:root {
    --accent: #b45309; 
    --highlight: #fbbf24; 
    --bg-dark: #0f172a; 
    --panel-bg: rgba(30, 20, 10, 0.85); 
    --gold: #f59e0b;
    --border-color: #78350f;
    --text-main: #fef3c7;
    --gem-slot: #1a120b;
    --success: #2ecc71;
    --danger: #e74c3c;
}

* { box-sizing: border-box; scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: url('https://shared.fastly.steamstatic.com/store_item_assets/steam/apps/4135880/1473f782584bd8a8a732dbb0a78e0b9672f26a3d/ss_1473f782584bd8a8a732dbb0a78e0b9672f26a3d.jpg?t=1777940920') no-repeat center center fixed;
    background-size: cover;
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    padding-bottom: 50px; 
    position: relative;
}

.title {
    width: 100%;
    text-align: center;
    padding: 20px 10px;
    background: linear-gradient(to bottom, rgba(15,23,42,0.95), rgba(15,23,42,0.7));
    border-bottom: 3px solid var(--accent);
    box-shadow: 0 4px 20px rgba(0,0,0,0.6);
    position: relative;
}
.title h1 {
    margin: 0;
    font-size: 2.5rem;
    color: var(--highlight);
    text-shadow: 2px 2px 4px #000;
    letter-spacing: 2px;
}
.title p {
    margin: 5px 0 0 0;
    font-style: italic;
    color: #94a3b8;
}

/* Language Selection Menu Row Styles */
.lang-selector-container {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 8px;
    z-index: 100;
}
.lang-btn {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 6px 12px;
    font-size: 0.85rem;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
}
.lang-btn:hover {
    border-color: var(--highlight);
    background: var(--accent);
    color: #fff;
}
.lang-btn.active {
    background: var(--highlight);
    border-color: var(--highlight);
    color: #000;
}

.nav-container {
    display: flex;
    gap: 15px;
    margin: 20px 0;
    flex-wrap: wrap;
    justify-content: center;
}
.nav-btn {
    background: linear-gradient(to bottom, #9a3412, #78350f);
    border: 2px solid var(--highlight);
    color: var(--text-main);
    padding: 10px 20px;
    font-size: 0.95rem;
    font-weight: bold;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    transition: all 0.2s ease;
}
.nav-btn:hover {
    background: var(--highlight);
    color: #000;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(251,191,36,0.3);
}

.main-wrapper {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 20px;
    width: 90%;
    max-width: 1200px;
    margin-top: 10px;
}

.panel {
    background: var(--panel-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    backdrop-filter: blur(8px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}

.arena-header {
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.timer-display {
    font-size: 2rem;
    font-family: monospace;
    color: var(--highlight);
    font-weight: bold;
    transition: color 0.3s ease;
}

.combat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 25px;
}

.combat-card {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.combat-card.enemy {
    border-color: var(--danger);
    background: rgba(231, 76, 60, 0.05);
}
.combat-card.player {
    border-color: var(--success);
    background: rgba(46, 204, 113, 0.05);
}

.card-title {
    font-size: 1.2rem;
    font-weight: bold;
    letter-spacing: 1px;
    margin-bottom: 15px;
}
.player .card-title { color: var(--success); }
.enemy .card-title { color: var(--danger); }

.hp-bar-container {
    width: 100%;
    height: 12px;
    background: #1e293b;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin: 10px 0;
    overflow: hidden;
}

.hp-bar-fill {
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, #e74c3c, #ff7675);
    transition: width 0.3s ease;
}

.gear-display-box {
    background: var(--gem-slot);
    border: 1px solid var(--border-color);
    padding: 15px;
    margin: 10px 0;
    border-radius: 6px;
    font-size: 1.1rem;
    min-height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    transition: all 0.2s ease;
    flex-direction: column;
}

.gear-display-box img {
    height: 40px;
    margin-bottom: 5px;
}

.gear-display-box.pulse-gold {
    border-color: var(--highlight);
    box-shadow: inset 0 0 15px rgba(245, 158, 11, 0.2);
    color: var(--highlight);
}

.action-group-title {
    font-size: 0.9rem;
    color: var(--highlight);
    text-transform: uppercase;
    margin: 15px 0 5px 0;
    letter-spacing: 1px;
}

.selection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 10px;
    margin-bottom: 15px;
}

.gear-btn {
    background: linear-gradient(to bottom, #1e293b, #0f172a);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 12px 8px;
    font-size: 0.85rem;
    font-weight: bold;
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    transition: all 0.1s ease;
    transform: translateY(0);
}
.gear-btn:hover {
    border-color: var(--highlight);
    background: #334155;
}
.gear-btn:active {
    transform: translateY(2px);
    filter: brightness(0.8);
}
.gear-btn.active {
    background: linear-gradient(to bottom, var(--accent), #78350f);
    border-color: var(--highlight);
    box-shadow: 0 0 15px rgba(180, 83, 9, 0.5), inset 0 0 5px rgba(251, 191, 36, 0.3);
    color: #fff;
}

.hotkey-badge {
    position: absolute;
    bottom: 2px;
    right: 4px;
    font-size: 0.65rem;
    background: rgba(0,0,0,0.6);
    color: var(--highlight);
    padding: 1px 4px;
    border-radius: 3px;
    border: 1px solid rgba(251,191,36,0.3);
}

.action-btn {
    width: 100%;
    padding: 15px;
    font-size: 1.2rem;
    font-weight: bold;
    background: linear-gradient(to bottom, #2ecc71, #27ae60);
    border: 2px solid #27ae60;
    color: white;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.2);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.2s ease;
}
.action-btn:hover {
    filter: brightness(1.1);
    box-shadow: 0 6px 20px rgba(46, 204, 113, 0.4);
}
.action-btn:active {
    transform: scale(0.98);
}
.action-btn:disabled {
    background: #475569;
    border-color: #334155;
    color: #94a3b8;
    cursor: not-allowed;
    box-shadow: none;
}

.feedback-box {
    margin-top: 15px;
    padding: 12px;
    border-radius: 6px;
    text-align: center;
    font-weight: bold;
    display: none;
    transition: all 0.4s ease;
}
.feedback-box.win { display: block; background: rgba(46, 204, 113, 0.2); border: 1px solid var(--success); color: #87e8ab; }
.feedback-box.lose { display: block; background: rgba(231, 76, 60, 0.2); border: 1px solid var(--danger); color: #f19086; }

.round-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.5);
    background: rgba(15, 23, 42, 0.95);
    border: 3px solid var(--highlight);
    border-radius: 12px;
    padding: 30px 50px;
    text-align: center;
    z-index: 9999;
    box-shadow: 0 0 50px rgba(0,0,0,0.9), 0 0 20px var(--highlight);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.round-popup.show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}
.round-popup h2 {
    margin: 0;
    font-size: 2.5rem;
    color: var(--success);
    text-shadow: 0 2px 10px rgba(46, 204, 113, 0.4);
}
.round-popup p {
    margin: 10px 0 0 0;
    color: var(--text-main);
    font-size: 1.2rem;
}
.popup-countdown {
    margin-top: 15px !important;
    font-family: monospace;
    font-size: 1.5rem !important;
    color: var(--highlight);
    font-weight: bold;
}

.side-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.leaderboard-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}
.leaderboard-table th, .leaderboard-table td {
    padding: 8px;
    text-align: left;
    border-bottom: 1px solid rgba(120,53,15,0.4);
}
.leaderboard-table th {
    color: var(--highlight);
    font-size: 0.9rem;
}
.leaderboard-table tr:nth-child(even) {
    background: rgba(255,255,255,0.03);
}

.mapping-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 0.9rem;
}
.mapping-input {
    width: 50px;
    background: #0f172a;
    border: 1px solid var(--border-color);
    color: var(--highlight);
    text-align: center;
    padding: 4px;
    border-radius: 4px;
    font-weight: bold;
    text-transform: uppercase;
    transition: border-color 0.2s;
}
.mapping-input:focus {
    outline: none;
    border-color: var(--highlight);
    background: #1e293b;
}

.guide-list {
    margin: 0;
    padding-left: 20px;
    font-size: 0.85rem;
    line-height: 1.5;
}
.guide-list li {
    margin-bottom: 6px;
}

@media (max-width: 900px) {
    .main-wrapper {
        grid-template-columns: 1fr;
        width: 95%;
    }
    .lang-selector-container {
        position: static;
        margin: 10px auto;
        justify-content: center;
    }
}
@media (max-width: 500px) {
    .combat-grid {
        grid-template-columns: 1fr;
    }
    .title h1 {
        font-size: 1.8rem;
    }
}