin: 0.5rem 0;
}

.score-breakdown h6 {
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.score-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    padding: 0.25rem 0;
}

.score-item:last-child {
    margin-bottom: 0;
    border-top: 1px solid var(--border-color);
    padding-top: 0.75rem;
    margin-top: 0.75rem;
    font-weight: 600;
}

/* Learning Journey Styles - Game-like Interface */
.journey-hero {
    background: linear-gradient(135deg, var(--aviation-primary), var(--aviation-primary-hover));
    color: white;
    padding: 3rem 2rem;
    border-radius: 1rem;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.journey-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 100%;
    height: 200%;
    background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M20 20c0-11.046-8.954-20-20-20v20h20z'/%3E%3C/g%3E%3C/svg%3E");
    animation: float 20s linear infinite;
}

@keyframes float {
    0% { transform: translateX(-100px); }
    100% { transform: translateX(100px); }
}

/* Experience Level Cards */
.experience-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.experience-card:hover .card {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.hover-lift {
    transition: all 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-4px);
}

.experience-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 50%;
}

.experience-badge {
    margin-top: 1rem;
}

/* Selected Level Header */
.selected-level-header {
    position: relative;
    z-index: 10;
}

/* Learning Path Styles */
.learning-path-container {
    position: relative;
    padding: 2rem 0;
}

.learning-stage {
    position: relative;
    margin-bottom: 2rem;
}

.stage-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
}

.current-stage-indicator {
    background: linear-gradient(135deg, var(--aviation-primary), var(--aviation-primary-hover));
    color: white;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 4px rgba(30, 58, 138, 0.2);
    animation: currentPulse 2s infinite;
}

@keyframes currentPulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(30, 58, 138, 0.2); }
    50% { box-shadow: 0 0 0 8px rgba(30, 58, 138, 0.1); }
}

.future-stage-indicator {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border-color);
}

.stage-connector {
    width: 2px;
    height: 60px;
    background: linear-gradient(to bottom, var(--aviation-primary), var(--border-color));
    margin: 8px auto;
}

.learning-stage.completed .stage-connector {
    background: var(--aviation-success);
}

.learning-stage.locked .stage-connector {
    background: var(--border-color);
}

.stage-card {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stage-card.clickable {
    cursor: pointer;
}

.stage-card.clickable:hover {
    transform: translateX(8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.stage-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: var(--aviation-accent);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.stage-card.clickable:hover::before {
    transform: scaleY(1);
}

.learning-stage.completed .stage-card {
    background: rgba(16, 185, 129, 0.02);
    border-color: var(--aviation-success);
}

.learning-stage.completed .stage-card::before {
    background: var(--aviation-success);
    transform: scaleY(1);
}

.learning-stage.current .stage-card {
    background: rgba(30, 58, 138, 0.02);
    border-color: var(--aviation-primary);
    box-shadow: 0 0 0 1px rgba(30, 58, 138, 0.1);
}

.learning-stage.current .stage-card::before {
    background: var(--aviation-primary);
    transform: scaleY(1);
}

.learning-stage.locked .stage-card {
    background: var(--bg-secondary);
    opacity: 0.6;
    cursor: not-allowed;
}

.stage-skills .badge {
    margin: 0.125rem;
}

.stage-info {
    text-align: right;
}

@media (max-width: 768px) {
    .stage-info {
        text-align: left;
        margin-top: 1rem;
    }
}

/* Outcomes Section */
.outcomes-section {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
    border-radius: 1rem;
    padding: 3rem 2rem;
    margin-top: 3rem;
    position: relative;
}

.outcomes-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--aviation-primary), var(--aviation-accent), var(--aviation-success));
    border-radius: 1rem 1rem 0 0;
}

.outcome-card {
    padding: 2rem 1rem;
    transition: all 0.3s ease;
}

.outcome-card:hover {
    transform: translateY(-4px);
}

.outcome-icon {
    animation: float-gentle 3s ease-in-out infinite;
}

.outcome-card:nth-child(2) .outcome-icon {
    animation-delay: -1s;
}

.outcome-card:nth-child(3) .outcome-icon {
    animation-delay: -2s;
}

@keyframes float-gentle {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

/* Progress Indicators */
.progress-ring {
    width: 60px;
    height: 60px;
    position: relative;
    display: inline-block;
}

.progress-ring svg {
    transform: rotate(-90deg);
}

.progress-ring circle {
    fill: none;
    stroke-width: 4;
}

.progress-ring .background {
    stroke: var(--border-color);
}

.progress-ring .progress {
    stroke: var(--aviation-success);
    stroke-linecap: round;
    transition: stroke-dashoffset 0.5s ease;
}

/* Achievement Badges */
.achievement-badge {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-weight: 600;
    font-size: 0.875rem;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.achievement-badge i {
    margin-right: 0.5rem;
    font-size: 1.1rem;
}

/* Gamification Elements */
.level-badge {
    background: linear-gradient(135deg, var(--aviation-primary), var(--aviation-primary-hover));
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-flex;
    align-items: center;
    box-shadow: 0 4px 15px rgba(30, 58, 138, 0.3);
}

.level-badge i {
    margin-right: 0.75rem;
    font-size: 1.2rem;
}

.xp-bar {
    background: var(--bg-tertiary);
    border-radius: 1rem;
    height: 12px;
    overflow: hidden;
    position: relative;
}

.xp-fill {
    background: linear-gradient(90deg, var(--aviation-success), var(--aviation-accent));
    height: 100%;
    transition: width 1s ease;
    border-radius: 1rem;
}

.skill-tag {
    background: rgba(30, 58, 138, 0.1);
    color: var(--aviation-primary);
    border: 1px solid rgba(30, 58, 138, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
    margin: 0.125rem;
    display: inline-block;
    transition: all 0.2s ease;
}

.skill-tag:hover {
    background: rgba(30, 58, 138, 0.15);
    transform: scale(1.05);
}

/* Responsive Design for Learning Journey */
@media (max-width: 768px) {
    .journey-hero {
        padding: 2rem 1rem;
    }
    
    .learning-stage {
        margin-bottom: 1.5rem;
    }
    
    .stage-card.clickable:hover {
        transform: none;
    }
    
    .outcomes-section {
        padding: 2rem 1rem;
    }
    
    .stage-number {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .current-stage-indicator {
        width: 35px;
        height: 35px;
    }
    
    .future-stage-indicator {
        width: 35px;
        height: 35px;
    }
}

/* Dark Theme Support for Learning Journey */
.dark-theme .journey-hero {
    background: linear-gradient(135deg, #1e3a8a, #1e40af);
}

.dark-theme .outcomes-section {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
}

.dark-theme .stage-card {
    background: var(--bg-primary);
    border-color: var(--border-color);
}

.dark-theme .learning-stage.completed .stage-card {
    background: rgba(16, 185, 129, 0.05);
}

.dark-theme .learning-stage.current .stage-card {
    background: rgba(30, 58, 138, 0.05);
}

/* Enhanced Scenario Selection Styles */
.aviation-panel {
    background: linear-gradient(135deg, var(--aviation-primary), var(--aviation-primary-hover));
    color: var(--text-aviation-light);
    padding: 2rem;
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-aviation);
}

.aviation-panel-header {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.aviation-panel-header i {
    font-size: 2rem;
}

.scenario-card {
    cursor: pointer;
    transition: var(--transition-fast);
    border: 2px solid transparent;
    border-radius: 0.75rem;
    overflow: hidden;
}

.scenario-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(var(--aviation-accent), 0.3);
}

.scenario-card.selected {
    border-color: var(--aviation-primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
    background: rgba(30, 58, 138, 0.02);
}

.scenario-meta {
    background: var(--bg-secondary);
    padding: 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
}

.scenario-badges {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.scenario-tags {
    display: flex;
    gap: 0.25rem;
    flex-wrap: wrap;
}

.selected-scenario-details {
    border: 2px solid var(--aviation-primary);
    box-shadow: var(--shadow-aviation);
}

.selected-scenario-details .card-header {
    background: var(--aviation-primary) !important;
}

/* Mobile-First Responsive Design */
@media (max-width: 576px) {
    .aviation-panel {
        padding: 1.5rem 1rem;
    }
    
    .aviation-panel-header {
        font-size: 1.5rem;
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .scenario-card .card-body {
        padding: 1rem;
    }
    
    .scenario-meta {
        padding: 0.5rem;
    }
    
    .selected-scenario-details .row {
        --bs-gutter-x: 0;
    }
    
    .selected-scenario-details .col-lg-6:first-child {
        margin-bottom: 1rem;
    }
}

@media (max-width: 768px) {
    .scenario-card:hover {
        transform: none; /* Disable hover effects on mobile */
    }
    
    .btn-lg {
        width: 100%;
        margin-top: 1rem;
    }
    
    .d-flex.justify-content-between {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Dark theme support for scenario components */
.dark-theme .page {
    background-color: var(--bg-primary);
}

.dark-theme .aviation-panel {
    background: rgba(15, 23, 42, 0.92);
    border-color: rgba(148, 163, 184, 0.35);
    box-shadow: 0 18px 40px -22px rgba(15, 23, 42, 0.85);
}

.dark-theme .aviation-panel-header {
    color: var(--text-primary);
}

.dark-theme .aviation-panel-header i {
    color: var(--aviation-info);
}

.dark-theme .btn-outline-primary {
    color: var(--aviation-accent);
    border-color: rgba(56, 189, 248, 0.6);
}

.dark-theme .btn-outline-primary:hover,
.dark-theme .btn-outline-primary:focus {
    background-color: rgba(56, 189, 248, 0.12);
    border-color: rgba(56, 189, 248, 0.85);
    color: var(--aviation-accent);
}

.dark-theme .alert-info {
    background-color: rgba(59, 130, 246, 0.18);
    border-color: rgba(59, 130, 246, 0.32);
    color: var(--text-primary);
}

.dark-theme .alert-info strong {
    color: var(--text-primary);
}

.dark-theme .scenario-card.selected {
    background: rgba(59, 130, 246, 0.05);
    border-color: var(--aviation-accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.dark-theme .scenario-meta {
    background: var(--bg-tertiary);
}

.dark-theme .selected-scenario-details {
    border-color: var(--aviation-accent);
}

.dark-theme .selected-scenario-details .card-header {
    background: var(--aviation-accent) !important;
}

/* Enhanced Performance Cards for Debrief */
.performance-card {
    background: var(--bg-secondary);
    box-shadow: var(--shadow-md);
    transition: var(--transition-fast);
    border-radius: 0.75rem;
    overflow: hidden;
}

.performance-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.performance-card .card-body {
    padding: 1.5rem;
}

.performance-icon {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.performance-card .card-title {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    color: var(--text-primary);
}

/* Timeline Tree Visualization */
.timeline-tree {
    max-height: 500px;
    overflow-y: auto;
    padding: 1rem;
}

.tree-node {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    padding: 1rem;
    transition: var(--transition-fast);
}

.tree-node:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--aviation-accent);
}

.node-header {
    display: flex;
    justify-content: between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.node-label {
    font-weight: 600;
    color: var(--text-primary);
}

.node-score {
    margin-left: auto;
}

.node-content {
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-color);
}

.transcript {
    font-style: italic;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.verdict {
    font-size: 0.875rem;
}

/* Mobile-responsive debrief layout */
@media (max-width: 768px) {
    .performance-card .card-body {
        padding: 1rem;
    }
    
    .performance-card .card-title {
        font-size: 1.5rem;
    }
    
    .performance-icon {
        height: 40px;
    }
    
    .performance-icon i {
        font-size: 1.5rem !important;
    }
    
    .btn-group {
        flex-direction: column;
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .btn-group .btn {
        margin-bottom: 0.25rem;
    }
}

/* Dark theme support for performance components */
.dark-theme .performance-card {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

.dark-theme .tree-node {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

.dark-theme .tree-node:hover {
    border-color: var(--aviation-accent);
}

.dark-theme .node-content {
    border-top-color: var(--border-color);
}

/* Help and Documentation Enhancement */
.help-section {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border-radius: 0.75rem;
    padding: 2rem;
    margin-bottom: 2rem;
}

.help-card {
    border: none;
    box-shadow: var(--shadow-md);
    transition: var(--transition-fast);
    border-radius: 0.75rem;
}

.help-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.help-card .card-header {
    background: var(--aviation-primary);
    color: var(--text-aviation-light);
    border: none;
    border-radius: 0.75rem 0.75rem 0 0;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.contextual-help {
    position: relative;
    display: inline-block;
}

.help-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--aviation-secondary);
    color: var(--text-aviation-light);
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    white-space: nowrap;
    z-index: 1000;
    margin-bottom: 0.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

.help-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--aviation-secondary);
}

.contextual-help:hover .help-tooltip {
    opacity: 1;
}

/* Responsive help content */
@media (max-width: 768px) {
    .help-section {
        padding: 1.5rem 1rem;
    }
    
    .help-tooltip {
        position: fixed;
        bottom: auto;
        top: auto;
        left: 1rem;
        right: 1rem;
        transform: none;
        white-space: normal;
        max-width: none;
    }
}

.dark-theme .help-section {
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
}

.dark-theme .help-card {
    background: var(--bg-secondary);
}

.dark-theme .help-tooltip {
    background: var(--aviation-accent);
    color: var(--bg-primary);
}

.dark-theme .help-tooltip::after {
    border-top-color: var(--aviation-accent);
}
}