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

:root {
    --cor-primaria: #1e3a5f;
    --cor-primaria-hover: #152c4a;
    --cor-accent: #2563eb;
    --cor-fundo: #F9FAFB;
    --cor-card: #ffffff;
    --cor-borda: #E5E7EB;
    --cor-texto: #111827;
    --cor-texto-secundario: #6B7280;
    --cor-erro: #DC2626;
    --cor-erro-fundo: #FEF2F2;
    --cor-erro-borda: #FECACA;
    --sombra-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --sombra-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --transicao: all 0.2s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--cor-fundo);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 40px 20px;
    line-height: 1.5;
    color: var(--cor-texto);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 480px;
    background: var(--cor-card);
    border-radius: 8px;
    border: 1px solid var(--cor-borda);
    padding: 32px;
    box-shadow: var(--sombra-sm);
}

.header {
    text-align: center;
    margin-bottom: 32px;
}

.logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--cor-fundo);
    border: 1px solid var(--cor-borda);
    border-radius: 8px;
    margin-bottom: 16px;
    color: var(--cor-primaria);
}

.header h1 {
    color: var(--cor-texto);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 4px;
    letter-spacing: -0.025em;
}

.subtitle {
    color: var(--cor-texto-secundario);
    font-size: 0.875rem;
    font-weight: 400;
}

.search-section {
    margin-bottom: 24px;
}

.search-box {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.sugestoes-lista {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--cor-card);
    border: 1px solid var(--cor-borda);
    border-top: none;
    border-radius: 0 0 6px 6px;
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 200px;
    overflow-y: auto;
    z-index: 100;
    box-shadow: var(--sombra-md);
}

.sugestoes-lista.hidden {
    display: none;
}

.sugestao-item {
    padding: 10px 12px 10px 40px;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--cor-texto);
    transition: var(--transicao);
    border-bottom: 1px solid var(--cor-borda);
}

.sugestao-item:last-child {
    border-bottom: none;
}

.sugestao-item:hover,
.sugestao-item.ativo {
    background: var(--cor-fundo);
    color: var(--cor-primaria);
}

.sugestao-item .cidade-nome {
    font-weight: 500;
}

.sugestao-item .cidade-local {
    color: var(--cor-texto-secundario);
    font-size: 0.8rem;
}

.input-icon {
    position: absolute;
    left: 12px;
    color: var(--cor-texto-secundario);
    pointer-events: none;
}

.cidade-input {
    width: 100%;
    padding: 10px 12px 10px 40px;
    font-family: inherit;
    font-size: 0.875rem;
    border: 1px solid var(--cor-borda);
    border-radius: 6px;
    outline: none;
    transition: var(--transicao);
    background: var(--cor-card);
    color: var(--cor-texto);
}

.cidade-input:focus {
    border-color: var(--cor-accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.cidade-input::placeholder {
    color: var(--cor-texto-secundario);
}

.buscar-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 10px 16px;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    color: #fff;
    background: var(--cor-primaria);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transicao);
}

.buscar-btn:hover {
    background: var(--cor-primaria-hover);
}

.buscar-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.2);
}

.buscar-btn:disabled {
    background: var(--cor-texto-secundario);
    cursor: not-allowed;
}

.buscar-btn svg {
    flex-shrink: 0;
}

.loading {
    text-align: center;
    padding: 32px 0;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 2px solid var(--cor-borda);
    border-top-color: var(--cor-primaria);
    border-radius: 50%;
    margin: 0 auto 12px;
    animation: spin 0.8s linear infinite;
}

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

.loading p {
    color: var(--cor-texto-secundario);
    font-size: 0.875rem;
}

.erro-container {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--cor-erro-fundo);
    border: 1px solid var(--cor-erro-borda);
    border-radius: 6px;
    padding: 12px 16px;
    margin-bottom: 20px;
}

.erro-container svg {
    flex-shrink: 0;
    color: var(--cor-erro);
}

.erro-mensagem {
    color: var(--cor-erro);
    font-size: 0.875rem;
}

.resultado-container {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.resultado-card {
    background: var(--cor-fundo);
    border: 1px solid var(--cor-borda);
    border-radius: 8px;
    padding: 20px;
}

.cidade-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--cor-borda);
}

.cidade-header svg {
    color: var(--cor-primaria);
}

.cidade-nome {
    color: var(--cor-texto);
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: -0.025em;
}

.clima-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.clima-item {
    background: var(--cor-card);
    border: 1px solid var(--cor-borda);
    border-radius: 8px;
    padding: 16px;
    text-align: center;
    transition: var(--transicao);
}

.clima-item:hover {
    border-color: var(--cor-texto-secundario);
}

.clima-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--cor-fundo);
    border-radius: 8px;
    margin: 0 auto 12px;
    color: var(--cor-primaria);
}

.clima-label {
    display: block;
    color: var(--cor-texto-secundario);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.clima-valor {
    display: block;
    color: var(--cor-texto);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.025em;
}

.clima-valor.descricao {
    font-size: 0.9375rem;
    font-weight: 500;
    text-transform: capitalize;
}

.footer {
    margin-top: 24px;
    text-align: center;
    padding-top: 16px;
    border-top: 1px solid var(--cor-borda);
}

.footer p {
    color: var(--cor-texto-secundario);
    font-size: 0.75rem;
}

.footer a {
    color: var(--cor-accent);
    text-decoration: none;
    font-weight: 500;
}

.footer a:hover {
    text-decoration: underline;
}

.hidden {
    display: none !important;
}

@media (min-width: 480px) {
    .search-box {
        flex-direction: row;
    }
    
    .input-wrapper {
        flex: 1;
    }
    
    .buscar-btn {
        width: auto;
        white-space: nowrap;
    }
}

@media (max-width: 380px) {
    .container {
        padding: 24px 16px;
    }
    
    .header h1 {
        font-size: 1.25rem;
    }
    
    .clima-grid {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}