:root { --verde: #0a6; --escuro: #0b3d2e; }
* { box-sizing: border-box; }
body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: system-ui, sans-serif;
    color: #222;
    background: linear-gradient(135deg, var(--escuro), var(--verde));
    padding: 2rem;
}

.login { width: 100%; max-width: 420px; }

.login-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, .25);
    padding: 2.5rem 2.25rem;
    text-align: center;
}
.login-logo { max-height: 64px; width: auto; margin-bottom: 1rem; }
.login-card h1 { font-size: 1.4rem; margin: 0 0 .35rem; }
.login-sub { color: #667; margin: 0 0 1.5rem; font-size: .95rem; }

.login-erro {
    background: #fde8e8;
    border-left: 4px solid #b02a37;
    color: #8a1f28;
    font-size: .9rem;
    text-align: left;
    padding: .6rem .8rem;
    border-radius: 8px;
    margin-bottom: 1.25rem;
}

.login-card form { text-align: left; }
.login-card label {
    display: block;
    font-weight: 600;
    font-size: .9rem;
    margin: .75rem 0 .3rem;
}
.login-card input[type="text"],
.login-card input[type="password"] {
    width: 100%;
    padding: .7rem .85rem;
    border: 1px solid #cdd5d8;
    border-radius: 8px;
    font-size: 1rem;
}
.login-card input:focus {
    outline: none;
    background-color: #fff9e6;
    border-color: #d9a900;
    box-shadow: none;
}

.login-botao {
    width: 100%;
    margin-top: 1.5rem;
    background: var(--verde);
    color: #fff;
    border: 0;
    border-radius: 10px;
    padding: .8rem;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
}
.login-botao:hover { background: #095c43; }

.login-rodape {
    text-align: center;
    color: rgba(255, 255, 255, .85);
    font-size: .85rem;
    margin-top: 1.25rem;
}