/* ============================================
   RELIMETRICS SWIPE GAME - STYLES
   Theme based on Relimetrics website design
   ============================================ */

@import 'share-styles.css';

/* CSS Variables / Design Tokens */
:root {
    /* Colors */
    --color-bg-primary: #0a0f0d;
    --color-bg-secondary: #111614;
    --color-bg-tertiary: #1a1f1d;
    --color-bg-card: #1e2422;
    --color-accent: #00d4aa;
    --color-accent-light: #00ffcc;
    --color-accent-dark: #00a888;
    --color-text-primary: #ffffff;
    --color-text-secondary: #9ca3a0;
    --color-text-muted: #6b7270;
    --color-success: #00d4aa;
    --color-error: #ff4757;
    --color-synthetic: #ff6b81;
    --color-real: #00d4aa;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(0, 212, 170, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

/* Reset & Base */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
}

body {
    font-family: var(--font-family);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* App Container */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    max-width: 100%;
    overflow-x: hidden;
    overflow-y: auto;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 100;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 600;
}

.logo-icon {
    color: var(--color-accent);
    font-size: 1.5rem;
}

.logo-text .accent {
    color: var(--color-accent);
}

.admin-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--color-bg-tertiary);
    text-decoration: none;
    font-size: 1.25rem;
    transition: all var(--transition-fast);
}

.admin-link:hover {
    background: var(--color-accent);
    transform: rotate(90deg);
}

.score-display {
    display: none;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    /* Absolutely center in header */
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.score-display.visible {
    display: flex;
}

.score-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.score-label {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.score-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-accent);
}

.score-divider {
    width: 1px;
    height: 28px;
    background: rgba(255, 255, 255, 0.1);
}

/* Screens */
.screen {
    display: none;
    flex: 1;
    overflow: hidden;
}

.screen.active {
    display: flex;
}

.screen-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

/* Case Selection Screen */
.case-selection-screen {
    background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
}

.title-block {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.accent-bar {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
    margin: 0 auto var(--spacing-md);
    border-radius: var(--radius-full);
}

.title-block h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-text-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1rem;
    color: var(--color-text-secondary);
    max-width: 400px;
}

/* Instructions */
.instructions {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.instruction-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.swipe-indicator {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    font-weight: 600;
}

.swipe-indicator.swipe-left {
    background: rgba(255, 75, 87, 0.15);
    color: var(--color-synthetic);
}

.swipe-indicator.swipe-right {
    background: rgba(0, 212, 170, 0.15);
    color: var(--color-real);
}

.instruction-item span {
    color: var(--color-text-secondary);
}

.instruction-item strong {
    color: var(--color-text-primary);
}

/* Case Section */
.case-section {
    text-align: center;
    width: 100%;
    max-width: 100%;
}

.case-section h2 {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.scroll-hint {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    margin-top: var(--spacing-sm);
    opacity: 0.7;
    animation: fadeHint 2s ease-in-out infinite;
}

@keyframes fadeHint {

    0%,
    100% {
        opacity: 0.4;
    }

    50% {
        opacity: 0.8;
    }
}

.case-buttons-wrapper {
    position: relative;
    width: 100%;
    max-width: 100vw;
    padding: 0 var(--spacing-lg);
}

.case-buttons {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--color-accent) var(--color-bg-tertiary);
    padding: var(--spacing-md) var(--spacing-lg);

    /* Safe centering: fit content width and center with margin */
    width: fit-content;
    max-width: 100%;
    margin: 0 auto;
}

/* Custom scrollbar for webkit browsers */
.case-buttons::-webkit-scrollbar {
    height: 6px;
}

.case-buttons::-webkit-scrollbar-track {
    background: var(--color-bg-tertiary);
    border-radius: 3px;
}

.case-buttons::-webkit-scrollbar-thumb {
    background: var(--color-accent);
    border-radius: 3px;
}

.case-buttons::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-light);
}

.case-btn {
    padding: 0;
    background: var(--color-bg-tertiary);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-xl);
    color: var(--color-accent);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    width: 180px;
    min-width: 180px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    scroll-snap-align: start;
}

.case-btn:hover {
    border-color: var(--color-accent-light);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

.case-btn:hover .case-thumbnail {
    transform: scale(1.05);
}

.case-btn .case-thumbnail-wrapper {
    width: 100%;
    height: 120px;
    overflow: hidden;
    background: var(--color-bg-card);
    position: relative;
}

.case-btn .case-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.case-btn .case-thumbnail-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-tertiary) 100%);
    color: var(--color-text-muted);
    font-size: 2rem;
}

.case-btn .case-info {
    padding: var(--spacing-md);
    text-align: center;
}

.case-btn .case-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.case-btn .case-count {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--color-text-muted);
}

/* Game Screen */
.game-screen {
    flex-direction: column;
    background: var(--color-bg-primary);
}

.game-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--spacing-lg);
}

.swipe-labels {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    pointer-events: none;
    z-index: 1;
}

.swipe-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.875rem;
    opacity: 0.3;
    transition: opacity var(--transition-fast);
}

.swipe-label.label-synthetic {
    background: rgba(255, 75, 87, 0.2);
    color: var(--color-synthetic);
}

.swipe-label.label-real {
    background: rgba(0, 212, 170, 0.2);
    color: var(--color-real);
}

.swipe-label.highlight {
    opacity: 1;
}

/* Card Stack */
.card-stack {
    position: relative;
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1/1;
    z-index: 10;
}

.card {
    position: absolute;
    inset: 0;
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    cursor: grab;
    user-select: none;
    touch-action: none;
    transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.card:active {
    cursor: grabbing;
}

.card.behind {
    transform: scale(0.95) translateY(10px);
    opacity: 0.5;
    pointer-events: none;
}

.card.swiping {
    transition: none;
}

.card.exit-left {
    transform: translateX(-150%) rotate(-30deg);
    opacity: 0;
    pointer-events: none;
}

.card.exit-right {
    transform: translateX(150%) rotate(30deg);
    opacity: 0;
    pointer-events: none;
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.card-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}



.card-stamp {
    position: absolute;
    top: 50%;
    padding: clamp(8px, 2vw, 24px) clamp(16px, 4vw, 48px);
    border: clamp(3px, 0.8vw, 6px) solid;
    border-radius: var(--radius-lg);
    font-size: clamp(1rem, 5vw, 2.5rem);
    font-weight: 800;
    letter-spacing: clamp(1px, 0.5vw, 3px);
    text-transform: uppercase;
    transform: translateY(-50%) rotate(-20deg) scale(0.8);
    opacity: 0;
    transition: opacity 400ms ease, transform 400ms ease;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    max-width: 80%;
    text-align: center;
}

.card-stamp.stamp-synthetic {
    right: 10%;
    color: var(--color-synthetic);
    border-color: var(--color-synthetic);
    background: rgba(255, 75, 87, 0.15);
    box-shadow: 0 0 30px rgba(255, 75, 87, 0.3);
    transform: translateY(-50%) rotate(15deg) scale(0.8);
}

.card-stamp.stamp-real {
    left: 10%;
    color: var(--color-real);
    border-color: var(--color-real);
    background: rgba(0, 212, 170, 0.15);
    box-shadow: 0 0 30px rgba(0, 212, 170, 0.3);
    transform: translateY(-50%) rotate(-15deg) scale(0.8);
}

.card-stamp.visible {
    opacity: 1;
}

.card-stamp.stamp-real.visible {
    transform: translateY(-50%) rotate(-15deg) scale(1);
}

.card-stamp.stamp-synthetic.visible {
    transform: translateY(-50%) rotate(15deg) scale(1);
}

/* Feedback Overlay */
.feedback-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 20;
}

.feedback-icon {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4.5rem;
    font-weight: bold;
    opacity: 0;
    transform: scale(0.3);
    transition: all 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.feedback-icon.show {
    opacity: 1;
    transform: scale(1);
}

.feedback-icon.show.correct {
    animation: popIn 600ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.feedback-icon.correct {
    background: rgba(0, 212, 170, 0.25);
    color: var(--color-success);
    box-shadow: 0 0 60px rgba(0, 212, 170, 0.5), inset 0 0 30px rgba(0, 212, 170, 0.1);
    border: 3px solid var(--color-success);
}

.feedback-icon.incorrect {
    background: rgba(255, 75, 87, 0.25);
    color: var(--color-error);
    box-shadow: 0 0 60px rgba(255, 75, 87, 0.5), inset 0 0 30px rgba(255, 75, 87, 0.1);
    border: 3px solid var(--color-error);
    animation: shake 0.6s ease;
}

@keyframes popIn {
    0% {
        transform: scale(0.3);
    }

    50% {
        transform: scale(1.15);
    }

    70% {
        transform: scale(0.95);
    }

    100% {
        transform: scale(1);
    }
}

@keyframes shake {

    0%,
    100% {
        transform: scale(1) translateX(0);
    }

    20% {
        transform: scale(1) translateX(-10px);
    }

    40% {
        transform: scale(1) translateX(10px);
    }

    60% {
        transform: scale(1) translateX(-10px);
    }

    80% {
        transform: scale(1) translateX(10px);
    }
}

/* Mobile Buttons */
.mobile-buttons {
    display: none;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mobile-btn.btn-synthetic {
    background: rgba(255, 75, 87, 0.15);
    color: var(--color-synthetic);
}

.mobile-btn.btn-synthetic:hover {
    background: rgba(255, 75, 87, 0.25);
}

.mobile-btn.btn-real {
    background: rgba(0, 212, 170, 0.15);
    color: var(--color-real);
}

.mobile-btn.btn-real:hover {
    background: rgba(0, 212, 170, 0.25);
}

/* Results Screen */
.results-screen {
    background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
}

.results-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg) var(--spacing-xl);
    box-shadow: var(--shadow-card);
    text-align: center;
    max-width: 380px;
    width: 100%;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.results-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.results-stats {
    margin: var(--spacing-lg) 0;
}

.stat-circle {
    position: relative;
    width: 130px;
    height: 130px;
    margin: 0 auto var(--spacing-sm);
}

.stat-circle svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.stat-circle circle {
    fill: none;
    stroke-width: 8;
    stroke-linecap: round;
}

.stat-bg {
    stroke: var(--color-bg-tertiary);
}

.stat-fill {
    stroke: var(--color-accent);
    stroke-dasharray: 283;
    stroke-dashoffset: 283;
    transition: stroke-dashoffset 1s ease;
}

.stat-value {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
}

.stat-unit {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
}

.stat-label {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.results-breakdown {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.breakdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.breakdown-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1rem;
}

.breakdown-item.correct .breakdown-icon {
    background: rgba(0, 212, 170, 0.2);
    color: var(--color-success);
}

.breakdown-item.incorrect .breakdown-icon {
    background: rgba(255, 75, 87, 0.2);
    color: var(--color-error);
}

.breakdown-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.breakdown-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.results-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

.btn-primary:hover {
    background: var(--color-accent-light);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

/* Loading State */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-2xl);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-bg-tertiary);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .title-block h1 {
        font-size: 1.75rem;
    }

    .instructions {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .instruction-item {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .swipe-indicator {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }

    .card-stack {
        max-width: 320px;
    }

    .mobile-buttons {
        display: flex;
    }

    .swipe-labels {
        display: none;
    }
}

@media (max-width: 480px) {
    .header {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .logo {
        font-size: 1rem;
    }

    .score-display {
        padding: var(--spacing-xs) var(--spacing-sm);
        gap: var(--spacing-sm);
    }

    .score-value {
        font-size: 0.875rem;
    }

    .title-block h1 {
        font-size: 1.5rem;
    }

    .subtitle {
        font-size: 0.875rem;
    }

    .case-btn {
        padding: var(--spacing-sm) var(--spacing-lg);
    }

    .card-stack {
        max-width: 280px;
    }

    .results-card {
        padding: var(--spacing-lg);
    }

    .stat-circle {
        width: 120px;
        height: 120px;
    }

    .stat-value {
        font-size: 2rem;
    }
}

/* ============================================
   PARTICLE EFFECTS
   ============================================ */

.particle-container {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1000;
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    will-change: transform, opacity;
}

.particle.exploding {
    animation: particleExplode var(--particle-duration, 800ms) ease-out forwards;
}

@keyframes particleExplode {
    0% {
        transform: translate(0, 0) scale(1);
        opacity: 1;
    }

    50% {
        opacity: 0.8;
    }

    100% {
        transform: translate(var(--tx), var(--ty)) scale(0);
        opacity: 0;
    }
}

/* Sparkle variation */
.particle.sparkle {
    animation: sparkleExplode var(--particle-duration, 800ms) ease-out forwards;
}

@keyframes sparkleExplode {
    0% {
        transform: translate(0, 0) scale(1) rotate(0deg);
        opacity: 1;
    }

    100% {
        transform: translate(var(--tx), var(--ty)) scale(0) rotate(180deg);
        opacity: 0;
    }
}

/* ============================================
   SHARE SECTION
   ============================================ */

.share-section {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.share-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

/* Accuracy Message */
.accuracy-message {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1) 0%, rgba(0, 168, 136, 0.05) 100%);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 212, 170, 0.2);
}

.accuracy-message p {
    font-size: 0.95rem;
    color: var(--color-text-primary);
    margin: 0;
}

.accuracy-message strong {
    color: var(--color-accent);
    font-size: 1.1rem;
}

/* Copy Button */
.btn-copy {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: var(--color-bg-primary);
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-copy:hover {
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

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

.btn-copy.copied {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

/* Share Hint */
.share-hint {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.share-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
}


.share-btn {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    background: transparent;
    color: var(--color-text-secondary);
    position: relative;
}

.share-btn svg {
    width: 24px;
    height: 24px;
    transition: transform var(--transition-fast);
}

.share-btn:hover {
    transform: translateY(-3px);
    border-color: transparent;
}

.share-btn:hover svg {
    transform: scale(1.1);
}

/* WhatsApp */
.share-btn.share-whatsapp:hover {
    background: #25D366;
    color: white;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
}

/* LinkedIn */
.share-btn.share-linkedin:hover {
    background: #0077B5;
    color: white;
    box-shadow: 0 4px 20px rgba(0, 119, 181, 0.4);
}

/* Instagram */
.share-btn.share-instagram:hover {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(225, 48, 108, 0.4);
}

/* Tooltip for copied message */
.share-btn.copied::after {
    content: 'Copied!';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 8px;
    background: var(--color-accent);
    color: var(--color-bg-primary);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    animation: fadeInOut 2s ease forwards;
}

@keyframes fadeInOut {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateY(5px);
    }

    15% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }

    85% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }

    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Card particle burst effect */
.card.bursting {
    animation: cardBurst 400ms ease-out forwards;
}

@keyframes cardBurst {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }

    100% {
        transform: scale(0.8);
        opacity: 0;
    }
}

/* Copyable Content Wrapper - styles for the area copied to clipboard */
.copyable-content {
    background: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
}

/* Game Instructions - swipe instructions on the game screen */
.game-instructions {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

/* Change Case Button in Game Screen */
.btn-change-case {
    display: block;
    margin: var(--spacing-lg) auto 0;
    padding: var(--spacing-md) var(--spacing-xl);
    min-width: 180px;
}

@media (max-width: 600px) {
    .game-instructions {
        gap: var(--spacing-sm);
    }

    .game-instructions .instruction-item {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.85rem;
    }

    .game-instructions .swipe-indicator {
        width: 36px;
        height: 36px;
        font-size: 1.2rem;
    }
}

/* Footer Info */
.footer-info {
    margin-top: auto;
    padding-top: 2rem;
    padding-bottom: 2rem;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    text-align: center;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}

@media (max-width: 480px) {
    .footer-info {
        font-size: 0.75rem;
        padding-left: 1rem;
        padding-right: 1rem;
    }
}