:root {
    --verde: #22c55e;
    --verde-escuro: #16a34a;
    --bg-top: #0f1720;
    --bg-bottom: #182233;
    --card-bg: rgba(255, 255, 255, 0.06);
    --card-border: rgba(255, 255, 255, 0.12);
    --texto: #f4f7f5;
    --texto-fraco: rgba(244, 247, 245, 0.65);
    color-scheme: dark;

    /* escala de espaçamento — usar somente estes valores */
    --sp-4: 4px;
    --sp-8: 8px;
    --sp-12: 12px;
    --sp-16: 16px;
    --sp-24: 24px;

    /* escala tipográfica */
    --fs-titulo: 22px;
    --fs-subtitulo: 18px;
    --fs-texto: 15px;
    --fs-secundario: 13px;
    --fs-legenda: 12px;

    --raio-card: 16px;
    --sombra-card: 0 1px 3px rgba(0, 0, 0, 0.35);
    --altura-nav: 60px;
}

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

html, body {
    height: 100%;
    overscroll-behavior: none;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
    color: var(--texto);
    font-size: var(--fs-texto);
}

/* ---------- Casca do app (Home): header fixo, conteúdo rolável, nav fixa ---------- */
body.app-shell {
    height: 100dvh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 0;
}

.app-header {
    flex: 0 0 auto;
    padding: calc(env(safe-area-inset-top) + var(--sp-8)) var(--sp-16) var(--sp-8);
    text-align: center;
    background: rgba(15, 23, 32, 0.55);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    border-bottom: 1px solid var(--card-border);
}

.header-hora {
    font-size: var(--fs-legenda);
    color: var(--texto-fraco);
    font-variant-numeric: tabular-nums;
    margin-bottom: 2px;
}

.header-proxima {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1px;
}

.proxima-label, .contagem-label {
    font-size: var(--fs-legenda);
    color: var(--texto-fraco);
    font-weight: 400;
}

.proxima-nome {
    font-size: var(--fs-subtitulo);
    font-weight: 700;
    line-height: 1.2;
}

.proxima-contagem {
    font-size: var(--fs-secundario);
    font-weight: 700;
    color: var(--verde);
    font-variant-numeric: tabular-nums;
}

/* ---------- Resumo do dia (barra fina, uma linha) ---------- */
.resumo-dia {
    flex: 0 0 auto;
    padding: var(--sp-8) var(--sp-16) 0;
}

.barra-fina {
    height: 4px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    overflow: hidden;
}

.barra-fina-preenchido {
    height: 100%;
    background: linear-gradient(90deg, var(--verde-escuro), var(--verde));
    transition: width 0.4s ease;
}

.resumo-texto {
    font-size: var(--fs-legenda);
    color: var(--texto-fraco);
    text-align: center;
    margin-top: var(--sp-4);
}

/* ---------- Indicadores (mini cards em linha) ---------- */
.indicadores-linha {
    flex: 0 0 auto;
    display: flex;
    gap: var(--sp-8);
    padding: var(--sp-8) var(--sp-16) 0;
}

.mini-card {
    flex: 1;
    min-width: 0;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    padding: var(--sp-8) var(--sp-4);
    font-size: var(--fs-secundario);
    font-weight: 600;
    text-align: center;
    color: var(--texto);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ---------- Meta de peso (card compacto) ---------- */
.card-meta-peso {
    flex: 0 0 auto;
    margin: var(--sp-8) var(--sp-16) 0;
    padding: var(--sp-8) var(--sp-12);
    background: rgba(34, 197, 94, 0.10);
    border: 1px solid rgba(34, 197, 94, 0.35);
    border-radius: var(--raio-card);
}

.meta-linha1 {
    font-size: var(--fs-secundario);
    font-weight: 700;
}

.meta-linha2 {
    font-size: var(--fs-legenda);
    color: var(--texto-fraco);
    margin: 2px 0 var(--sp-4);
}

/* ---------- Alertas (banners compactos) ---------- */
#alertas {
    flex: 0 0 auto;
    padding: 0 var(--sp-16);
    display: flex;
    flex-direction: column;
    gap: var(--sp-8);
}

#alertas:not(:empty) {
    margin-top: var(--sp-8);
}

#alertas .alert {
    margin: 0;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-8);
    font-size: var(--fs-secundario);
    line-height: 1.3;
    padding: var(--sp-8) var(--sp-12);
    min-height: 44px;
}

#alertas .alert button {
    flex-shrink: 0;
}

/* ---------- Carrossel vertical de refeições (ocupa o espaço restante) ---------- */
#carrossel-refeicoes {
    flex: 1 1 auto;
    min-height: 0;
    position: relative;
    touch-action: none;
    overflow: hidden;
    padding-bottom: calc(var(--altura-nav) + env(safe-area-inset-bottom));
}

.refeicoes-track {
    height: 100%;
    transition: transform 0.38s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
}

.refeicao-secao {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--sp-12) var(--sp-16);
}

.card-padrao, .refeicao-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--raio-card);
    box-shadow: var(--sombra-card);
    padding: var(--sp-16);
    display: flex;
    flex-direction: column;
    gap: var(--sp-12);
}

.refeicao-card.concluida {
    border-color: rgba(34, 197, 94, 0.55);
    background: rgba(34, 197, 94, 0.08);
}

.refeicao-cabecalho {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
}

.refeicao-nome {
    font-size: var(--fs-titulo);
    font-weight: 700;
}

.refeicao-horario {
    font-size: var(--fs-secundario);
    color: var(--texto-fraco);
}

.opcoes-wrap {
    touch-action: none;
    overflow: hidden;
    border-radius: var(--raio-card);
}

.opcoes-track {
    display: flex;
    transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
}

.opcao-pagina {
    flex: 0 0 100%;
    min-width: 0;
}

.itens-lista {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--sp-8);
}

.itens-lista li {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: var(--sp-8) var(--sp-12);
    font-size: var(--fs-texto);
    line-height: 1.35;
}

.dots {
    display: flex;
    justify-content: center;
    gap: var(--sp-4);
    font-size: 10px;
    color: var(--texto-fraco);
    letter-spacing: 2px;
    margin-top: -4px;
}

.dots .ativo {
    color: var(--verde);
}

.btn-concluir {
    border: none;
    border-radius: 16px;
    height: 50px;
    padding: 0 var(--sp-16);
    font-size: var(--fs-texto);
    font-weight: 700;
    background: linear-gradient(135deg, var(--verde-escuro), var(--verde));
    color: #06210f;
}

.btn-desfazer {
    border: 1px solid var(--card-border);
    background: transparent;
    color: var(--texto-fraco);
    border-radius: 14px;
    padding: var(--sp-8);
    font-size: var(--fs-secundario);
}

.status-concluido {
    text-align: center;
    font-size: var(--fs-secundario);
    color: var(--verde);
    font-weight: 600;
}

/* ---------- Bottom Navigation (fixa em todas as telas) ---------- */
.bottom-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    display: flex;
    height: calc(var(--altura-nav) + env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom);
    background: rgba(15, 23, 32, 0.85);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    border-top: 1px solid var(--card-border);
}

.nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    text-decoration: none;
    color: var(--texto-fraco);
    font-size: 11px;
    font-weight: 600;
}

.nav-item.ativo {
    color: var(--verde);
}

.nav-icone {
    font-size: 20px;
    line-height: 1;
}

/* ---------- Modais premium ---------- */
.modal-content {
    background: #16202c;
    color: var(--texto);
    border-radius: 22px;
    border: 1px solid var(--card-border);
}

.quick-water-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-8);
    margin-bottom: var(--sp-12);
}

.quick-water-grid button {
    border-radius: 14px;
    border: 1px solid rgba(56, 189, 248, 0.35);
    background: rgba(56, 189, 248, 0.12);
    color: #bae6fd;
    padding: var(--sp-8) var(--sp-4);
    font-weight: 600;
}

.lancamento-agua {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-8);
    padding: var(--sp-8) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: var(--fs-secundario);
}

.lancamento-agua input {
    width: 80px;
}

.estimativa-nota {
    font-size: var(--fs-legenda);
    color: var(--texto-fraco);
}

.toast-confirmacao {
    position: fixed;
    left: 50%;
    bottom: calc(var(--altura-nav) + env(safe-area-inset-bottom) + var(--sp-12));
    transform: translateX(-50%);
    background: rgba(34, 197, 94, 0.95);
    color: #06210f;
    padding: var(--sp-8) var(--sp-16);
    border-radius: 999px;
    font-weight: 600;
    font-size: var(--fs-secundario);
    z-index: 100;
    opacity: 0;
    transition: opacity 0.25s ease, transform 0.25s ease;
    pointer-events: none;
}

.toast-confirmacao.visivel {
    opacity: 1;
}

/* ---------- Toques e botões com cara de app nativo ---------- */
button, .btn, a {
    touch-action: manipulation;
}

.btn {
    border-radius: 14px !important;
    font-weight: 600;
    transition: transform 0.1s ease, opacity 0.1s ease;
}

.btn:active,
button:active,
.mini-card:active,
.dots span:active {
    transform: scale(0.96);
    opacity: 0.85;
}

.btn:focus, .btn:focus-visible, button:focus-visible {
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.35) !important;
    outline: none;
}

.btn-success {
    background: linear-gradient(135deg, var(--verde-escuro), var(--verde)) !important;
    border: none !important;
    color: #06210f !important;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid var(--card-border) !important;
    color: var(--texto) !important;
}

.btn-outline-light {
    border-radius: 14px !important;
    border-color: var(--card-border) !important;
    color: var(--texto) !important;
}

.btn-outline-danger {
    border-radius: 14px !important;
}

.btn-dark {
    background: rgba(255, 255, 255, 0.12) !important;
    border: none !important;
}

.modal-content .btn {
    padding: 11px var(--sp-16);
}

/* Rolagem suave e sem bounce estranho nas telas internas (avaliação, análises, treino) */
html, body {
    -webkit-overflow-scrolling: touch;
}

/* Páginas internas (não-Home): conteúdo rola normalmente, nav fica fixa por cima */
body.pagina-interna {
    padding-bottom: calc(var(--altura-nav) + env(safe-area-inset-bottom) + var(--sp-16));
}