/* V6 */
/* --- Configurações Globais e Cores --- */
:root {
    --cor-fundo: #008E97;
    --cor-laranja: #F58220;
    --cor-branco: #FFFFFF;
    --cor-texto: #333333;
    --cor-tecla: #e0e0e0;
    --cor-acerto: #28a745;
    --fonte-titulo: 'Oswald', sans-serif;
    --fonte-corpo: 'Helvetica', Arial, sans-serif;
    --altura-padrao-botao: 42px;
    --espacamento-padrao: 15px;
    --animation-duration: 800ms;
}

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

body {
    font-family: var(--fonte-corpo);
    background-color: var(--cor-fundo);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    padding: 20px 10px;
    overflow-y: auto;
}

/* --- Estrutura Principal da Aplicação --- */
.app-wrapper {
    width: 100%;
    max-width: 400px;
    perspective: 1500px;
}

.main-card {
    position: relative;
    width: 100%;
    transform-style: preserve-3d;
    transition: transform 1s ease-in-out;
    min-height: 630px;
}

.main-card.is-flipped {
    transform: rotateY(-180deg);
}

.main-card-face {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
    display: flex;
    flex-direction: column;
}

/* --- Tela de Início --- */
#start-screen {
    background-color: var(--cor-laranja);
    color: var(--cor-branco);
    z-index: 2; 
    transform: rotateY(0deg);
    justify-content: center;
    align-items: center;
}

#start-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    padding: 40px 20px;
}

.logo {
    width: 80%;
    max-width: 300px;
    margin-bottom: 40px;
}

#start-buttons-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
}

.start-button {
    background-color: var(--cor-branco);
    color: var(--cor-laranja);
    font-family: var(--fonte-corpo);
    font-weight: bold;
    font-size: 1.2rem;
    border: none;
    border-radius: 12px;
    padding: 15px 40px;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.start-button:hover {
    transform: scale(1.05);
}

.credits {
    color: var(--cor-branco);
    font-size: 0.9rem;
    margin-top: 40px;
    width: 100%;
    text-align: center;
}

.credits a {
    color: var(--cor-branco);
    font-weight: bold;
    text-decoration: none;
    transition: opacity 0.3s;
}

.credits a:hover {
    opacity: 0.8;
}

/* --- Tela do Jogo --- */
#game-screen {
    background-color: var(--cor-branco);
    transform: rotateY(180deg);
    z-index: 1; 
}

/* --- Card Interno do Jogo --- */
.card {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
}

@keyframes spin-card {
    from { transform: rotateY(0deg); }
    to { transform: rotateY(360deg); }
}

.card.is-spinning {
    animation: spin-card var(--animation-duration) ease-in-out;
}

.card-face {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 24px;
}

.card-face.card-front {
    display: flex;
    flex-direction: column;
    padding: 20px;
    background-color: var(--cor-branco);
}

.card-back {
    transform: rotateY(180deg);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--cor-laranja);
}

/* --- Elementos da UI do Jogo --- */

#progress-bar-container {
    width: 100%;
    flex-shrink: 0;
    margin-bottom: var(--espacamento-padrao);
}
.progress-bar-title {
    text-align: center;
    margin-bottom: 10px;
    color: var(--cor-laranja);
    font-weight: bold;
    text-transform: uppercase;
    font-size: 1.1rem;
}
.progress-bar {
    display: flex;
    justify-content: space-between;
    gap: 3px;
}
.progress-block {
    flex-grow: 1;
    height: 15px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}
.progress-block.pending { background-color: #e0e0e0; }
.progress-block.completed { background-color: var(--cor-laranja); }
.progress-block.current {
    background-color: var(--cor-fundo);
    transform: scaleY(1.2);
    box-shadow: 0 0 8px rgba(0, 142, 151, 0.7);
}

.btn, .ui-element {
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: var(--altura-padrao-botao);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.player-container {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

#play-pause-btn {
    width: calc(var(--altura-padrao-botao) * 1.8);
    height: calc(var(--altura-padrao-botao) * 1.8);
    border-radius: 50%;
    align-self: center;
    background-color: var(--cor-laranja);
    color: var(--cor-branco);
    font-size: 2.2rem;
    padding: 0;
}
#play-pause-btn:hover {
    background-color: #e07010;
}

.bottom-block {
    display: flex;
    flex-direction: column;
    gap: var(--espacamento-padrao);
    margin-bottom: var(--espacamento-padrao);
    flex-shrink: 0;
}

#pontuacao-box {
    background-color: transparent;
    color: rgba(51, 51, 51, 0.6);
    height: auto;
    text-transform: uppercase;
    cursor: default;
}

@keyframes shake {
  10%, 90% { transform: translate3d(-1px, 0, 0); }
  20%, 80% { transform: translate3d(2px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
  40%, 60% { transform: translate3d(4px, 0, 0); }
}

#resposta-input {
    background-color: rgba(245, 130, 32, 0.3);
    font-weight: normal;
    text-align: center;
    transition: background-color 0.3s ease, color 0.3s ease;
    box-sizing: border-box;
    position: relative;
}
#resposta-input:focus {
    outline: none;
}
#resposta-input.is-wrong {
    animation: shake 0.8s ease-in-out;
}
#resposta-input.is-correct {
    background-color: rgba(40, 167, 69, 0.5);
    color: var(--cor-branco);
    font-weight: bold;
}
#resposta-input.is-correct::placeholder {
    color: transparent;
}
#resposta-input.is-correct::after {
    content: '✓';
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--cor-branco);
}


.keyboard-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex-shrink: 0;
}

.keyboard-row {
    display: flex;
    justify-content: center;
    gap: 4px;
}

.key {
    font-family: var(--fonte-corpo);
    font-weight: bold;
    font-size: 0.8rem;
    color: var(--cor-texto);
    background-color: var(--cor-tecla);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    flex-grow: 1;
    height: 32px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.2s;
}
.key:active {
    background-color: #c0c0c0;
}

.key.special {
    flex-grow: 1.5;
    background-color: #b0b0b0;
    font-size: 0.7rem;
}

.key.spacebar {
    flex-grow: 8;
}

.modal {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0,0,0,0.5); display: flex;
    justify-content: center; align-items: center;
    opacity: 0; visibility: hidden;
    transition: opacity 0.4s, visibility 0.4s; z-index: 1000;
}
.modal.show { opacity: 1; visibility: visible; }
.modal-content {
    background-color: var(--cor-branco); padding: 30px 40px;
    border-radius: 12px; text-align: center; font-size: 1.2rem;
    color: var(--cor-texto); box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

@keyframes blink-ajuda {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}
.is-blinking { animation: blink-ajuda 0.5s ease-in-out 8; }

.credits-game {
    width: 100%;
    text-align: center;
    font-size: 0.8rem;
    color: rgba(0, 0, 0, 0.75);
    flex-shrink: 0;
    padding-top: 5px;
}
.credits-game a {
    color: rgba(0, 0, 0, 0.75);
    font-weight: bold;
    text-decoration: none;
    transition: opacity 0.3s;
}
.credits-game a:hover { opacity: 0.8; }


/* --- ESTILOS PARA A TELA DE REGRAS --- */
#rules-screen {
    width: 100%;
    height: 100%;
    display: none;
    flex-direction: column;
    justify-content: space-between;
    text-align: center;
    padding: 30px 25px;
}

.rules-title {
    font-family: var(--fonte-titulo);
    font-size: 1.8rem;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.rules-content {
    text-align: justify;
    font-size: 1.05rem;
    line-height: 1.4;
    flex-grow: 1;
    overflow-y: auto; 
    padding-right: 5px; 
}

.rules-content p {
    margin-bottom: 12px;
    padding-left: 1.2em;
    text-indent: -1.2em;
    position: relative;
}

.rules-content p::before {
    content: '•';
    position: absolute;
    left: 0;
    font-weight: bold;
    color: var(--cor-branco);
}

#rules-screen .start-button {
    width: 100%;
    margin-top: 20px;
    margin-bottom: 20px;
}

#rules-screen .start-button:active {
    transform: scale(0.95);
    transition: transform 0.1s ease;
}

/* --- ESTILOS PARA A BARRA DE BOTÕES DE AÇÃO --- */
.action-buttons-container {
    display: flex;
    width: 100%;
    gap: 8px;
    margin-bottom: var(--espacamento-padrao);
}

.action-btn {
    height: var(--altura-padrao-botao);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.3s ease;
}
.action-btn:hover {
    opacity: 0.9;
}

.main-action-btn {
    flex-grow: 1;
    background-color: var(--cor-fundo);
    color: var(--cor-branco);
    font-size: 1.1rem;
    font-weight: bold;
    text-transform: uppercase;
}

.icon-btn {
    flex-shrink: 0;
    background-color: var(--cor-laranja);
    width: var(--altura-padrao-botao);
}

.icon-btn svg {
    width: 24px;
    height: 24px;
    fill: var(--cor-branco);
}

/* --- ESTILOS PARA A TELA DO HALL DA FAMA --- */
#hall-of-fame-screen {
    background-color: var(--cor-branco);
    transform: rotateY(0deg); 
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    z-index: 0;
    transition: opacity 0.4s ease-in-out;
    display: flex; 
    flex-direction: column;
}

.main-card.show-ranking #hall-of-fame-screen {
    z-index: 10; 
    opacity: 1;
    pointer-events: auto;
}

.hall-of-fame-title {
    color: var(--cor-fundo);
    font-family: var(--fonte-titulo);
    text-align: center;
    font-size: 1.8rem;
    text-transform: uppercase;
    margin-bottom: 10px;
    flex-shrink: 0; 
}

.scoreboard {
    list-style: none;
    padding: 0 5px 0 0;
    margin: 0 0 10px 0;
    color: rgba(51, 51, 51, 0.9);
    font-size: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 4px;
    overflow-y: auto;
    flex-grow: 1;
}

.scoreboard li {
    display: flex;
    justify-content: space-between;
    padding: 5px 8px;
    border-radius: 6px;
}

.scoreboard li:nth-child(odd) {
    background-color: #f0f0f0;
}

.scoreboard .player-name {
    font-weight: bold;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 70%;
}

.new-score-container {
    text-align: center;
    margin-bottom: 10px;
    flex-shrink: 0;
}

.new-score-container p {
    font-size: 1rem;
    margin-bottom: 10px;
}

.name-input {
    width: 100%;
    height: 42px;
    border: 1px solid #ccc;
    background-color: #f9f9f9;
    padding: 0 15px;
    font-size: 1rem;
    text-align: center;
    border-radius: 12px;
    box-sizing: border-box;
}
.name-input:focus {
    outline: 2px solid var(--cor-laranja);
}

.back-to-game-btn {
    background-color: var(--cor-laranja);
    color: var(--cor-branco);
    font-weight: bold;
    font-size: 1.1rem;
    border: none;
    border-radius: 12px;
    padding: 12px 20px;
    cursor: pointer;
    width: 100%;
    text-transform: uppercase;
    flex-shrink: 0;
    margin-bottom: 15px;
}
.back-to-game-btn:hover {
    transform: scale(1.05);
}

#hof-keyboard-container {
    margin-top: auto;
}

/* --- NOVOS ESTILOS PARA A TELA DE CARREGAMENTO (LOADER) --- */
#loader-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--cor-fundo);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.8s ease-out, visibility 0.8s;
    opacity: 1;
    visibility: visible;
}

.loader-spinner {
    width: 60px;
    height: 60px;
    border: 6px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--cor-branco);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 25px;
}

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

.loading-text {
    font-family: var(--fonte-titulo);
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--cor-branco);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: opacity 0.3s ease-in-out;
}