/* ===== VARIABLES CSS ===== */
:root {
    --primary-blue: #001a2e;
    --secondary-blue: #004080;
    --accent-gold: #ffd700;
    --accent-orange: #ff8c00;
    --success-green: #27ae60;
    --error-red: #e74c3c;
    --dark-blue: #00274d;
    --light-blue: #87ceeb;
    --white: #ffffff;
    --gray-light: #f8f9fa;
    --gray-medium: #6c757d;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.3);
    --shadow-heavy: rgba(0, 0, 0, 0.5);
    --gradient-ocean: linear-gradient(135deg, #001a2e 0%, #004080 50%, #0066cc 100%);
    --gradient-treasure: linear-gradient(45deg, #ffd700 0%, #ff8c00 100%);
    --gradient-success: linear-gradient(45deg, #27ae60 0%, #2ecc71 100%);
    --gradient-error: linear-gradient(45deg, #e74c3c 0%, #c0392b 100%);
}

/* ===== RESET Y BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
    background: var(--gradient-ocean);
    color: var(--white);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* ===== PARTÍCULAS DE FONDO ===== */
#particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

#particles-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255, 215, 0, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(135, 206, 235, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 140, 0, 0.2) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-10px) rotate(1deg); }
    66% { transform: translateY(5px) rotate(-1deg); }
}

/* ===== HEADER DEL JUEGO ===== */
.game-header {
    background: linear-gradient(135deg, rgba(0, 26, 46, 0.9) 0%, rgba(0, 64, 128, 0.9) 100%);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    border-bottom: 3px solid var(--accent-gold);
    box-shadow: 0 4px 20px var(--shadow-medium);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo-section {
    text-align: center;
}

.treasure-icon {
    font-size: 3rem;
    color: var(--accent-gold);
    margin-bottom: 10px;
    animation: treasure-glow 3s ease-in-out infinite;
    filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.5));
}

@keyframes treasure-glow {
    0%, 100% { transform: scale(1) rotate(0deg); filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.5)); }
    50% { transform: scale(1.1) rotate(5deg); filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.8)); }
}

.game-title {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-treasure);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0;
    text-shadow: 2px 2px 4px var(--shadow-medium);
}

.game-subtitle {
    font-size: 1rem;
    color: var(--light-blue);
    margin-top: 5px;
    font-style: italic;
}

/* ===== SISTEMA DE INSIGNIAS ===== */
.achievements-bar {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.achievement-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    cursor: pointer;
    min-width: 80px;
    opacity: 0.5;
}

.achievement-badge i {
    font-size: 1.5rem;
    margin-bottom: 5px;
    color: var(--gray-medium);
    transition: all 0.3s ease;
}

.achievement-badge span {
    font-size: 0.7rem;
    text-align: center;
    color: var(--gray-medium);
    transition: all 0.3s ease;
}

.achievement-badge.unlocked {
    opacity: 1;
    background: var(--gradient-treasure);
    border-color: var(--accent-gold);
    animation: badge-unlock 0.6s ease-out;
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

.achievement-badge.unlocked i,
.achievement-badge.unlocked span {
    color: var(--primary-blue);
    font-weight: bold;
}

@keyframes badge-unlock {
    0% { transform: scale(0.5) rotate(-180deg); opacity: 0; }
    50% { transform: scale(1.2) rotate(10deg); }
    100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

.achievement-badge:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px var(--shadow-medium);
}

/* ===== CONTROLES DEL JUEGO ===== */
.game-controls {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.control-section {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.control-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--gradient-treasure);
    color: var(--primary-blue);
    border: none;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.control-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.5);
}

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

.game-stats {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
    min-width: 80px;
}

.stat-item i {
    font-size: 1.2rem;
    color: var(--accent-gold);
    margin-bottom: 5px;
}

.stat-item span {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--white);
}

.stat-item label {
    font-size: 0.8rem;
    color: var(--light-blue);
    margin-top: 2px;
}

/* ===== MARCADOR MEJORADO ===== */
.enhanced-scoreboard {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px var(--shadow-medium);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.player-panel {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    border-radius: 15px;
    transition: all 0.3s ease;
    min-width: 250px;
}

.player-panel.active {
    background: var(--gradient-success);
    box-shadow: 0 0 30px rgba(39, 174, 96, 0.5);
    transform: scale(1.05);
}

.player-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-treasure);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-blue);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.player-info {
    flex: 1;
}

.player-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--white);
}

.score-display {
    display: flex;
    align-items: baseline;
    gap: 5px;
    margin-bottom: 5px;
}

.score-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-gold);
    text-shadow: 2px 2px 4px var(--shadow-medium);
}

.score-label {
    font-size: 0.9rem;
    color: var(--light-blue);
}

.player-status {
    font-size: 0.9rem;
    color: var(--light-blue);
    margin-bottom: 5px;
}

.combo-indicator {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
    color: var(--accent-orange);
    opacity: 0;
    transition: all 0.3s ease;
}

.combo-indicator.active {
    opacity: 1;
    animation: combo-pulse 1s ease-in-out infinite;
}

@keyframes combo-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

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

.vs-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-gold);
    text-shadow: 2px 2px 4px var(--shadow-medium);
}

.turn-indicator {
    font-size: 1.5rem;
    color: var(--success-green);
    animation: arrow-bounce 1s ease-in-out infinite;
}

@keyframes arrow-bounce {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(10px); }
}

/* ===== TABLERO DE JUEGO ===== */
.game-board-container {
    max-width: 800px;
    margin: 30px auto;
    padding: 0 20px;
}

.board-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.board-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    color: var(--accent-gold);
    margin: 0;
}

.coordinates-info {
    font-size: 1rem;
    color: var(--light-blue);
}

.board-wrapper {
    position: relative;
    display: grid;
    grid-template-columns: 40px 1fr;
    grid-template-rows: 40px 1fr;
    gap: 5px;
    background: rgba(0, 0, 0, 0.3);
    padding: 10px;
    border-radius: 15px;
    box-shadow: inset 0 0 20px var(--shadow-medium);
}

.coordinates-top {
    grid-column: 2;
    grid-row: 1;
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 5px;
}

.coordinates-left {
    grid-column: 1;
    grid-row: 2;
    display: grid;
    grid-template-rows: repeat(10, 1fr);
    gap: 5px;
}

.coord-label {
    background: var(--gradient-treasure);
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    border-radius: 8px;
    font-size: 0.9rem;
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
}

.enhanced-board {
    grid-column: 2;
    grid-row: 2;
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 5px;
}

.cell {
    aspect-ratio: 1;
    background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
    overflow: hidden;
}

.cell::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.cell:hover::before {
    transform: translateX(100%);
}

.cell:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.4);
    border-color: var(--accent-gold);
}

.cell.hit {
    background: var(--gradient-success);
    border-color: var(--success-green);
    animation: hit-explosion 0.6s ease-out;
    box-shadow: 0 0 30px rgba(39, 174, 96, 0.6);
}

.cell.hit::after {
    content: '💎';
    font-size: 1.5rem;
    animation: treasure-found 1s ease-out;
}

@keyframes hit-explosion {
    0% { transform: scale(1); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); }
}

@keyframes treasure-found {
    0% { transform: scale(0) rotate(0deg); opacity: 0; }
    50% { transform: scale(1.5) rotate(180deg); opacity: 1; }
    100% { transform: scale(1) rotate(360deg); opacity: 1; }
}

.cell.miss {
    background: var(--gradient-error);
    border-color: var(--error-red);
    animation: miss-shake 0.5s ease-out;
    box-shadow: 0 0 20px rgba(231, 76, 60, 0.4);
}

.cell.miss::after {
    content: '❌';
    font-size: 1.2rem;
    animation: miss-appear 0.5s ease-out;
}

@keyframes miss-shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

@keyframes miss-appear {
    0% { transform: scale(0); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.cell.hit,
.cell.miss {
    cursor: not-allowed;
    pointer-events: none;
}

/* ===== MODAL MEJORADO ===== */
.enhanced-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.enhanced-modal .modal-content {
    position: relative;
    background: linear-gradient(135deg, var(--white) 0%, #f8f9fa 100%);
    margin: 5% auto;
    padding: 0;
    border: none;
    width: 90%;
    max-width: 600px;
    border-radius: 20px;
    box-shadow: 0 20px 60px var(--shadow-heavy);
    animation: modal-appear 0.4s ease-out;
    overflow: hidden;
}

@keyframes modal-appear {
    0% { transform: scale(0.7) translateY(-50px); opacity: 0; }
    100% { transform: scale(1) translateY(0); opacity: 1; }
}

.modal-header {
    background: var(--gradient-ocean);
    color: var(--white);
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.question-category {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    font-weight: 600;
}

.question-timer {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--accent-gold);
}

#timer-countdown {
    background: rgba(255, 215, 0, 0.2);
    padding: 5px 10px;
    border-radius: 15px;
    min-width: 40px;
    text-align: center;
}

.modal-body {
    padding: 30px;
    color: var(--primary-blue);
}

.question-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 20px;
    text-align: center;
    color: var(--dark-blue);
}

.image-container {
    margin: 20px 0;
    text-align: center;
}

.question-image {
    max-width: 100%;
    max-height: 300px;
    border-radius: 12px;
    box-shadow: 0 8px 25px var(--shadow-light);
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 25px;
}

.options-grid button {
    padding: 15px 20px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.options-grid button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.5);
    background: linear-gradient(135deg, #2980b9 0%, #3498db 100%);
}

.options-grid button:active {
    transform: translateY(-1px);
}

.modal-footer {
    background: var(--gray-light);
    padding: 15px 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    text-align: center;
}

.question-points {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--secondary-blue);
    font-weight: 600;
}

/* ===== NOTIFICACIONES ===== */
.notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.notification {
    padding: 15px 20px;
    border-radius: 12px;
    color: var(--white);
    font-weight: 600;
    box-shadow: 0 8px 25px var(--shadow-medium);
    animation: slide-in 0.4s ease-out;
    max-width: 300px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.notification.success {
    background: var(--gradient-success);
}

.notification.error {
    background: var(--gradient-error);
}

.notification.info {
    background: var(--gradient-treasure);
    color: var(--primary-blue);
}

@keyframes slide-in {
    0% { transform: translateX(100%); opacity: 0; }
    100% { transform: translateX(0); opacity: 1; }
}

.notification.slide-out {
    animation: slide-out 0.4s ease-out forwards;
}

@keyframes slide-out {
    0% { transform: translateX(0); opacity: 1; }
    100% { transform: translateX(100%); opacity: 0; }
}

/* ===== PANTALLA DE VICTORIA ===== */
.victory-screen {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.victory-content {
    background: var(--gradient-ocean);
    padding: 40px;
    border-radius: 25px;
    text-align: center;
    box-shadow: 0 20px 60px var(--shadow-heavy);
    border: 3px solid var(--accent-gold);
    max-width: 500px;
    width: 90%;
}

.victory-animation {
    font-size: 4rem;
    color: var(--accent-gold);
    margin-bottom: 20px;
    animation: victory-bounce 2s ease-in-out infinite;
}

@keyframes victory-bounce {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-20px) rotate(-5deg); }
    50% { transform: translateY(-10px) rotate(0deg); }
    75% { transform: translateY(-15px) rotate(5deg); }
}

.victory-title {
    font-size: 2.5rem;
    color: var(--accent-gold);
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px var(--shadow-medium);
}

.victory-message {
    font-size: 1.2rem;
    color: var(--light-blue);
    margin-bottom: 25px;
}

.final-stats {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 15px;
    margin-bottom: 25px;
    backdrop-filter: blur(5px);
}

.victory-btn {
    padding: 15px 30px;
    background: var(--gradient-treasure);
    color: var(--primary-blue);
    border: none;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 auto;
}

.victory-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.5);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .game-title {
        font-size: 2rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .achievements-bar {
        justify-content: center;
    }
    
    .game-controls {
        flex-direction: column;
        align-items: center;
    }
    
    .enhanced-scoreboard {
        flex-direction: column;
        gap: 20px;
        padding: 15px;
    }
    
    .vs-divider {
        order: 2;
        flex-direction: row;
        gap: 20px;
    }
    
    .enhanced-board {
        grid-template-columns: repeat(5, 1fr);
    }
    
    .coordinates-top {
        grid-template-columns: repeat(5, 1fr);
    }
    
    .coordinates-left {
        grid-template-rows: repeat(5, 1fr);
    }
    
    .enhanced-modal .modal-content {
        width: 95%;
        margin: 2% auto;
    }
    
    .options-grid {
        grid-template-columns: 1fr;
    }
    
    .notification-container {
        top: 10px;
        right: 10px;
        left: 10px;
    }
    
    .notification {
        max-width: none;
    }
}

@media (max-width: 480px) {
    .game-title {
        font-size: 1.5rem;
    }
    
    .treasure-icon {
        font-size: 2rem;
    }
    
    .player-panel {
        min-width: auto;
        flex-direction: column;
        text-align: center;
        padding: 10px;
    }
    
    .board-wrapper {
        grid-template-columns: 30px 1fr;
        grid-template-rows: 30px 1fr;
    }
    
    .coord-label {
        font-size: 0.7rem;
    }
    
    .control-btn {
        padding: 10px 15px;
        font-size: 0.9rem;
    }
    
    .stat-item {
        min-width: 60px;
        padding: 8px 10px;
    }
}

/* ===== ANIMACIONES ADICIONALES ===== */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(255, 215, 0, 0.5); }
    50% { box-shadow: 0 0 40px rgba(255, 215, 0, 0.8); }
}

/* ===== UTILIDADES ===== */
.hidden {
    display: none !important;
}

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

.bounce {
    animation: bounce 0.6s ease-in-out;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.pulse-animation {
    animation: pulse 1s ease-in-out infinite;
}

.glow-animation {
    animation: glow 2s ease-in-out infinite;
}