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

:root {
    /* Color Palette */
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --background-light: #f8f9fa;
    --background-white: #ffffff;
    --border-color: #ecf0f1;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: var(--spacing-lg) 0;
    box-shadow: 0 2px 10px var(--shadow-light);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.tagline {
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 300;
}

.nav {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-btn {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-btn:hover,
.nav-btn.active {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Main Content */
.main {
    padding: var(--spacing-xl) 0;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

/* Input Section */
.input-section {
    background: var(--background-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px var(--shadow-light);
}

.input-section h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.section-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 0.95rem;
}

/* Form Styles */
.stats-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.form-group input {
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

/* Button Styles */
.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

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

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-medium);
}

.btn-secondary {
    background: var(--background-light);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
    transform: translateY(-2px);
}

/* Results Section */
.results-section {
    background: var(--background-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px var(--shadow-light);
}

.results-section h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

/* Score Card */
.score-card {
    background: linear-gradient(135deg, var(--success-color) 0%, #2ecc71 100%);
    color: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.score-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.score-header h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
}

.score-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    font-weight: 700;
}

.score-description p {
    opacity: 0.9;
    font-size: 0.9rem;
}

/* Chart Container */
.chart-container {
    margin-bottom: var(--spacing-lg);
}

.chart-container h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.chart-container canvas {
    width: 100% !important;
    height: 300px !important;
}

/* Predictions */
.predictions-container h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.prediction-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.prediction-card {
    background: var(--background-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--border-color);
}

.prediction-card h4 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.prediction-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ML Analytics Tab */
.analytics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.analytics-card {
    background: var(--background-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px var(--shadow-light);
}

.analytics-card h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.card-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.analytics-card canvas {
    width: 100% !important;
    height: 250px !important;
}

/* Anomaly Detection Styles */
.anomaly-info {
    padding: var(--spacing-md);
    background: var(--background-light);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
}

.anomaly-status {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.anomaly-explanation {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* AI Predictions Tab */
.predictions-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
}

.prediction-insight {
    background: var(--background-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px var(--shadow-light);
}

.prediction-insight h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.forecast-chart canvas {
    width: 100% !important;
    height: 300px !important;
}

.recommendations-list {
    list-style: none;
}

.recommendations-list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.recommendations-list li:last-child {
    border-bottom: none;
}

/* Player Similarity Tab */
.similarity-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.similarity-card {
    background: var(--background-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px var(--shadow-light);
}

.similarity-card h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.player-profile {
    text-align: center;
}

.profile-info h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.profile-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.similar-players {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.similar-player {
    padding: var(--spacing-md);
    background: var(--background-light);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--secondary-color);
}

.similar-player h4 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.player-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.similarity-score {
    font-size: 0.9rem;
    color: var(--secondary-color);
    font-weight: 600;
}

.similarity-chart-container {
    background: var(--background-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px var(--shadow-light);
}

.similarity-chart-container h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

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

/* Footer */
.footer {
    background: var(--primary-color);
    color: white;
    text-align: center;
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xl);
}

.footer p {
    opacity: 0.8;
    font-size: 0.9rem;
}

/* Anomaly Alert Styles */
.anomaly-alert {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    z-index: 1000;
    max-width: 300px;
    animation: slideIn 0.3s ease-out;
}

.alert-content h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
}

.alert-content p {
    margin: 0.25rem 0;
    font-size: 0.9rem;
    opacity: 0.9;
}

.alert-content button {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .nav {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .prediction-grid {
        grid-template-columns: 1fr;
    }
    
    .analytics-grid {
        grid-template-columns: 1fr;
    }
    
    .predictions-grid {
        grid-template-columns: 1fr;
    }
    
    .similarity-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .nav-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.9rem;
    }
}

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

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOut {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}

.tab-content.active {
    animation: fadeIn 0.5s ease-out;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--secondary-color);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
} 

/* Team Comparison Section */
.team-comparison-section {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--background-light);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.team-comparison-section h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.team-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.other-players-container {
    margin-bottom: var(--spacing-lg);
}

.other-player-form {
    background: var(--background-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: 0 2px 10px var(--shadow-light);
    border: 1px solid var(--border-color);
}

.other-player-form h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.other-player-form .form-row {
    margin-bottom: var(--spacing-md);
}

.other-player-form .form-group {
    margin-bottom: var(--spacing-sm);
}

.other-player-form label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.other-player-form input,
.other-player-form select {
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color 0.3s ease;
    width: 100%;
}

.other-player-form input:focus,
.other-player-form select:focus {
    outline: none;
    border-color: var(--secondary-color);
}

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

.btn-danger:hover {
    background: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-medium);
}

.remove-player {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
}

/* Team Comparison Results */
.team-comparison-results {
    margin-bottom: var(--spacing-lg);
}

.ranking-list {
    background: var(--background-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 10px var(--shadow-light);
}

.ranking-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease;
}

.ranking-item:hover {
    background: var(--background-light);
}

.ranking-item:last-child {
    border-bottom: none;
}

.ranking-item.current-player {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(52, 152, 219, 0.05) 100%);
    border-left: 4px solid var(--secondary-color);
}

.rank {
    font-weight: 700;
    font-size: 1.1rem;
    margin-right: var(--spacing-md);
    min-width: 40px;
}

.player-name {
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.position {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-right: var(--spacing-md);
    min-width: 120px;
}

.efficiency {
    font-weight: 700;
    color: var(--success-color);
    font-size: 1.1rem;
    min-width: 60px;
    text-align: right;
}

/* Team Comparison Chart */
#teamComparisonChartContainer {
    margin-top: var(--spacing-lg);
}

#teamComparisonChart {
    width: 100% !important;
    height: 300px !important;
}