/* Pi Browser Card Game - Main Styles */

:root {
    /* Pi Network brand colors */
    --pi-primary: #7B3FE4;
    --pi-secondary: #FFC107;
    --pi-dark: #1a1a2e;
    --pi-darker: #0f0f1a;
    --pi-light: #f5f5f5;
    
    /* Game colors */
    --strength-color: #e74c3c;
    --agility-color: #3498db;
    --defense-color: #2ecc71;
    
    /* UI colors */
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --info: #3498db;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, var(--pi-darker) 0%, var(--pi-dark) 100%);
    color: var(--pi-light);
    min-height: 100vh;
    line-height: 1.5;
}

/* Container */
.container {
    max-width: 480px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

/* Header */
.header {
    text-align: center;
    padding: var(--spacing-lg) 0;
}

.header h1 {
    font-size: 1.75rem;
    color: var(--pi-secondary);
    margin-bottom: var(--spacing-xs);
}

.header .subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    gap: var(--spacing-sm);
}

.btn:active {
    transform: scale(0.98);
}

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

.btn-primary:hover {
    background: #6a35c7;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

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

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

.btn-block {
    width: 100%;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Cards */
.card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--pi-secondary);
}

/* Game Card Component */
.game-card {
    background: linear-gradient(145deg, #2a2a4a 0%, #1a1a2e 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    border: 2px solid var(--pi-primary);
    position: relative;
    min-width: 140px;
    box-shadow: 0 4px 15px rgba(123, 63, 228, 0.3);
}

.game-card.opponent {
    border-color: var(--danger);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

.game-card .card-name {
    font-weight: 700;
    font-size: 0.9rem;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.game-card .stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.game-card .stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    background: rgba(0, 0, 0, 0.2);
}

.game-card .stat-strength {
    color: var(--strength-color);
}

.game-card .stat-agility {
    color: var(--agility-color);
}

.game-card .stat-defense {
    color: var(--defense-color);
}

.game-card .stat-value {
    font-weight: 700;
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.form-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    font-size: 1rem;
    transition: border-color 0.2s;
}

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

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

/* Input range sliders */
input[type="range"] {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.2);
    -webkit-appearance: none;
    appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--pi-primary);
    cursor: pointer;
}

/* Lists */
.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.list-item:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* Status badges */
.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-waiting {
    background: var(--warning);
    color: black;
}

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

.badge-your-turn {
    background: var(--pi-primary);
    color: white;
    animation: pulse 2s infinite;
}

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

/* Loading spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--pi-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: var(--spacing-xl) auto;
}

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

/* Alerts */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.alert-error {
    background: rgba(231, 76, 60, 0.2);
    border: 1px solid var(--danger);
    color: #ff6b6b;
}

.alert-success {
    background: rgba(46, 204, 113, 0.2);
    border: 1px solid var(--success);
    color: #6bff9f;
}

.alert-info {
    background: rgba(52, 152, 219, 0.2);
    border: 1px solid var(--info);
    color: #6bb3ff;
}

/* Navigation */
.nav {
    display: flex;
    justify-content: space-around;
    background: rgba(0, 0, 0, 0.3);
    padding: var(--spacing-sm);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.nav-link {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    transition: all 0.2s;
}

.nav-link:hover,
.nav-link.active {
    color: white;
    background: var(--pi-primary);
}

/* Battle area */
.battle-area {
    display: flex;
    justify-content: space-around;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl) 0;
}

.vs-badge {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--pi-secondary);
    text-shadow: 0 0 10px rgba(255, 193, 7, 0.5);
}

/* Score display */
.score-display {
    display: flex;
    justify-content: space-around;
    text-align: center;
    margin: var(--spacing-lg) 0;
}

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

.score-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--pi-secondary);
}

.score-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Pool display for deck building */
.pool-display {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.pool-item {
    text-align: center;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    background: rgba(0, 0, 0, 0.2);
}

.pool-item.over-limit {
    background: rgba(231, 76, 60, 0.3);
    border: 1px solid var(--danger);
}

.pool-value {
    font-size: 1.25rem;
    font-weight: 700;
}

.pool-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Deck grid */
.deck-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

/* Mini card for deck list */
.mini-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: all 0.2s;
}

.mini-card:hover,
.mini-card.selected {
    border-color: var(--pi-primary);
    background: rgba(123, 63, 228, 0.2);
}

.mini-card .name {
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: var(--spacing-xs);
}

.mini-card .mini-stats {
    display: flex;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-md);
}

.modal {
    background: var(--pi-dark);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    max-width: 400px;
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

/* Hide on load */
.hidden {
    display: none !important;
}

/* Utility classes */
.text-center { text-align: center; }
.text-muted { color: rgba(255, 255, 255, 0.6); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* Win/Loss animation */
.result-win {
    color: var(--success);
    animation: winPulse 0.5s ease;
}

.result-lose {
    color: var(--danger);
}

@keyframes winPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}