:root {
    --numi-ink: #232145;
    --numi-ink-soft: #5b5780;
    --numi-paper: #FFFBF5;
    --numi-grid: #eaf3f1;
    --numi-coral: #FF6F59;
    --numi-coral-dark: #e2543f;
    --numi-sun: #FFC857;
    --numi-mint: #4FB6A8;
    --raio: 22px;
    --sombra-adesivo: 0 3px 0 var(--numi-ink);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: 'Nunito', sans-serif;
    color: var(--numi-ink);
    background-color: var(--numi-paper);
    background-image:
        radial-gradient(var(--numi-grid) 1.6px, transparent 1.6px);
    background-size: 24px 24px;
    min-height: 100vh;
    min-height: 100dvh;
}

h1, h2, .botao-principal, .botao-enviar, .aba-materia {
    font-family: 'Baloo 2', sans-serif;
}

/* ---------- Fase 2 (6º-9º ano): paleta mais sóbria, sem perder a graça ---------- */
body.fase-2 {
    --numi-coral: #4FB6A8;
    --numi-coral-dark: #3a9689;
    --numi-grid: #ece9f7;
}

/* ---------- "Mundos" temáticos por personagem (telas de cadastro/login/pagamento) ---------- */
body.tela-cadastro.personagem-lumi {
    background:
        radial-gradient(2px 2px at 15% 20%, #ffe9a3 0%, transparent 60%),
        radial-gradient(2px 2px at 75% 15%, #a3ffd9 0%, transparent 60%),
        radial-gradient(2px 2px at 40% 35%, #ffe9a3 0%, transparent 60%),
        radial-gradient(2px 2px at 85% 55%, #a3ffd9 0%, transparent 60%),
        radial-gradient(2px 2px at 25% 70%, #ffe9a3 0%, transparent 60%),
        radial-gradient(2px 2px at 60% 80%, #a3ffd9 0%, transparent 60%),
        radial-gradient(ellipse at top, #2c3f63 0%, #172848 55%, #0a1226 100%);
    background-size: auto, auto, auto, auto, auto, auto, cover;
    animation: piscarVagalumes 4s ease-in-out infinite alternate;
}
@keyframes piscarVagalumes {
    from { filter: brightness(1); }
    to { filter: brightness(1.35); }
}
body.tela-cadastro.personagem-capi {
    background: radial-gradient(ellipse at top, #fff3de 0%, #fbe3bd 55%, #f3d2a0 100%);
}
body.tela-cadastro.personagem-cami {
    background: radial-gradient(ellipse at top, #eef8f1 0%, #d9edd0 55%, #c7e3ce 100%);
}
body.tela-cadastro.personagem-geral {
    background: radial-gradient(ellipse at top, #fff2e2 0%, #ffe0d1 45%, #d9f0e6 100%);
}

/* Toque temático mais leve nas páginas comuns (chat, progresso) — muda a cor
   de destaque principal + os pontinhos de fundo, pra cada personagem ter sua
   própria "cara" no app, sem trocar o layout inteiro. */
body.personagem-lumi:not(.tela-cadastro) {
    --numi-coral: #F0B429;
    --numi-coral-dark: #c9930f;
    --numi-grid: #cfe0ff;
}
body.personagem-capi:not(.tela-cadastro) {
    --numi-coral: #E0813F;
    --numi-coral-dark: #b5622a;
    --numi-grid: #ffe0b8;
}
body.personagem-cami:not(.tela-cadastro) {
    --numi-coral: #4FB6A8;
    --numi-coral-dark: #3a9689;
    --numi-grid: #cdeed6;
}

/* ---------- Mascotes (fotos reais dos personagens) ---------- */
.personagem-avatar {
    border-radius: 50%;
    object-fit: cover;
    display: block;
    border: 2.5px solid var(--numi-ink);
    background: #fff;
}
.numi-mini {
    width: 110px;
    height: 110px;
    margin: 0 auto 8px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    border: 2.5px solid var(--numi-ink);
    background: #fff;
}
.logo-mini {
    width: 160px;
    max-width: 100%;
    height: auto;
    margin: 0 auto 12px;
    display: block;
    object-fit: contain;
}
.trio-personagens {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 14px;
}
.trio-personagens img {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--numi-ink);
}

/* ---------- Telas de cadastro/login ---------- */
.tela-cadastro {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    min-height: 100dvh;
}
.cartao-cadastro {
    background: #fff;
    border: 3px solid var(--numi-ink);
    border-radius: 28px;
    box-shadow: 6px 6px 0 var(--numi-ink);
    padding: 32px 28px;
    max-width: 420px;
    width: 100%;
    text-align: center;
}
.subtitulo { color: var(--numi-ink-soft); margin-bottom: 20px; }
.form-cadastro { display: flex; flex-direction: column; gap: 6px; text-align: left; }
.form-cadastro label { font-weight: 800; font-size: 0.9rem; margin-top: 12px; }
.form-cadastro input, .form-cadastro select {
    padding: 13px 14px;
    border: 2px solid var(--numi-ink);
    border-radius: 14px;
    font-family: 'Nunito', sans-serif;
    font-size: 1rem;
    background: var(--numi-paper);
}
.form-cadastro input:focus, .form-cadastro select:focus {
    outline: 3px solid var(--numi-sun);
    outline-offset: 1px;
}
.botao-principal {
    margin-top: 22px;
    padding: 15px;
    background: var(--numi-coral);
    color: #fff;
    border: 3px solid var(--numi-ink);
    border-radius: 16px;
    font-size: 1.1rem;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 4px 4px 0 var(--numi-ink);
    transition: transform 0.08s, box-shadow 0.08s;
}
.botao-principal:active { transform: translate(3px, 3px); box-shadow: 1px 1px 0 var(--numi-ink); }
.alerta-erro {
    background: #FFE3E0;
    border: 2px solid var(--numi-coral);
    border-radius: 12px;
    padding: 10px 12px;
    margin-bottom: 12px;
    font-size: 0.9rem;
    font-weight: 700;
}
.link-login { margin-top: 18px; font-size: 0.9rem; }
.link-login a { color: var(--numi-coral-dark); font-weight: 800; }

/* ---------- App principal (chat) ---------- */
.app {
    max-width: 640px;
    margin: 0 auto;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

.cabecalho-fixo {
    position: sticky;
    top: 0;
    z-index: 20;
}

.topo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 3px solid var(--numi-ink);
    background: #fff;
    background-image: linear-gradient(180deg, color-mix(in srgb, var(--numi-coral) 12%, #fff) 0%, #fff 100%);
}
.numi-avatar {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    filter: drop-shadow(2px 3px 0 rgba(35,33,69,0.15));
    animation: respirar 3.2s ease-in-out infinite;
}
@keyframes respirar {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.05) rotate(-2deg); }
}
.topo-info { flex: 1; min-width: 0; }
.topo-info h1 { margin: 0; font-size: 1.15rem; line-height: 1.2; }
.topo-pontos {
    margin: 3px 0 0;
    font-size: 0.82rem;
    color: var(--numi-ink-soft);
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: #FFF6E0;
    border: 1.5px solid var(--numi-sun);
    border-radius: 999px;
    padding: 2px 10px;
    transition: transform 0.2s;
}
.topo-pontos.pontos-pulso {
    animation: pulsoPontos 0.6s ease-out;
}
@keyframes pulsoPontos {
    0% { transform: scale(1); }
    30% { transform: scale(1.25); background: var(--numi-sun); }
    100% { transform: scale(1); }
}
.botao-sair {
    color: var(--numi-ink-soft);
    text-decoration: none;
    font-weight: 800;
    font-size: 0.8rem;
    flex-shrink: 0;
    padding: 6px 10px;
    border-radius: 10px;
}
.botao-sair:active { background: var(--numi-grid); }

.botao-menu-topo {
    background: var(--numi-grid);
    border: 2px solid var(--numi-ink);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    cursor: pointer;
    flex-shrink: 0;
}
.botao-menu-topo:active { transform: scale(0.92); }
.menu-topo-painel {
    position: absolute;
    right: 14px;
    top: 66px;
    z-index: 25;
    background: #fff;
    border: 2.5px solid var(--numi-ink);
    border-radius: 14px;
    box-shadow: 3px 3px 0 rgba(35,33,69,0.2);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 170px;
}
.menu-topo-painel[hidden] { display: none !important; }
.menu-topo-painel a {
    padding: 12px 16px;
    color: var(--numi-ink);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    border-bottom: 1.5px solid var(--numi-grid);
}
.menu-topo-painel a:last-child { border-bottom: none; }
.menu-topo-painel a:active { background: var(--numi-grid); }

/* Botão de ouvir "gigante" pra fase pré-leitura (Lumi) — só ícone, brilha
   sozinho até o primeiro toque, pra chamar atenção sem precisar ler nada. */
.botao-ouvir.grande-lumi {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    font-size: 1.8rem;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
.botao-ouvir.grande-lumi.chamando-atencao-som {
    animation: pulsoSeletor 1.2s ease-in-out infinite;
}

.faixa-aviso {
    padding: 8px 16px;
    font-size: 0.82rem;
    font-weight: 700;
    text-align: center;
    border-bottom: 2px solid var(--numi-ink);
}
.faixa-aviso a { color: inherit; text-decoration: underline; font-weight: 800; }
.faixa-teste { background: #FFF6E0; color: #8a6100; }
.faixa-lembrete { background: #FFE3E0; color: var(--numi-coral-dark); }

/* ---------- Botão seletor de matéria + pop-up ---------- */
.seletor-materia-linha {
    background: #fff;
    border-bottom: 3px solid var(--numi-ink);
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.seletor-dica {
    font-size: 0.78rem;
    color: var(--numi-ink-soft);
    font-weight: 700;
}
.seletor-materia {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--numi-coral);
    color: #fff;
    border: 2.5px solid var(--numi-ink);
    border-radius: 999px;
    padding: 9px 16px;
    font-weight: 800;
    font-size: 0.95rem;
    cursor: pointer;
    box-shadow: 2px 2px 0 var(--numi-ink);
    transition: transform 0.1s;
}
.seletor-materia:active { transform: scale(0.97); }
.seletor-icone { font-size: 1.1rem; }
.seletor-seta { font-size: 0.8rem; opacity: 0.85; }

.seletor-materia.chamando-atencao {
    animation: pulsoSeletor 1.4s ease-in-out 3;
}
@keyframes pulsoSeletor {
    0%, 100% { transform: scale(1); box-shadow: 2px 2px 0 var(--numi-ink); }
    50% { transform: scale(1.06); box-shadow: 2px 2px 0 var(--numi-ink), 0 0 0 6px rgba(255,111,89,0.25); }
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(35, 33, 69, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 100;
    animation: apareceOverlay 0.15s ease-out;
}
.modal-overlay[hidden] {
    display: none !important;
}
@keyframes apareceOverlay { from { opacity: 0; } to { opacity: 1; } }

.modal-materia-card {
    background: var(--numi-paper);
    border: 3px solid var(--numi-ink);
    border-radius: 26px;
    box-shadow: 6px 6px 0 var(--numi-ink);
    max-width: 420px;
    width: 100%;
    max-height: 80vh;
    max-height: 80dvh;
    overflow-y: auto;
    padding: 20px;
    animation: apareceModal 0.18s ease-out;
}
@keyframes apareceModal {
    from { opacity: 0; transform: scale(0.94) translateY(8px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-materia-topo {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}
.modal-materia-topo h2 {
    margin: 0;
    font-size: 1.15rem;
}
.modal-fechar {
    background: var(--numi-grid);
    border: 2px solid var(--numi-ink);
    border-radius: 50%;
    width: 34px;
    height: 34px;
    font-size: 1rem;
    font-weight: 800;
    cursor: pointer;
    flex-shrink: 0;
}
.modal-fechar:active { transform: scale(0.92); }

.grade-materias {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}
.opcao-materia {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    background: #fff;
    border: 2.5px solid var(--numi-ink);
    border-radius: 18px;
    padding: 14px 8px;
    font-family: 'Nunito', sans-serif;
    font-weight: 800;
    font-size: 0.85rem;
    color: var(--numi-ink-soft);
    cursor: pointer;
    box-shadow: 2px 2px 0 rgba(35,33,69,0.15);
    transition: transform 0.1s, background 0.15s, color 0.15s;
}
.opcao-materia-icone { font-size: 1.6rem; }
.opcao-materia:active { transform: scale(0.95); }
.opcao-materia.selecionada {
    background: var(--numi-coral);
    color: #fff;
    box-shadow: 2px 2px 0 var(--numi-ink);
}

/* ---------- Janela de chat ---------- */
.janela-chat {
    flex: 1;
    padding: 18px 14px 10px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.turno-conversa {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.linha-mensagem {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    max-width: 100%;
}
.linha-mensagem.usuario { justify-content: flex-end; }
.linha-mensagem.entrando { animation: aparecer 0.28s ease-out; }
@keyframes aparecer {
    from { opacity: 0; transform: translateY(8px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.avatar-mini {
    flex-shrink: 0;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 2.5px solid var(--numi-ink);
    margin-bottom: 2px;
    object-fit: cover;
    display: block;
}

.mensagem {
    max-width: 78%;
    padding: 13px 16px;
    border-radius: var(--raio);
    line-height: 1.45;
    font-size: 1rem;
    box-shadow: 3px 3px 0 rgba(35,33,69,0.12);
}
.mensagem p { margin: 0; }
.mensagem.numi {
    background: #fff;
    border: 2.5px solid var(--numi-ink);
    border-bottom-left-radius: 6px;
}
.mensagem.usuario {
    background: var(--numi-coral);
    color: #fff;
    border-bottom-right-radius: 6px;
    box-shadow: 3px 3px 0 rgba(35,33,69,0.2);
}
.mensagem img { max-width: 100%; border-radius: 14px; margin-top: 6px; }

.botao-ouvir {
    margin-top: 10px;
    background: var(--numi-sun);
    border: 2.5px solid var(--numi-ink);
    border-radius: 999px;
    padding: 7px 16px;
    font-weight: 800;
    cursor: pointer;
    font-family: 'Nunito', sans-serif;
    box-shadow: 2px 2px 0 var(--numi-ink);
}
.botao-ouvir:active { transform: translate(1px, 1px); box-shadow: 1px 1px 0 var(--numi-ink); }
.botao-ouvir:disabled { opacity: 0.6; cursor: wait; box-shadow: none; }

.opcoes-dialogo {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}
.botao-opcao {
    background: #fff;
    border: 2.5px solid var(--numi-coral);
    color: var(--numi-coral-dark);
    border-radius: 999px;
    padding: 9px 16px;
    font-weight: 800;
    font-family: 'Nunito', sans-serif;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, transform 0.1s;
}
.botao-opcao:active {
    background: var(--numi-coral);
    color: #fff;
    transform: scale(0.96);
}

.area-status {
    padding: 0 18px 8px;
    color: var(--numi-ink-soft);
    font-style: italic;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ---------- Barra de entrada ---------- */
.barra-entrada {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
    background: #fff;
    border-top: 3px solid var(--numi-ink);
}
.rodape-fixo {
    position: sticky;
    bottom: 0;
    z-index: 15;
    background: #fff;
}
.barra-entrada textarea {
    flex: 1;
    resize: none;
    border: 2.5px solid var(--numi-ink);
    border-radius: 20px;
    padding: 12px 16px;
    font-family: 'Nunito', sans-serif;
    font-size: 1rem;
    max-height: 100px;
    background: var(--numi-paper);
}
.barra-entrada textarea:focus { outline: 3px solid var(--numi-sun); outline-offset: 1px; }

.botao-icone {
    background: var(--numi-grid);
    border: 2.5px solid var(--numi-ink);
    border-radius: 50%;
    width: 46px;
    height: 46px;
    min-width: 46px;
    font-size: 1.25rem;
    cursor: pointer;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.1s;
}
.botao-icone:active { transform: scale(0.92); }
.botao-icone.gravando { background: var(--numi-coral); animation: pulsar 1s infinite; }
@keyframes pulsar { 0%,100% { transform: scale(1); } 50% { transform: scale(1.12); } }
.botao-enviar { background: var(--numi-coral); color: #fff; }

.botao-icone.destaque {
    width: 54px;
    height: 54px;
    min-width: 54px;
    font-size: 1.5rem;
    background: var(--numi-sun);
    box-shadow: 2px 2px 0 var(--numi-ink);
}

.preview-midia {
    margin: 0 16px 10px;
    font-size: 0.85rem;
    color: var(--numi-ink-soft);
    font-weight: 700;
}

/* ---------- Ajustes finos pra telas pequenas ---------- */
@media (max-width: 480px) {
    .app { min-height: 100dvh; }
    .topo { padding: 10px 12px; gap: 10px; }
    .numi-avatar { width: 46px; height: 46px; }
    .topo-info h1 { font-size: 1.05rem; }
    .janela-chat { padding: 14px 10px 8px; gap: 12px; }
    .mensagem { max-width: 84%; padding: 11px 14px; font-size: 0.96rem; }
    .botao-icone { width: 44px; height: 44px; min-width: 44px; }
}