/* =======================================
   VARIÁVEIS GLOBAIS
   ======================================= */
:root {
    --primary-color: #b11010; /* Vermelho principal para ações e destaques */
    --primary-dark: #8c0d0d;
    --secondary-color: #303030; /* Cinza escuro para fundos de containers */
    --text-color: #f0f0f0;
    --background-color: #1e1e1e; /* Fundo principal */
    --win-color: #00b894; /* Verde para acerto/vitória */
    --lose-color: #d63031; /* Vermelho para erro/derrota */
    --easy-color: #55efc4;
    --medium-color: #ffeaa7;
    --hard-color: #fab1a0;

    /* Novas variáveis para o tema Sci-Fi */
    --font-elegant: 'Orbitron', sans-serif;
    --font-tech: 'Rajdhani', sans-serif;
    --tech-blue: #00e0ff; /* Azul ciano futurista */
    --grid-color: rgba(0, 224, 255, 0.1);
}

/* =======================================
   ESTILOS GLOBAIS E RESET
   ======================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body, html {
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #0f1c3f, #000000);
    color: #ffffff;
    height: 100%;
}

.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center; /* Centraliza horizontalmente */
    align-items: center;     /* Centraliza verticalmente */
    flex-direction: column;
    text-align: center;
    transition: opacity 0.5s ease;
    z-index: 10;
}

.hidden {
    display: none !important;
    opacity: 0;
}

/* Telas de Jogo e Contêineres Principais (Glassmorphism) */
.intro-container, .difficulty-container, .end-container, .main-container {
    background-color: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 20;
    width: 90%;
}

/* Telas de Introdução, Dificuldade e Fim (Mais Compactas) */
.intro-container, .difficulty-container, .end-container {
    max-width: 600px;
}

/* Contêiner Principal do Jogo (GAME-SCREEN) - CENTRALIZADO */
.main-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 900px; /* Largura máxima para centralização horizontal */
    box-sizing: border-box;
    /* REMOVIDO: height: 90vh; para permitir a centralização vertical */
}

h1 {
    font-size: 2.5em;
    font-weight: 700;
    color: #b11010;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

p {
    font-size: 1em;
    font-weight: 400;
    margin-bottom: 20px;
}

input[type="text"] {
    width: calc(100% - 40px);
    padding: 15px 20px;
    border: none;
    border-radius: 10px;
    background-color: rgba(0, 0, 0, 0.3);
    color: #f0f0f0;
    font-size: 1em;
    margin-bottom: 20px;
    outline: none;
    transition: all 0.3s ease;
}

input[type="text"]:focus {
    box-shadow: 0 0 15px rgba(131, 2, 2, 0.7);
    transform: scale(1.02);
}

button {
    background-color: #ff0000;
    color: #fff;
    border: none;
    padding: 15px 30px;
    font-size: 1.1em;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

button:hover {
    background-color: #bb1c1c;
    transform: translateY(-3px);
}

button:disabled {
    background-color: #555;
    cursor: not-allowed;
}

/* =======================================
   ESTILOS TELA INICIAL (MISTÉRIO CÓSMICO)
   ======================================= */

/* 1. Efeito de Campo Estelar e Grade (Fundo) */
.star-field {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Estrelas com sombra para parecerem luzes distantes */
    background: radial-gradient(2px 2px at 20% 30%, #fff, rgba(0,0,0,0)), 
                radial-gradient(2px 2px at 50% 10%, #fff, rgba(0,0,0,0)), 
                radial-gradient(3px 3px at 90% 40%, #fff, rgba(0,0,0,0)), 
                radial-gradient(1px 1px at 10% 80%, #fff, rgba(0,0,0,0));
    background-size: 200px 200px;
    opacity: 0.2;
    z-index: 1;
    animation: starScroll 100s linear infinite;
}

/* Animação de estrelas movendo-se lentamente */
@keyframes starScroll {
    from { background-position: 0 0; }
    to { background-position: 100% 100%; }
}

/* Adicionando uma grade sutil na tela */
#start-screen::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, var(--grid-color) 1px, transparent 1px),
                linear-gradient(to bottom, var(--grid-color) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 1;
    pointer-events: none;
    opacity: 0.1;
}

/* 2. Contêiner de Introdução (HUD) */
.intro-container {
    max-width: 600px;
    padding: 50px;
    border: 2px solid var(--tech-blue); /* Borda de energia */
    box-shadow: 0 0 40px rgba(0, 224, 255, 0.4); /* Brilho azul */
    animation: fadeIn 1.5s ease-out;
}

/* 3. Tipografia Elegante e Atual */
.elegant-title {
    font-family: var(--font-elegant); /* Fonte Sci-Fi impactante */
    font-size: 3em;
    color: var(--tech-blue);
    text-shadow: 0 0 10px var(--tech-blue), 0 0 5px rgba(255, 255, 255, 0.5);
    letter-spacing: 5px;
    margin-bottom: 25px;
}

p.description-text, 
.version-info {
    font-family: var(--font-tech); /* Fonte legível e tecnológica */
    color: #c9e6ff;
    font-size: 1.1em;
    line-height: 1.8;
}

/* 4. Ícone de Mistério/Satélite */
.intro-icon {
    font-size: 100px;
    color: var(--tech-blue);
    margin-bottom: 30px;
    animation: pulse 2s infinite, spin 10s linear infinite; /* Animação dupla */
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 5. Estilo do Input */
.input-group input[type="text"] {
    font-family: var(--font-tech);
    border: 1px solid var(--tech-blue);
    background-color: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 8px rgba(0, 224, 255, 0.3);
    padding: 18px 25px;
    font-size: 1.2em;
    letter-spacing: 1px;
    margin-bottom: 30px;
}

.input-group input[type="text"]:focus {
    border-color: #fff;
    box-shadow: 0 0 15px var(--tech-blue), 0 0 5px #fff;
}

/* 6. Estilo do Botão Principal */
#start-btn {
    background-color: var(--primary-color); 
    font-family: var(--font-tech);
    padding: 15px 40px;
    font-size: 1.2em;
    letter-spacing: 2px;
}

#start-btn:hover {
    background-color: var(--primary-dark);
    box-shadow: 0 0 15px var(--primary-color);
}

#start-btn i {
    margin-right: 10px;
}

#start-btn:disabled {
    background-color: #333;
    color: #888;
    box-shadow: none;
}

/* 7. Detalhe de Informação de Versão */
.version-info {
    position: absolute;
    bottom: 10px;
    right: 20px;
    font-size: 0.7em;
    opacity: 0.6;
}

/* =======================================
   TELA DE DIFICULDADE
   ======================================= */
.difficulty-subtitle {
    font-size: 0.9em;
    margin-top: -10px;
    margin-bottom: 30px;
    color: #aaa;
}

.difficulty-options {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.difficulty-card {
    flex: 1 1 250px;
    max-width: 300px;
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 15px;
    padding: 20px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.difficulty-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.card-icon {
    font-size: 40px;
    margin-bottom: 10px;
}

.card-icon.easy { color: #19ff04; }
.card-icon.medium { color: #ffeb3b; }
.card-icon.hard { color: #fc2626; }

/* =======================================
   TELA DE JOGO (GAME-SCREEN)
   ======================================= */
.game-screen {
    display: flex;
    flex-direction: column;
}

.score-sidebar {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 15px;
    border-radius: 10px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.score-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.1em;
}

#streak-score-item i.fa-fire {
    color: #ff8c00; 
}

.game-container {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
}

.game-header {
    margin-bottom: 20px;
}

/* --- RELÓGIO CIRCULAR --- */
.timer-container {
    width: 100px;
    height: 100px;
    margin: 20px auto;
    position: relative;
}

.circular-timer {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: conic-gradient(#b11010 0%, #303030 0%);
    transition: background 1s linear;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5), inset 0 0 10px rgba(0, 0, 0, 0.5); 
    border: 5px solid #1f2f51; 
}

.circular-timer #timer-display {
    font-size: 2.5em;
    font-weight: 700;
    color: #fff;
    position: absolute;
    background-color: #2b3b5c; 
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
    margin: 0;
    border: 2px solid #1a2744;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}

.circular-timer.danger {
    border-color: #ff0000;
    animation: pulse-timer 0.8s infinite alternate; 
}

@keyframes pulse-timer {
    from { box-shadow: 0 0 10px #ff0000; transform: scale(1); }
    to { box-shadow: 0 0 20px #ff0000; transform: scale(1.03); }
}

/* --- ESTILOS DE SEQUÊNCIA (STREAK) --- */
#streak-icon {
    position: absolute;
    top: -10px; 
    right: 10px; 
    font-size: 2em;
    color: #ff8c00;
    animation: bounce 0.5s ease-out;
    z-index: 25;
}

.streak-feedback {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3em;
    font-weight: 900;
    color: #ffd700;
    text-shadow: 0 0 20px #ff0000, 0 0 10px #ff8c00;
    opacity: 0;
    z-index: 50;
    pointer-events: none;
    animation: popUpAndFade 1.5s forwards;
}

@keyframes popUpAndFade {
    0% { transform: translate(-50%, 0) scale(0.5); opacity: 0; }
    20% { transform: translate(-50%, -20%) scale(1.1); opacity: 1; }
    80% { transform: translate(-50%, -20%) scale(1); opacity: 1; }
    100% { transform: translate(-50%, -40%) scale(0.9); opacity: 0; }
}

#dica-container {
    background-color: rgba(0, 0, 0, 0.3);
    padding: 20px;
    border-radius: 15px;
    min-height: 100px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    width: 100%;
    box-sizing: border-box;
}

#dica-progresso {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 15px;
}

.progresso-dot {
    width: 12px;
    height: 12px;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.progresso-dot.active {
    background-color: #f1b457;
    box-shadow: 0 0 10px #af4c4c;
}

.progresso-dot.used {
    background-color: #f44336;
}

#dica {
    font-size: 1.2em;
    text-align: center;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease;
}

#personagem-feedback {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 20px;
}

#personagem-imagem {
    max-width: 80%;
    max-height: 200px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
    transition: opacity 0.5s ease;
}

/* ESTILOS DE FEEDBACK (ACERTO/ERRO) */
#feedback-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 80px; 
    z-index: 50; 
    opacity: 0.9;
    animation: scaleIn 0.5s ease-out;
}

#feedback-icon.correct {
    color: #4CAF50;
    text-shadow: 0 0 15px rgba(76, 175, 80, 0.7);
}

#feedback-icon.incorrect {
    color: #f44336;
    text-shadow: 0 0 15px rgba(244, 67, 54, 0.7);
}

.controls {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 30px;
    width: 100%;
}

.controls button {
    width: 100%;
}

.controls input {
    width: calc(100% - 40px);
}

/* --- BOTÃO PULAR --- */
.pular-btn {
    background-color: #ff9800;
    border: 2px solid #e65100;
    font-weight: 700;
}

.pular-btn:hover {
    background-color: #e65100;
}

#mensagem {
    font-size: 1.1em;
    margin-top: 20px;
    font-weight: 600;
}

.win-message {
    color: #4CAF50;
}

.lose-message {
    color: #f44336;
}

/* --- TELA FINAL --- */
.end-container {
    background: linear-gradient(135deg, #1a2a47, #000000);
    padding: 50px;
    border-radius: 20px;
    text-align: center;
}

.end-container.win {
    background: linear-gradient(135deg, #283e2a, #000000);
}

.end-container.lose {
    background: linear-gradient(135deg, #422d2d, #000000);
}

.end-icon {
    font-size: 100px;
    margin-bottom: 20px;
    animation: bounceIn 1s;
}

.end-icon.win {
    color: #ffd700;
}

.end-icon.lose {
    color: #f44336;
}

#end-message {
    font-size: 1.2em;
    margin-bottom: 30px;
}

.time-up-icon {
    display: inline-block;
    color: #f44336; 
    font-size: 1.2em; 
    margin: 0 5px;
    animation: time-shake 0.3s infinite; 
}

/* Animações e Decorações */
@keyframes time-shake {
    0%, 100% { transform: translateX(0) rotate(0deg); }
    10% { transform: translateX(-5px) rotate(-2deg); }
    /* ... (restante dos keyframes) ... */
    90% { transform: translateX(-3px) rotate(-1deg); }
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate__fade-in { animation: fadeIn 0.8s ease-out; }
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}
.animate__pulse { animation: pulse 2s infinite; }
@keyframes zoomIn {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}
.animate__zoom-in { animation: zoomIn 0.5s ease-out; }
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    50% { transform: translateX(5px); }
    75% { transform: translateX(-5px); }
}
.shake { animation: shake 0.5s ease-in-out; }

.background-decorations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
    pointer-events: none;
}

.decoration-icon {
    position: absolute;
    font-size: 80px;
    color: rgba(255, 255, 255, 0.05);
    animation: float 20s infinite ease-in-out;
}

.decoration-icon.top-left { top: 10%; left: 10%; animation-delay: 0s; }
.decoration-icon.bottom-right { bottom: 15%; right: 15%; animation-delay: 5s; }
.decoration-icon.top-right { top: 5%; right: 20%; animation-delay: 10s; }
.decoration-icon.bottom-left { bottom: 5%; left: 5%; animation-delay: 15s; }

@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(10deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

@keyframes scaleIn {
    from { transform: translate(-50%, -50%) scale(0.5); opacity: 0; }
    to { transform: translate(-50%, -50%) scale(1); opacity: 0.9; }
}

.action-swap-container {
    position: relative;
    width: 100%;
    height: 50px;
}

.action-swap-container button {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 5;
    transition: opacity 0.3s ease;
}

#reiniciarBtn.swap-btn {
    background-color: #4CAF50;
}

#reiniciarBtn.swap-btn:hover {
    background-color: #45a049;
}

#change-difficulty-btn {
    background-color: #0d47a1;
    margin-top: 10px;
    padding: 12px 25px;
    font-size: 1em;
    font-weight: 500;
}

#change-difficulty-btn:hover {
    background-color: #0b3c8f;
    transform: translateY(-2px);
}

/* --- RESPONSIVIDADE --- */
@media (max-width: 768px) {
    /* Ajusta a margem e padding do container principal em telas menores */
    .intro-container, .difficulty-container, .end-container, .main-container {
        padding: 20px;
        margin-top: 5vh; 
    }
    
    .elegant-title {
        font-size: 2.2em;
        letter-spacing: 3px;
    }

    /* Otimiza a visualização das cartas de dificuldade em mobile */
    .difficulty-options {
        flex-direction: column;
        gap: 15px;
    }
    
    .difficulty-card {
        max-width: 100%;
        flex: 1 1 auto;
    }

    h1 {
        font-size: 2em;
    }
    
    /* Garante que os itens de pontuação fiquem empilhados em telas pequenas */
    .score-sidebar {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
        padding: 10px;
    }
    .score-item {
        font-size: 1em;
    }
    .timer-container {
        width: 80px;
        height: 80px;
    }
    .circular-timer #timer-display {
        width: 60px;
        height: 60px;
        font-size: 2em;
    }
}