*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

:root{
    --azul: #213E60;
    --azul-claro: #2c5a8c;
    --branco: #ffffff;
    --cinza: #f0f2f5;
    --texto: #333;
    --texto-claro: #666;
    --borda: #ddd;
    --erro-bg: #fef2f2;
    --erro-texto: #dc2626;
    --sucesso-bg: #f0fdf4;
    --sucesso-texto: #16a34a;
}

body{
    background: var(--cinza);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

main{
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.card{
    background: var(--branco);
    border-radius: 12px;
    padding: 40px 32px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

.card h1{
    font-size: 24px;
    color: var(--azul);
    margin-bottom: 4px;
}

.card p.sub{
    color: var(--texto-claro);
    font-size: 14px;
    margin-bottom: 24px;
}

form{
    display: flex;
    flex-direction: column;
    gap: 16px;
}

form label{
    font-size: 14px;
    font-weight: 500;
    color: var(--texto);
}

form input{
    width: 100%;
    height: 44px;
    padding: 0 12px;
    border: 1px solid var(--borda);
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

form input:focus{
    border-color: var(--azul-claro);
    box-shadow: 0 0 0 3px rgba(44,90,140,0.1);
}

form button{
    height: 44px;
    border: none;
    border-radius: 8px;
    background: var(--azul);
    color: var(--branco);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

form button:hover{
    background: var(--azul-claro);
}

.flash{
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
}

.flash.erro, .flash.error{
    background: var(--erro-bg);
    color: var(--erro-texto);
}

.flash.sucesso, .flash.success{
    background: var(--sucesso-bg);
    color: var(--sucesso-texto);
}

.links{
    text-align: center;
    margin-top: 16px;
}

.links a{
    color: var(--azul-claro);
    font-size: 14px;
    text-decoration: none;
}

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

.logo{
    text-align: center;
    margin-bottom: 8px;
}

.logo h2{
    color: var(--azul);
    font-size: 20px;
}

.logo span{
    color: #E68C3A;
}