/* ═══════════════════════════════════════════════════════════
   game.css — EstudaMente Game Interface
   ═══════════════════════════════════════════════════════════ */

:root {
    --g-fundo:        #0f0f23;
    --g-card:         rgba(255,255,255,0.07);
    --g-borda:        rgba(255,255,255,0.13);
    --g-primaria:     #7c3aed;
    --g-secundaria:   #06b6d4;
    --g-sucesso:      #10b981;
    --g-erro:         #ef4444;
    --g-aviso:        #f59e0b;
    --g-texto:        #f1f5f9;
    --g-texto-suave:  #94a3b8;
}

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

body.game-body {
    background: linear-gradient(135deg, #0f0f23 0%, #1a1040 50%, #0f1f23 100%);
    min-height: 100vh;
    color: var(--g-texto);
    font-family: 'Segoe UI', system-ui, sans-serif;
}

/* ── Card base ──────────────────────────────────────────── */
.g-card {
    background: var(--g-card);
    border: 1px solid var(--g-borda);
    border-radius: 16px;
    padding: 28px 32px;
    backdrop-filter: blur(12px);
}

/* ── Alert ──────────────────────────────────────────────── */
.g-alerta {
    background: rgba(239,68,68,.15);
    border: 1px solid rgba(239,68,68,.4);
    color: #fca5a5;
    padding: 10px 14px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: .9rem;
}

/* ══════════════════════════════════════════════════════════
   REGISTRO
   ══════════════════════════════════════════════════════════ */
.g-registro-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px 16px;
}

.g-logo h1 {
    font-size: 2.6rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--g-primaria), var(--g-secundaria));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin-bottom: 6px;
}
.g-logo p {
    color: var(--g-texto-suave);
    text-align: center;
    font-size: 1.05rem;
    margin-bottom: 28px;
}

.g-form { width: 100%; max-width: 440px; }

.g-field { margin-bottom: 14px; }
.g-field label {
    display: block;
    color: var(--g-texto-suave);
    font-size: .78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .07em;
    margin-bottom: 6px;
}
.g-field input,
.g-field select {
    width: 100%;
    padding: 11px 14px;
    background: rgba(255,255,255,.05);
    border: 1px solid var(--g-borda);
    border-radius: 8px;
    color: var(--g-texto);
    font-size: .98rem;
    outline: none;
    transition: border-color .2s;
}
.g-field input:focus,
.g-field select:focus   { border-color: var(--g-primaria); }
.g-field select option  { background: #1a1040; color: #fff; }
.g-field select:disabled { opacity: .45; }

.btn-g-primary {
    width: 100%;
    padding: 13px;
    background: linear-gradient(135deg, var(--g-primaria), #9333ea);
    border: none;
    border-radius: 10px;
    color: #fff;
    font-size: 1.05rem;
    font-weight: 800;
    cursor: pointer;
    letter-spacing: .05em;
    margin-top: 6px;
    transition: transform .15s, opacity .15s;
}
.btn-g-primary:hover   { transform: translateY(-2px); opacity: .93; }
.btn-g-primary:active  { transform: translateY(0); }
.btn-g-primary:disabled { opacity: .45; cursor: default; transform: none; }

/* ══════════════════════════════════════════════════════════
   SELEÇÃO
   ══════════════════════════════════════════════════════════ */
.g-selecao-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 36px 16px;
}

.g-user-bar {
    width: 100%;
    max-width: 500px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}
.g-user-nome   { font-weight: 700; font-size: 1.05rem; }
.g-user-detalhe { color: var(--g-texto-suave); font-size: .85rem; }

.btn-g-sair {
    background: transparent;
    border: 1px solid var(--g-borda);
    color: var(--g-texto-suave);
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: .85rem;
    transition: all .15s;
}
.btn-g-sair:hover { border-color: var(--g-erro); color: var(--g-erro); }

.g-selecao-titulo    { font-size: 1.5rem; font-weight: 700; margin-bottom: 6px; text-align: center; }
.g-selecao-subtitulo { color: var(--g-texto-suave); margin-bottom: 22px; text-align: center; font-size: .95rem; }

.g-selecao-form { width: 100%; max-width: 500px; }

.btn-jogar {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--g-secundaria), #0891b2);
    border: none;
    border-radius: 10px;
    color: #fff;
    font-size: 1.15rem;
    font-weight: 800;
    cursor: pointer;
    letter-spacing: .06em;
    margin-top: 6px;
    transition: transform .15s, opacity .15s;
}
.btn-jogar:hover   { transform: translateY(-2px); }
.btn-jogar:disabled { opacity: .45; cursor: default; transform: none; }

/* ══════════════════════════════════════════════════════════
   QUIZ
   ══════════════════════════════════════════════════════════ */

/* HUD top bar */
.g-hud {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    background: rgba(0,0,0,.35);
    border-bottom: 1px solid var(--g-borda);
    position: sticky;
    top: 0;
    z-index: 20;
}
.hud-progresso-texto { font-size: .82rem; color: var(--g-texto-suave); }
.hud-streak  { font-size: 1.05rem; min-width: 60px; text-align: center; }
.hud-score   { font-size: 1.3rem; font-weight: 900; color: var(--g-aviso); }

.g-barra-progresso {
    height: 5px;
    background: rgba(255,255,255,.08);
}
.g-barra-progresso-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--g-primaria), var(--g-secundaria));
    transition: width .4s ease;
}

/* Quiz main area */
.g-quiz-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 16px 40px;
}

/* Timer SVG */
.g-timer-wrap {
    position: relative;
    width: 90px;
    height: 90px;
    margin: 16px 0;
}
.g-timer-svg { transform: rotate(-90deg); }
.g-timer-trilha    { fill: none; stroke: rgba(255,255,255,.1); stroke-width: 7; }
.g-timer-progresso {
    fill: none;
    stroke: var(--g-secundaria);
    stroke-width: 7;
    stroke-linecap: round;
    stroke-dasharray: 283;
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 1s linear, stroke .3s;
}
.g-timer-numero {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.7rem;
    font-weight: 900;
}

/* Question card */
.g-questao-card { width: 100%; max-width: 680px; margin-bottom: 18px; }
.g-questao-numero {
    font-size: .75rem;
    color: var(--g-texto-suave);
    text-transform: uppercase;
    letter-spacing: .1em;
    margin-bottom: 10px;
}
.g-questao-texto { font-size: 1.1rem; line-height: 1.65; }

/* Answer buttons */
.g-alternativas {
    width: 100%;
    max-width: 680px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 11px;
}
.btn-alt {
    padding: 15px 18px;
    border-radius: 12px;
    border: 2px solid var(--g-borda);
    background: var(--g-card);
    color: var(--g-texto);
    font-size: .92rem;
    text-align: left;
    cursor: pointer;
    transition: all .15s;
    line-height: 1.4;
    backdrop-filter: blur(10px);
}
.btn-alt:hover:not(:disabled) {
    border-color: var(--g-primaria);
    background: rgba(124,58,237,.15);
    transform: translateY(-2px);
}
.btn-alt:disabled { cursor: default; }
.btn-alt.correta {
    border-color: var(--g-sucesso);
    background: rgba(16,185,129,.2);
    animation: pulso .35s ease;
}
.btn-alt.incorreta {
    border-color: var(--g-erro);
    background: rgba(239,68,68,.18);
    animation: tremida .35s ease;
}

@keyframes pulso   { 0%,100% { transform: scale(1); } 50% { transform: scale(1.03); } }
@keyframes tremida { 0%,100% { transform: translateX(0); } 30% { transform: translateX(-7px); } 70% { transform: translateX(7px); } }

/* Points popup */
.g-popup-pontos {
    position: fixed;
    top: 75px; left: 50%;
    transform: translateX(-50%) translateY(-16px);
    background: var(--g-sucesso);
    color: #fff;
    padding: 7px 20px;
    border-radius: 20px;
    font-size: 1.15rem;
    font-weight: 900;
    pointer-events: none;
    opacity: 0;
    transition: opacity .2s, transform .2s;
    z-index: 100;
}
.g-popup-pontos.ativo { opacity: 1; transform: translateX(-50%) translateY(0); }
.g-popup-pontos.vermelho { background: var(--g-erro); }

/* Loading overlay */
.g-carregando {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    gap: 20px;
    font-size: 1rem;
    color: var(--g-texto-suave);
}
.g-spinner {
    width: 48px; height: 48px;
    border: 5px solid rgba(255,255,255,.1);
    border-top-color: var(--g-primaria);
    border-radius: 50%;
    animation: girar .75s linear infinite;
}
@keyframes girar { to { transform: rotate(360deg); } }

/* ══════════════════════════════════════════════════════════
   RESULTADO
   ══════════════════════════════════════════════════════════ */
.g-resultado-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 30px 16px 50px;
    gap: 22px;
}

.g-resultado-header { text-align: center; max-width: 520px; }

.g-estrelas { font-size: 2.4rem; letter-spacing: 5px; margin-bottom: 10px; }

.g-pontuacao-valor {
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--g-aviso), #f97316);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}
.g-pontuacao-label {
    color: var(--g-texto-suave);
    font-size: .82rem;
    text-transform: uppercase;
    letter-spacing: .1em;
    margin-top: 4px;
}

/* Stats row */
.g-stats {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    width: 100%;
    max-width: 620px;
}
.g-stat {
    background: var(--g-card);
    border: 1px solid var(--g-borda);
    border-radius: 12px;
    padding: 14px 22px;
    text-align: center;
    flex: 1;
    min-width: 110px;
}
.g-stat-valor             { font-size: 2rem; font-weight: 900; }
.g-stat-valor.v-turma     { color: var(--g-primaria); }
.g-stat-valor.v-escola    { color: var(--g-secundaria); }
.g-stat-valor.v-acertos   { color: var(--g-sucesso); }
.g-stat-label {
    font-size: .72rem;
    color: var(--g-texto-suave);
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-top: 4px;
}

/* Ranking section */
.g-ranking-section { width: 100%; max-width: 700px; }
.g-ranking-titulo  { font-size: 1.1rem; font-weight: 700; margin-bottom: 12px; }

.g-ranking-tabs {
    display: flex;
    border-bottom: 1px solid var(--g-borda);
    margin-bottom: 14px;
}
.g-tab {
    padding: 9px 20px;
    cursor: pointer;
    color: var(--g-texto-suave);
    font-weight: 600;
    font-size: .9rem;
    border-bottom: 2px solid transparent;
    transition: all .2s;
}
.g-tab.ativo { color: var(--g-primaria); border-bottom-color: var(--g-primaria); }

.g-ranking-tabela { display: none; }
.g-ranking-tabela.ativo { display: block; overflow-x: auto; }

.g-ranking-tabela table { width: 100%; border-collapse: collapse; }
.g-ranking-tabela th {
    text-align: left;
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--g-texto-suave);
    padding: 7px 12px;
}
.g-ranking-tabela td {
    padding: 9px 12px;
    border-top: 1px solid rgba(255,255,255,.05);
    font-size: .92rem;
}
.g-ranking-tabela tr.eu td {
    background: rgba(124,58,237,.18);
    font-weight: 700;
    color: #ddd6fe;
}
.pos-1 { color: #fbbf24; font-weight: 900; }
.pos-2 { color: #d1d5db; font-weight: 700; }
.pos-3 { color: #cd7c2e; font-weight: 700; }

/* Action buttons */
.g-acoes { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; width: 100%; max-width: 520px; }

.btn-g-secundario {
    flex: 1;
    min-width: 150px;
    padding: 12px 18px;
    background: var(--g-card);
    border: 1px solid var(--g-borda);
    border-radius: 10px;
    color: var(--g-texto);
    font-size: .97rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: all .15s;
    display: inline-block;
}
.btn-g-secundario:hover { border-color: var(--g-primaria); background: rgba(124,58,237,.12); }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 600px) {
    .g-alternativas       { grid-template-columns: 1fr; }
    .g-pontuacao-valor    { font-size: 3rem; }
    .g-logo h1            { font-size: 2rem; }
    .g-stat               { min-width: 90px; padding: 10px 14px; }
    .g-card               { padding: 20px 18px; }
}