/* Neural Detective - Action Potential Simulator Styles */

/* CSS Custom Properties for Theme System */
:root {
    /* Light theme colors (default) */
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --text-primary: #2c3e50;
    --text-secondary: #34495e;
    --text-muted: #7f8c8d;
    --text-light: #95a5a6;
    --text-contrast: #2c3e50;
    
    --card-bg: rgba(255, 255, 255, 0.95);
    --card-border: rgba(0, 0, 0, 0.1);
    --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --card-shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.15);
    
    --header-bg: rgba(255, 255, 255, 0.95);
    --header-text: #2c3e50;
    --header-subtitle: #7f8c8d;
    
    --story-card-bg: #3498db;
    --story-card-text: #ffffff;
    
    --control-bg: #f8f9fa;
    --control-text: #2c3e50;
    --control-border: rgba(0, 0, 0, 0.15);
    
    --input-bg: #ffffff;
    --input-text: #2c3e50;
    --input-border: #ddd;
    --input-focus: #3498db;
    
    --log-bg: #f8f9fa;
    --log-text: #2c3e50;
    --log-border: #e9ecef;
    --log-spike: #e74c3c;
    --log-normal: #6c757d;
    
    --accent-primary: #3498db;
    --accent-success: #27ae60;
    --accent-warning: #f39c12;
    --accent-danger: #e74c3c;
    --accent-secondary: #95a5a6;
}

/* Dark theme colors */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-gradient: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
        --text-primary: #ecf0f1;
        --text-secondary: #bdc3c7;
        --text-muted: #95a5a6;
        --text-light: #7f8c8d;
        --text-contrast: #ecf0f1;
        
        --card-bg: rgba(52, 73, 94, 0.95);
        --card-border: rgba(255, 255, 255, 0.1);
        --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        --card-shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.4);
        
        --header-bg: rgba(52, 73, 94, 0.95);
        --header-text: #ecf0f1;
        --header-subtitle: #bdc3c7;
        
        --story-card-bg: #34495e;
        --story-card-text: #ecf0f1;
        
        --control-bg: #2c3e50;
        --control-text: #ecf0f1;
        --control-border: rgba(255, 255, 255, 0.15);
        
        --input-bg: #34495e;
        --input-text: #ecf0f1;
        --input-border: #4a5568;
        --input-focus: #3498db;
        
        --log-bg: #2c3e50;
        --log-text: #ecf0f1;
        --log-border: #34495e;
        --log-spike: #ff6b6b;
        --log-normal: #bdc3c7;
        
        --accent-primary: #3498db;
        --accent-success: #27ae60;
        --accent-warning: #f39c12;
        --accent-danger: #e74c3c;
        --accent-secondary: #95a5a6;
    }
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-gradient);
    min-height: 100vh;
    transition: color 0.3s ease, background 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: var(--card-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.header h1 {
    color: var(--header-text);
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.header .subtitle {
    text-align: center;
    color: var(--header-subtitle);
    font-size: 1.1rem;
    font-weight: 300;
    transition: color 0.3s ease;
}

/* Main Content */
.main {
    padding: 3rem 0 4rem 0;
}

/* Card Styles */
.card-base {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 5rem;
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

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

.story-card,
.panel-card,
.info-card,
.chart-card,
.analysis-card,
.log-card,
.diagnosis-card,
.learning-card,
.tasks-card,
.patterns-card,
.treatment-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 5rem;
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.story-card:hover,
.panel-card:hover,
.info-card:hover,
.chart-card:hover,
.analysis-card:hover,
.log-card:hover,
.diagnosis-card:hover,
.learning-card:hover,
.tasks-card:hover,
.patterns-card:hover,
.treatment-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--card-shadow-hover);
}

/* Story Card */
.story-card {
    background: var(--story-card-bg) !important;
    color: var(--story-card-text) !important;
    text-align: center;
    border-radius: 20px;
    padding: 1rem 1rem;
}

.story-card h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--story-card-text) !important;
    transition: color 0.3s ease;
}

.story-card p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
    color: var(--story-card-text) !important;
    transition: color 0.3s ease;
}

/* Control Panel */
.controls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    align-items: end;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.control-group label {
    font-weight: 600;
    color: var(--text-contrast);
    font-size: 1rem;
    transition: color 0.3s ease;
}

.case-select {
    padding: 12px 16px;
    border: 2px solid var(--input-border);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--input-bg);
    color: var(--input-text);
    cursor: pointer;
    transition: border-color 0.3s ease, background 0.3s ease, color 0.3s ease;
}

.case-select:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.slider {
    width: 100%;
    height: 6px;
    border-radius: 5px;
    background: var(--input-border);
    outline: none;
    cursor: pointer;
    transition: background 0.3s ease;
}

.slider::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-primary);
    cursor: pointer;
    transition: background 0.3s ease;
}

.slider::-webkit-slider-thumb:hover {
    background: #2980b9;
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-primary);
    cursor: pointer;
    border: none;
    transition: background 0.3s ease;
}

.slider-value {
    font-weight: 600;
    color: var(--accent-primary);
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #27ae60, #229954);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #229954, #1e8449);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(39, 174, 96, 0.3);
}

.btn-secondary {
    background: linear-gradient(135deg, #95a5a6, #7f8c8d);
    color: white;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #7f8c8d, #6c757d);
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
}

.btn-success:hover {
    background: linear-gradient(135deg, #c0392b, #a93226);
    transform: translateY(-2px);
}

/* Case Information */
.case-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.case-param {
    background: var(--control-bg);
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid var(--accent-primary);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.case-param .param-name {
    font-weight: 700;
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.case-param .param-value {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 600;
    line-height: 1.4;
    text-align: left;
    display: block;
    transition: color 0.3s ease;
}

/* Results Section */
.results-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-bottom: 4rem;
}

@media (max-width: 768px) {
    .results-grid {
        grid-template-columns: 1fr;
    }
}

.chart-card {
    min-height: 450px;
    max-height: 600px;
    position: relative;
    padding: 1.5rem;
}

.chart-card canvas {
    max-height: 400px !important;
    width: 100% !important;
}

.chart-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 1.3rem;
    font-weight: 700;
    transition: color 0.3s ease;
}

.chart-container {
    position: relative;
    height: 400px;
    width: 100%;
    margin-top: 1rem;
}

.analysis-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.spike-data {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.spike-stat {
    background: var(--control-bg);
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid var(--accent-danger);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.spike-stat .stat-label {
    font-weight: 700;
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

.spike-stat .stat-value {
    font-size: 1.6rem;
    color: var(--accent-danger);
    font-weight: 800;
    line-height: 1.2;
    transition: color 0.3s ease;
}

/* Simulation Log */
.simulation-log {
    background: var(--log-bg);
    color: var(--log-text);
    padding: 1.5rem;
    border-radius: 8px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.95rem;
    line-height: 1.6;
    max-height: 320px;
    overflow-y: auto;
    border: 2px solid var(--log-border);
    transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.log-entry {
    margin-bottom: 0.6rem;
    padding: 0.3rem 0;
    border-bottom: 1px solid var(--control-border);
    transition: border-color 0.3s ease;
}

.log-entry.spike {
    color: var(--log-spike);
    font-weight: bold;
    background: rgba(231, 76, 60, 0.1);
    padding: 0.5rem;
    border-radius: 4px;
    margin: 0.3rem 0;
    transition: color 0.3s ease;
}

.log-entry.normal {
    color: var(--log-normal);
    transition: color 0.3s ease;
}

/* Diagnosis Card */
.diagnosis-content {
    margin-bottom: 2rem;
    color: var(--text-primary) !important;
    transition: color 0.3s ease;
}

.diagnosis-item {
    background: var(--control-bg);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    color: var(--text-primary) !important;
    transition: background 0.3s ease, color 0.3s ease;
}

.diagnosis-label {
    font-weight: 700;
    color: var(--text-primary) !important;
    margin-bottom: 0.5rem;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.diagnosis-value {
    color: var(--text-secondary) !important;
    font-size: 1rem;
    line-height: 1.5;
    font-weight: 600;
    transition: color 0.3s ease;
}

.diagnosis-value.critical {
    color: var(--accent-danger) !important;
    font-weight: 700;
    font-size: 1.1rem;
}

.diagnosis-value.normal {
    color: var(--accent-success) !important;
    font-weight: 700;
    font-size: 1.1rem;
}

.diagnosis-value.mild {
    color: var(--accent-warning) !important;
    font-weight: 700;
    font-size: 1.1rem;
}


/* Tasks Section */
.task-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.task-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--control-bg);
    border-radius: 8px;
    border-left: 4px solid var(--accent-primary);
    transition: transform 0.2s ease, background 0.3s ease, border-color 0.3s ease;
}

.task-item:hover {
    transform: translateX(5px);
}

.task-number {
    background: var(--accent-primary);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
    transition: background 0.3s ease;
}

.task-text {
    color: var(--text-primary);
    font-weight: 500;
    line-height: 1.5;
    transition: color 0.3s ease;
}

/* Patterns Section */
.patterns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.pattern-item {
    background: var(--control-bg);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--accent-warning);
    transition: transform 0.2s ease, background 0.3s ease, border-color 0.3s ease;
}

.pattern-item:hover {
    transform: translateY(-2px);
}

.pattern-header {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.pattern-description {
    color: var(--text-secondary);
    line-height: 1.5;
    font-weight: 500;
    transition: color 0.3s ease;
}

/* Card headings - ensure proper contrast for both themes */
.info-card h3,
.analysis-card h3,
.log-card h3,
.diagnosis-card h3,
.tasks-card h3,
.patterns-card h3,
.treatment-card h3,
.panel-card h3 {
    color: var(--text-primary) !important;
    margin-bottom: 1.5rem;
    font-weight: 600;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

/* Section spacing - ensure proper separation between major sections */
.intro-section,
.control-panel,
.case-info,
.results-section,
.tasks-section,
.treatment-section,
.patterns-section {
    margin-bottom: 5rem;
}

/* Specific spacing for nested result components */
.log-card {
    margin-bottom: 4rem;
}

.diagnosis-card {
    margin-bottom: 4rem;
}

/* Treatment Laboratory Section */
.treatment-description {
    color: var(--text-primary);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    text-align: center;
    font-weight: 500;
    transition: color 0.3s ease;
}

.treatment-controls {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.treatment-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

@media (max-width: 900px) {
    .treatment-grid {
        grid-template-columns: 1fr;
    }
}

.parameter-control {
    background: var(--control-bg);
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--accent-primary);
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.3s ease;
}

.parameter-control:hover {
    transform: translateY(-2px);
    border-color: #2980b9;
}

.parameter-control label {
    display: block;
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.param-slider {
    width: 100%;
    height: 8px;
    border-radius: 5px;
    background: var(--input-border);
    outline: none;
    cursor: pointer;
    margin-bottom: 0.75rem;
    transition: background 0.3s ease;
}

.param-slider::-webkit-slider-thumb {
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--accent-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.3);
}

.param-slider::-webkit-slider-thumb:hover {
    background: #2980b9;
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.5);
}

.param-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--accent-primary);
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

.param-value {
    display: inline-block;
    background: var(--log-bg);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 700;
    font-size: 1.1rem;
    min-width: 60px;
    text-align: center;
    margin-bottom: 0.5rem;
    transition: background 0.3s ease, color 0.3s ease;
}

.param-range {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-style: italic;
    margin-top: 0.5rem;
    transition: color 0.3s ease;
}

.treatment-actions {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1rem;
}

.treatment-actions .btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    min-width: 180px;
}

.treatment-feedback {
    background: var(--control-bg);
    border-radius: 8px;
    padding: 1.5rem;
    margin-top: 2rem;
    border-left: 4px solid var(--accent-warning);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.treatment-feedback h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.treatment-feedback.success {
    border-left-color: var(--accent-success);
}

.treatment-feedback.warning {
    border-left-color: var(--accent-warning);
}

.treatment-feedback.error {
    border-left-color: var(--accent-danger);
}

.feedback-content {
    color: var(--text-primary);
    line-height: 1.6;
    transition: color 0.3s ease;
}

.feedback-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.feedback-metric {
    background: var(--card-border);
    padding: 0.75rem;
    border-radius: 6px;
    text-align: center;
    transition: background 0.3s ease;
}

.feedback-metric .metric-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
    transition: color 0.3s ease;
}

.feedback-metric .metric-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .treatment-grid {
        grid-template-columns: 1fr;
    }
    
    .treatment-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .treatment-actions .btn {
        min-width: 200px;
    }
}

/* Footer */
.footer {
    background: var(--control-bg);
    color: var(--text-primary);
    text-align: center;
    padding: 2rem 0;
    margin-top: 5rem;
    transition: background 0.3s ease, color 0.3s ease;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .controls-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .card-base {
        padding: 1.5rem;
    }
    
    .patterns-grid {
        grid-template-columns: 1fr;
    }
    
    .case-details {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.8rem;
    }
    
    .header .subtitle {
        font-size: 1rem;
    }
    
    .card-base {
        padding: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .card-base {
        border: 2px solid #333;
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}

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

/* Enhanced responsive design for better theme compatibility */
@media (max-width: 768px) {
    :root {
        /* Adjust spacing for mobile */
        --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        --card-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
    }
    
    body {
        font-size: 14px;
    }
    
    .story-card h2 {
        font-size: 1.8rem;
    }
    
    .case-param,
    .spike-stat,
    .task-item,
    .pattern-item {
        padding: 1rem;
    }
    
    .treatment-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .parameter-control {
        padding: 1rem;
    }
}

@media (prefers-color-scheme: dark) {
    /* Dark theme styles are already defined in :root variables above */
    /* This ensures proper fallback for older browsers */
    .chart-container {
        /* Ensure charts have proper contrast in dark mode */
        filter: brightness(1.1) contrast(0.95);
    }
}