/* Arena Brawler - Neon arcade / cyberpunk arena */
:root {
    --bg: #0a0a0f;
    --bg-panel: #12121a;
    --bg-card: #1a1a24;
    --accent-cyan: #00f5d4;
    --accent-magenta: #f72585;
    --accent-gold: #ffd60a;
    --text: #e8e8ec;
    --text-dim: #6b6b7a;
    --border: rgba(0, 245, 212, 0.2);
    --glow-cyan: 0 0 20px rgba(0, 245, 212, 0.4);
    --glow-magenta: 0 0 20px rgba(247, 37, 133, 0.4);
}

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

body {
    background: var(--bg);
    font-family: 'JetBrains Mono', monospace;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: var(--text);
}

#game-container {
    position: relative;
    width: 900px;
    height: 600px;
    border: 2px solid var(--accent-cyan);
    border-radius: 2px;
    overflow: hidden;
    box-shadow: var(--glow-cyan), inset 0 0 60px rgba(0, 245, 212, 0.03);
    background: 
        linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.4) 100%),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 40px,
            rgba(0, 245, 212, 0.03) 40px,
            rgba(0, 245, 212, 0.03) 41px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 40px,
            rgba(0, 245, 212, 0.03) 40px,
            rgba(0, 245, 212, 0.03) 41px
        ),
        var(--bg);
}

/* Screens */
.screen {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.screen.hidden {
    display: none;
}

/* Main Menu */
.menu-content {
    text-align: center;
    padding: 2rem;
}

.title {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.2rem;
    font-weight: 900;
    letter-spacing: 0.2em;
    color: var(--accent-cyan);
    text-shadow: var(--glow-cyan);
    margin-bottom: 0.25rem;
}

.tagline {
    font-size: 0.9rem;
    color: var(--text-dim);
    margin-bottom: 2rem;
    letter-spacing: 0.1em;
}

.menu-stats {
    font-size: 1.2rem;
    color: var(--accent-gold);
    margin-bottom: 2rem;
}

.gold-label {
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    color: var(--text-dim);
}

.menu-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 200px;
    margin: 0 auto 1.5rem;
}

.hint {
    font-size: 0.75rem;
    color: var(--text-dim);
    letter-spacing: 0.05em;
}

/* Buttons */
.btn {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    padding: 14px 24px;
    border: 2px solid;
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.15s;
}

.btn-fight {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    color: var(--bg);
}

.btn-fight:hover {
    box-shadow: var(--glow-cyan);
    transform: translateY(-2px);
}

.btn-shop {
    background: transparent;
    border-color: var(--accent-magenta);
    color: var(--accent-magenta);
}

.btn-shop:hover {
    background: rgba(247, 37, 133, 0.15);
    box-shadow: var(--glow-magenta);
}

/* Shop */
.shop-content {
    width: 100%;
    max-width: 720px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    padding: 1.5rem;
}

.shop-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 1rem;
}

.shop-header h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    letter-spacing: 0.2em;
    color: var(--accent-cyan);
}

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

.btn-back {
    font-family: 'JetBrains Mono', monospace;
    background: transparent;
    border: 1px solid var(--text-dim);
    color: var(--text-dim);
    padding: 8px 14px;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
}

.btn-back:hover {
    color: var(--text);
    border-color: var(--text);
}

.shop-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 1rem;
}

.shop-tab {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    padding: 8px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-dim);
    cursor: pointer;
    transition: all 0.15s;
}

.shop-tab:hover,
.shop-tab.active {
    background: rgba(0, 245, 212, 0.1);
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
}

.shop-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
}

.shop-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.shop-item.owned {
    border-color: var(--accent-cyan);
    background: rgba(0, 245, 212, 0.05);
}

.shop-item.equipped {
    border-color: var(--accent-gold);
    box-shadow: 0 0 12px rgba(255, 214, 10, 0.2);
}

.shop-item-emoji {
    font-size: 2rem;
    text-align: center;
}

.shop-item-name {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.shop-item-desc {
    font-size: 0.75rem;
    color: var(--text-dim);
}

.shop-item-price {
    font-weight: 600;
    color: var(--accent-gold);
}

.shop-item-btn {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    padding: 8px;
    background: var(--accent-cyan);
    border: none;
    color: var(--bg);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.1s;
}

.shop-item-btn:hover:not(:disabled) {
    box-shadow: var(--glow-cyan);
}

.shop-empty {
    color: var(--text-dim);
    font-size: 0.9rem;
    padding: 2rem;
    text-align: center;
}

.shop-item-btn:disabled {
    background: var(--bg);
    color: var(--text-dim);
    cursor: not-allowed;
}

/* Combat Arena */
#combatScreen {
    background: transparent;
}

#damageNumbers {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.dmg-pop {
    position: absolute;
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-magenta);
    text-shadow: var(--glow-magenta);
    animation: dmgFloat 0.8s ease-out forwards;
}

.dmg-pop.heal {
    color: var(--accent-cyan);
    text-shadow: var(--glow-cyan);
}

@keyframes dmgFloat {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-50px) scale(1.2);
    }
}

.arena {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: 100%;
    padding: 40px;
}

.fighter {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px 32px;
    background: var(--bg-panel);
    border: 2px solid var(--border);
    min-width: 180px;
}

.fighter.player {
    border-color: rgba(0, 245, 212, 0.4);
}

.fighter.enemy {
    border-color: rgba(247, 37, 133, 0.4);
}

.fighter-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.fighter-emoji {
    font-size: 4rem;
}

.pet-badge {
    font-size: 1.5rem;
    padding: 4px 8px;
    background: rgba(0, 245, 212, 0.2);
    border-radius: 4px;
}

.pet-badge.hidden {
    display: none;
}

.fighter-label {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.1em;
}

.hp-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.hp-bar {
    width: 120px;
    height: 10px;
    background: rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.hp-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-cyan), #00c4a7);
    transition: width 0.2s ease;
}

.hp-fill.enemy-hp {
    background: linear-gradient(90deg, var(--accent-magenta), #c41e6e);
}

.hp-wrap span {
    font-size: 0.8rem;
    color: var(--text-dim);
}

.vs-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.btn-attack {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    padding: 18px 48px;
    background: var(--accent-cyan);
    border: 2px solid var(--accent-cyan);
    color: var(--bg);
    cursor: pointer;
    transition: all 0.15s;
}

.btn-attack:hover {
    box-shadow: var(--glow-cyan);
    transform: scale(1.05);
}

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

.hit-info {
    font-size: 0.75rem;
    color: var(--text-dim);
}

/* Modals */
.modal {
    text-align: center;
    padding: 2rem;
    background: var(--bg-panel);
    border: 2px solid var(--border);
}

.modal h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    letter-spacing: 0.2em;
    color: var(--accent-cyan);
    margin-bottom: 1rem;
}

.modal h2.defeat {
    color: var(--accent-magenta);
}

.modal p {
    margin-bottom: 0.5rem;
}

.gold-earned {
    font-size: 1.2rem;
    color: var(--accent-gold);
    margin-bottom: 1rem;
}

.modal-btns {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}