:root {
    --md-ref-typeface-brand: 'Google Sans', 'Roboto', system-ui, sans-serif;
    --md-ref-typeface-plain: 'Roboto', system-ui, sans-serif;
    
    --md-sys-shape-corner-none: 0px;
    --md-sys-shape-corner-extra-small: 4px;
    --md-sys-shape-corner-small: 8px;
    --md-sys-shape-corner-medium: 12px;
    --md-sys-shape-corner-large: 16px;
    --md-sys-shape-corner-extra-large: 28px;
    --md-sys-shape-corner-full: 9999px;

    --md-elevation-level1: 0 1px 2px rgba(0,0,0,.3), 0 1px 3px 1px rgba(0,0,0,.15);
    --md-elevation-level2: 0 1px 2px rgba(0,0,0,.3), 0 2px 6px 2px rgba(0,0,0,.15);

    --md-motion-duration-short4: 200ms;
    --md-motion-duration-medium1: 250ms;
    --md-motion-duration-medium2: 300ms;
    --md-motion-easing-emphasized-decelerate: cubic-bezier(0.05, 0.7, 0.1, 1);
    --md-easing-standard: cubic-bezier(0.2, 0, 0, 1);
}

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

html[data-tema="claro"] { background-color: #FEF7FF; color: #1D1B20; }
html[data-tema="escuro"] { background-color: #1C1B1F; color: #E6E0E9; }

body {
    font-family: var(--md-ref-typeface-plain);
    background: var(--md-sys-color-surface);
    color: var(--md-sys-color-on-surface);
    line-height: 1.5;
    transition: background var(--md-motion-duration-medium2) var(--md-easing-standard), color var(--md-motion-duration-medium2) var(--md-easing-standard);
}

:not(:defined) { visibility: hidden; }

.md-display-large { font-family: var(--md-ref-typeface-brand); font-size: 3.5625rem; line-height: 4rem; font-weight: 400; letter-spacing: -0.016em; }
.md-headline-medium { font-family: var(--md-ref-typeface-brand); font-size: 1.75rem; line-height: 2.25rem; font-weight: 400; }
.md-headline-small { font-family: var(--md-ref-typeface-brand); font-size: 1.5rem; line-height: 2rem; font-weight: 400; }
.md-title-large { font-family: var(--md-ref-typeface-brand); font-size: 1.375rem; line-height: 1.75rem; font-weight: 400; margin-bottom: 16px; }
.md-body-large { font-family: var(--md-ref-typeface-plain); font-size: 1rem; line-height: 1.5rem; font-weight: 400; letter-spacing: 0.031em; }
.md-body-medium { font-family: var(--md-ref-typeface-plain); font-size: 0.875rem; line-height: 1.25rem; font-weight: 400; letter-spacing: 0.016em; }

.material-symbols-rounded {
    font-family: 'Material Symbols Rounded';
    font-size: 24px;
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    user-select: none;
}

.estrutura-app { display: flex; min-height: 100vh; }
.area-conteudo { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.barra-superior {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 64px;
    padding: 0 16px;
    background: var(--md-sys-color-surface);
    color: var(--md-sys-color-on-surface);
    position: sticky;
    top: 0;
    z-index: 10;
    transition: background var(--md-motion-duration-medium2) var(--md-easing-standard), box-shadow var(--md-motion-duration-medium2) var(--md-easing-standard);
}

.barra-superior.rolada {
    background: var(--md-sys-color-surface-container);
    box-shadow: var(--md-elevation-level2);
}

.campo-busca-topo { flex: 1; }

.conteudo-principal {
    flex: 1;
    padding: 24px 16px;
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
}

@keyframes entrada-conteudo {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}
.apresentacao-componente { animation: entrada-conteudo 400ms var(--md-motion-easing-emphasized-decelerate) forwards; }

.tela-escolha {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 64px - 48px);
}

.card-escolha {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 48px 32px;
    width: 100%;
    max-width: 420px;
}

.icone-app-escolha {
    font-size: 80px;
    color: var(--md-sys-color-primary);
    margin-bottom: 16px;
}

.botao-filled {
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    border: none;
    border-radius: var(--md-sys-shape-corner-full);
    padding: 10px 24px;
    height: 40px;
    font-family: var(--md-ref-typeface-plain);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.006em;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.botao-escolha { width: 100%; justify-content: center; margin-top: 8px; }

.separador-escolha {
    display: flex;
    align-items: center;
    width: 100%;
    gap: 16px;
}

.divider {
    height: 1px;
    background: var(--md-sys-color-outline-variant);
    border: none;
    margin: 0;
    flex: 1;
}

.area-clima { display: none; }
.area-clima.visivel { display: block; }

.card {
    background: var(--md-sys-color-surface-container-high);
    border-radius: var(--md-sys-shape-corner-extra-large);
    padding: 24px;
    border: 1px solid var(--md-sys-color-outline-variant);
}

.card-clima-principal {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
    padding: 32px 24px;
    margin-bottom: 32px;
}

.container-temperatura-principal {
    display: flex;
    align-items: center;
    gap: 16px;
}

.icone-clima-principal {
    font-size: 64px;
    color: var(--md-sys-color-primary);
}

.texto-secundario { color: var(--md-sys-color-on-surface-variant); }

.detalhes-clima {
    display: flex;
    gap: 24px;
    margin-top: 16px;
    color: var(--md-sys-color-on-surface-variant);
}

.detalhe { display: flex; align-items: center; gap: 8px; }

.lista-previsao {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cartao-previsao-dia {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background: var(--md-sys-color-surface-container);
    border-radius: var(--md-sys-shape-corner-large);
    border: 1px solid var(--md-sys-color-outline-variant);
}

.cartao-previsao-dia .dia-semana { width: 100px; font-weight: 500; }
.cartao-previsao-dia .icones-temp { display: flex; align-items: center; gap: 8px; }
.cartao-previsao-dia .temp-max { color: var(--md-sys-color-on-surface); font-weight: 500; }
.cartao-previsao-dia .temp-min { color: var(--md-sys-color-on-surface-variant); }

.snackbar {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--md-sys-color-inverse-surface);
    color: var(--md-sys-color-inverse-on-surface);
    border-radius: var(--md-sys-shape-corner-medium);
    padding: 10px 20px;
    font-size: 0.875rem;
    font-family: var(--md-ref-typeface-plain);
    z-index: 100;
    white-space: nowrap;
}

@media (max-width: 480px) {
    .md-display-large { font-size: 2.5rem; line-height: 2.75rem; }
    .icone-clima-principal { font-size: 48px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

@keyframes ripple-animacao {
    to { transform: scale(4); opacity: 0; }
}
.onda-ripple {
    position: absolute;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.12;
    transform: scale(0);
    pointer-events: none;
    animation: ripple-animacao 600ms cubic-bezier(0.2, 0, 0, 1) forwards;
}