:root {
    --bg-color: #111;
    --text-color: #fff;
    --primary-color: #e52521;
    --secondary-color: #fce205;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Press Start 2P', cursive;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

#game-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    border: none;
    box-shadow: none;
    image-rendering: pixelated;
    display: flex;
    justify-content: center;
    align-items: center;
}

canvas {
    display: block;
    background-color: #87CEEB;
    width: 100%;
    height: 100%;
    /* Opcional: para mantener la proporción sin deformar usar object-fit: contain, 
       pero para rellenar toda la pantalla obligatoriamente dejamos que se estire */
}

/* Soporte para Pantalla Completa nativa */
:fullscreen #game-container,
:-webkit-full-screen #game-container,
:-moz-full-screen #game-container {
    width: 100%;
    height: 100%;
    object-fit: fill;
}

#ui-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5); 
    backdrop-filter: blur(2px); 
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    pointer-events: auto;
}

#start-screen {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.7)), url('cover_art.png') no-repeat center center / cover;
}

.hidden {
    display: none !important;
}

.start-content-container {
    display: flex;
    flex-direction: row;
    gap: 40px;
    justify-content: center;
    align-items: center;
    width: 95%;
    max-width: 1200px;
}

.start-col-left {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(0,0,0,0.8);
    padding: 30px;
    border-radius: 15px;
    border: 2px solid var(--secondary-color);
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

.start-col-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.start-panel {
    background: rgba(0,0,0,0.7);
    padding: 20px;
    border: 2px solid var(--secondary-color);
    border-radius: 10px;
    margin-bottom: 20px;
    width: 100%;
    box-sizing: border-box;
    text-align: left;
}

h1 {
    color: var(--secondary-color);
    text-shadow: 4px 4px 0 var(--primary-color);
    font-size: 50px;
    margin-bottom: 10px;
    line-height: 1.5;
}

p {
    font-size: 20px;
    margin-bottom: 30px;
    color: #fff;
    text-shadow: 2px 2px 0 #000;
}

input {
    font-family: 'Press Start 2P', cursive;
    font-size: 20px;
    padding: 20px;
    margin-bottom: 20px;
    border: 4px solid var(--text-color);
    background: #000;
    color: var(--secondary-color);
    text-align: center;
    text-transform: uppercase;
    width: 100%;
    max-width: 400px;
    box-sizing: border-box;
}

input:focus {
    outline: none;
    border-color: var(--secondary-color);
}

button {
    font-family: 'Press Start 2P', cursive;
    font-size: 16px;
    padding: 15px 30px;
    border: 4px solid var(--text-color);
    background: var(--primary-color);
    color: var(--text-color);
    cursor: pointer;
    transition: transform 0.1s, background 0.2s;
}

button:hover {
    background: var(--secondary-color);
    color: #000;
    transform: scale(1.05);
}

button:active {
    transform: scale(0.95);
}

.char-card {
    border: 3px solid #555;
    background: rgba(0,0,0,0.5);
    padding: 15px;
    cursor: pointer;
    border-radius: 10px;
    transition: all 0.2s;
    color: #888;
    width: 120px;
}

.char-card.selected {
    border-color: var(--secondary-color);
    background: rgba(255, 255, 0, 0.2);
    color: var(--text-color);
    transform: scale(1.1);
}

.char-card:hover:not(.selected) {
    background: rgba(255, 255, 255, 0.1);
    color: #ccc;
}

.diff-card {
    border: 3px solid #555;
    background: rgba(0,0,0,0.5);
    padding: 20px;
    cursor: pointer;
    border-radius: 10px;
    transition: all 0.2s;
    color: #888;
    width: 150px;
    font-size: 14px;
}

.diff-card.selected {
    border-color: var(--secondary-color);
    background: rgba(255, 255, 0, 0.2);
    color: var(--text-color);
    transform: scale(1.1);
}

.diff-card:hover:not(.selected) {
    background: rgba(255, 255, 255, 0.1);
    color: #ccc;
}

#admin-screen input[type="text"] {
    padding: 10px;
    font-family: 'Press Start 2P', cursive;
    font-size: 10px;
    border: 2px solid #555;
    background: #111;
    color: #fff;
    border-radius: 5px;
}
#admin-screen input[type="radio"] {
    transform: scale(1.5);
    cursor: pointer;
}
.admin-list-item {
    background: rgba(255,255,255,0.1);
    padding: 10px;
    margin-bottom: 5px;
    border-left: 3px solid var(--secondary-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.btn-delete-q {
    background: #c0392b;
    border: none;
    color: #fff;
    padding: 5px 10px;
    cursor: pointer;
    font-family: 'Press Start 2P', cursive;
    font-size: 8px;
    border-radius: 3px;
}
.btn-delete-q:hover {
    background: #e74c3c;
    transform: scale(1.1);
}

#hud {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    font-size: 16px;
    text-shadow: 2px 2px 0 #000;
}

#inventory-panel {
    position: absolute;
    top: 60px;
    right: 20px;
    width: 150px;
    background: rgba(0, 0, 0, 0.6);
    border: 2px solid var(--secondary-color);
    padding: 10px;
    box-sizing: border-box;
    pointer-events: auto;
}

.inv-title {
    color: var(--secondary-color);
    font-size: 12px;
    text-align: center;
    margin-bottom: 10px;
    text-shadow: 1px 1px 0 #000;
}

#inventory-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.inv-item {
    background: rgba(255, 255, 255, 0.1);
    border: 1px dashed var(--text-color);
    padding: 10px 5px;
    font-size: 10px;
    text-align: center;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

#leaderboard {
    margin: 20px 0;
    width: 80%;
    max-width: 500px;
    background: rgba(0,0,0,0.5);
    padding: 20px;
    border: 2px solid var(--secondary-color);
}

#leaderboard h2 {
    color: var(--secondary-color);
    font-size: 20px;
    margin-bottom: 20px;
}

#leaderboard-list {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
    font-size: 12px;
    line-height: 2;
}

#leaderboard-list li {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px dashed #555;
    padding: 5px 0;
}

#leaderboard-list li span.rank {
    color: var(--secondary-color);
    margin-right: 10px;
}

.option-btn {
    background: transparent;
    color: #fff;
    border: 2px dashed #fff;
    padding: 10px;
    font-size: 12px;
    text-align: center;
    white-space: normal;
    line-height: 1.5;
    transition: all 0.2s;
    cursor: pointer;
    font-family: 'Press Start 2P', cursive;
}

.option-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    transform: scale(1.02);
}

#question-screen {
    background-color: transparent;
    backdrop-filter: none;
    justify-content: flex-start;
    padding-top: 60px;
}

#question-screen h2 {
    color: #fff;
    text-shadow: none;
    margin-bottom: 20px;
}

#question-screen p#q-text {
    color: #fff;
    text-shadow: none;
}

/* Mobile Controls */
#mobile-controls {
    position: absolute;
    bottom: 20px;
    left: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
    z-index: 100;
}

#mobile-controls .d-pad, #mobile-controls .action-buttons {
    display: flex;
    gap: 15px;
    pointer-events: auto;
}

#mobile-controls button {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.6);
    color: white;
    font-size: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
    user-select: none;
    -webkit-user-select: none;
    touch-action: none; /* Previene zoom en doble tap */
}

#mobile-controls button:active {
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0.9);
}

/* Media query para adaptar pantalla en móviles */
@media (max-width: 1024px) {
    #game-container {
        width: 100vw;
        height: 100vh;
        border: none;
    }
    canvas {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    /* Mostrar controles táctiles solo si es un dispositivo pequeño (móvil) */
    /* En main.js validaremos touch support también para mostrarlo */
}