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

:root {
    --principal: #0F172A;
    --backCards: #1E293B;
    --bordas: #334155;
    --textoPrincipal: #E5E7EB;
    --textoSecundario: #94A3B8;
    --botoes: #390abca3;
    --hover: #2563EB;
    --sucesso: #22C55E;
    --alerta: #F59E0B;
    --erro: #EF4444;
}

body {
    min-height: 100vh;
    background-color: var(--principal);
    color: var(--textoPrincipal);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
    padding: 10px;
    box-sizing: border-box;
}

.loadUsersBtn {
    font-family: inherit;
    color: var(--textoPrincipal);
    background-color: var(--botoes);
    margin: 10px;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.loadUsersBtn:hover {
    background-image: linear-gradient(90deg, var(--hover), var(--principal));
    box-shadow: 0 0 20px rgba(79, 70, 229, 0.3);
}

.loadUsersBtn:focus-visible {
    outline: 2px solid var(--hover);
    outline-offset: 2px;
}


.loading {
    font-size: 14px;
    opacity: 0.7;
    font-style: italic;
    text-align: center;
}

.hidden {
    display: none;
}

header.headerDash {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 90%;
    max-width: 600px;
    min-width: 150px;
    /* evita quebrar em telas minúsculas */
    margin: 0 auto;
    padding: 10px;
    /* reduz espaço interno em telas pequenas */
    box-sizing: border-box;
}

.headerDash h1 {
    font-size: clamp(16px, 5vw, 24px);
    /* ajusta automaticamente entre 16px e 24px */
}

.headerDash p {
    font-size: clamp(12px, 4vw, 18px);
}

.erro {
    background: rgba(239, 68, 68, 0.15);
    color: var(--erro);
    border: 1px solid var(--erro);
    padding: 12px 16px;
    border-radius: 10px;
    margin: 16px;
    font-size: 14px;
}

.usuarios {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    width: 95%;
    max-width: 900px;
    margin: 0 auto;
    padding: 16px;
}

.card {
    display: flex;
    flex-direction: column;
    background-color: var(--backCards);
    border-radius: 10px;
    gap: 0.75rem;
    margin: 0;
    padding: 10px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.card strong {
  font-size: 1rem;
  font-weight: 600;
}

.card:hover {
    box-shadow: 0 0 10px rgba(6, 109, 206, 0.708);
    transform: translateY(-2px);
}

@media (min-width: 600px) {
    .usuarios {
        grid-template-columns: repeat(2, 1fr);
    }

}