/* risk-matchup.css - Optimized for production
   - No design, layout, or color changes
   - All animations, transitions, and accessibility preserved
   - Improved organization and performance
*/

/* =================================
   CSS Custom Properties
   ================================= */
:root {
    /* Layout */
    --game-max-width: 800px;
    --card-max-width: 600px;
    --container-padding: clamp(1rem, 3vw, 1.5rem);
    --card-padding: clamp(1.5rem, 4vw, 2rem);
    
    /* Typography */
    --title-size: clamp(2rem, 5vw, 2.5rem);
    --symptom-size: clamp(1.25rem, 3vw, 1.5rem);
    --button-size: clamp(1rem, 2vw, 1.125rem);
    
    /* Colors */
    --card-bg: var(--bg-light);
    --card-border: 1px solid var(--border-color);
    --feedback-success-bg: color-mix(in srgb, var(--healing-green) 10%, white);
    --feedback-error-bg: color-mix(in srgb, var(--warm-red) 10%, white);
    
    /* Animations */
    --card-transition: transform 0.3s ease;
    --feedback-transition: all 0.3s ease;
    
    /* Shadows */
    --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --card-hover-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* =================================
   Base Layout
   ================================= */
.game-page {
    min-height: 100vh;
    padding-top: var(--header-offset);
    background: linear-gradient(to bottom, var(--soft-beige), white);
}

.container {
    container-type: inline-size;
    container-name: game;
    width: min(var(--game-max-width), 100% - var(--container-padding) * 2);
    margin-inline: auto;
}

/* =================================
   Game Header
   ================================= */
.game-header {
    position: relative;
    text-align: center;
    padding: var(--space-xl) var(--padding-inline);
    margin-bottom: var(--space-xl);
    background: var(--soft-beige);
}

.section-title {
    font-family: var(--heading-font);
    font-size: var(--title-size);
    color: var(--heading-color);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-title em {
    color: var(--primary-blue);
    font-style: italic;
}

.section-description {
    max-width: 65ch;
    margin-inline: auto;
    color: var(--text-color);
    line-height: 1.6;
    font-size: clamp(1rem, 2.5vw, 1.125rem);
}

/* =================================
   Game Content
   ================================= */
.game-content {
    display: grid;
    gap: 1rem;
    place-items: center;
}

/* =================================
   Drop Zones
   ================================= */
.drop-zones {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    width: 100%;
    margin-bottom: var(--space-xl);
}

.drop-zone {
    background: var(--card-bg, #fff);
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: var(--radius-lg, 1rem);
    padding: 2rem 1rem;
    min-height: 180px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    transition: box-shadow 0.2s, border-color 0.2s;
}

.drop-zone.hover {
    background: var(--hover-bg);
    border-color: var(--primary-blue);
}

.drop-zone h2 {
    font-family: var(--heading-font);
    font-size: var(--text-xl);
    color: var(--heading-color);
    margin-bottom: var(--space-md);
    text-align: center;
}

.zone-hint {
    text-align: center;
    color: var(--text-muted);
    font-size: var(--text-sm);
    margin-top: var(--space-sm);
}

/* =================================
   Risk Factors
   ================================= */
.risk-factors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    width: 100%;
    margin-bottom: var(--space-xl);
}

.risk-factor {
    background: var(--card-bg, #fff);
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: var(--radius-md, 0.75rem);
    padding: 1.25rem 1rem;
    margin-bottom: 1rem;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
    cursor: grab;
    font-size: 1.1rem;
    transition: box-shadow 0.2s, border-color 0.2s;
}

.risk-factor.dragging {
    opacity: 0.5;
    cursor: grabbing;
}

.risk-factor.correct {
    background: var(--feedback-success-bg);
    border-color: var(--success-color);
}

.risk-factor.incorrect {
    background: var(--feedback-error-bg);
    border-color: var(--error-color);
}

/* =================================
   Score Display
   ================================= */
.score-container {
    position: fixed;
    top: calc(var(--header-height) + var(--space-md));
    right: var(--space-md);
    z-index: var(--z-sticky);
}

.score {
    background: var(--primary-blue);
    color: var(--pure-white);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-weight: var(--weight-semibold);
    font-size: var(--text-base);
    box-shadow: var(--shadow-md);
}

/* =================================
   Game Completion
   ================================= */
.game-completion {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--pure-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: var(--z-modal);
    max-width: 90%;
    width: 400px;
}

.game-completion h2 {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.game-completion p {
    font-family: var(--font-body);
    font-size: var(--text-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

/* =================================
   Buttons
   ================================= */
.btn {
    padding: 0.75rem 1.5rem;
    font-size: var(--button-size);
    font-weight: 600;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 120px;
}

.btn:focus-visible {
    outline: var(--focus-ring-width) solid var(--focus-ring-color);
    outline-offset: 2px;
}

.btn:focus:not(:focus-visible) {
    outline: none;
}

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

.btn:active {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* =================================
   Accessibility & Responsive Design
   ================================= */
@media (prefers-reduced-motion: reduce) {
    .btn,
    .risk-factor,
    .drop-zone {
        transition: none;
    }
    
    .btn:hover {
        transform: none;
    }
}

@media (prefers-contrast: more) {
    .btn {
        border: 2px solid currentColor;
    }
    
    .feedback {
        border: 2px solid currentColor;
    }
    
    .risk-factor {
        border: 2px solid currentColor;
    }
    
    .drop-zone {
        border: 2px solid currentColor;
    }
    
    .score {
        border: 2px solid var(--pure-white);
    }
}

@media (max-width: 768px) {
    .game-page {
        padding-top: calc(var(--header-height-mobile) + 1rem);
    }
    
    .container {
        width: 100%;
        padding: 0 var(--space-sm);
    }
    
    .game-card {
        padding: var(--space-md);
        margin-bottom: var(--space-md);
    }
    
    .risk-factor {
        min-height: var(--touch-target-min);
        padding: var(--space-sm) var(--space-md);
        font-size: var(--text-base);
    }
    
    .drop-zone {
        min-height: var(--touch-target-min);
        padding: var(--space-sm);
    }
    
    .nav-buttons {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .game-btn {
        width: 100%;
        min-height: var(--touch-target-min);
    }
    
    .drop-zones {
        grid-template-columns: 1fr;
    }
    
    .risk-factors {
        grid-template-columns: 1fr;
    }
    
    .score {
        position: static;
        margin: var(--space-md) auto;
        width: fit-content;
    }
}

@media (max-width: 360px) {
    .risk-factors {
        gap: var(--space-sm);
    }
    
    .risk-factor {
        padding: var(--space-sm);
    }
}

/* =================================
   Print Styles
   ================================= */
@media print {
    .game-page {
        background: none;
        padding: 0;
    }
    
    .score-container {
        display: none;
    }
    
    .btn {
        display: none;
    }
}

/* Performance Optimizations */
.game-card {
    will-change: transform;
    contain: content;
}

.risk-factor {
    will-change: transform, background-color;
}

.drop-zone {
    will-change: background-color;
}

/* Accessibility */
.risk-factor:focus-visible,
.drop-zone:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .game-card,
    .risk-factor,
    .drop-zone,
    .game-btn {
        transition: none;
    }
}

/* Shared game card and option button styles for consistency */
.game-card, .quiz-card, .content-card {
  border-radius: var(--radius-lg, 1.25rem);
  box-shadow: var(--card-shadow, 0 2px 12px 0 rgba(0,0,0,0.06));
  padding: var(--card-padding, 2rem);
  background: #fff;
  margin-bottom: 1.5rem;
}

.game-option, .option-button, .quiz-option {
  min-height: 48px;
  font-size: var(--option-size, 1rem);
  border-radius: var(--radius-md, 0.75rem);
  transition: all var(--transition-speed, 0.3s) ease;
  outline: none;
  cursor: pointer;
  border: 1px solid var(--card-border-color, #e5e7eb);
  background: #fff;
  color: var(--text-color, #1e293b);
  display: flex;
  align-items: center;
  width: 100%;
  margin-bottom: 0.75rem;
}
.game-option:focus-visible,
.option-button:focus-visible,
.quiz-option:focus-visible {
  outline: 2px solid var(--primary-blue, #2563eb);
  outline-offset: 2px;
}