:root {
    --azul-900: #06284b;
    --azul-800: #0b3e70;
    --verde: #00964b;
    --cinza-100: #eef1f3;
    --cinza-300: #c8cdd1;
    --cinza-700: #5c636a;
    --branco: #fff;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;

    font-family: "Segoe UI", Tahoma, Arial, sans-serif;

    background:
        linear-gradient(
            135deg,
            #e9eef3,
            #cbd5df
        );
}

.auth-card {
    width: min(100%, 430px);

    background: var(--branco);

    border: 1px solid #b8c0c7;

    box-shadow:
        0 12px 34px rgba(0,0,0,.17);
}

.auth-header {
    padding: 18px 20px 15px;

    color: #fff;

    background:
        linear-gradient(
            180deg,
            var(--azul-800),
            var(--azul-900)
        );

    border-bottom:
        4px solid var(--verde);
}

.auth-header h1 {
    margin: 0;
    font-size: 20px;
}

.auth-header p {
    margin: 5px 0 0;
    font-size: 11px;
    opacity: .9;
}

.auth-body {
    padding: 20px;
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;

    margin-bottom: 5px;

    color: #333;

    font-size: 11px;
    font-weight: 700;
}

.form-control {
    width: 100%;
    min-height: 40px;

    padding: 8px 10px;

    border: 1px solid #aeb6bd;

    background: #fff;

    font-size: 13px;

    outline: none;
}

.form-control:focus {
    border-color: var(--azul-800);

    box-shadow:
        0 0 0 2px rgba(11,62,112,.12);
}

.actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;

    margin-top: 18px;
}

.btn {
    min-height: 38px;

    padding: 0 15px;

    border: 1px solid transparent;

    font-weight: 700;
    font-size: 11px;

    cursor: pointer;
    text-decoration: none;

    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    color: #fff;
    background: var(--azul-800);
    border-color: var(--azul-900);
}

.btn-primary:hover {
    background: var(--azul-900);
}

.btn-secondary {
    color: #222;
    background: #e5e8ea;
    border-color: #aeb5bb;
}

.alert {
    margin-bottom: 14px;

    padding: 10px 11px;

    border: 1px solid;

    font-size: 11px;
    line-height: 1.4;
}

.alert-error {
    color: #6d1111;
    background: #ffeaea;
    border-color: #d8a8a8;
}

.alert-success {
    color: #12532f;
    background: #e8f7ee;
    border-color: #a6d4b6;
}

.help {
    margin-top: 12px;

    color: var(--cinza-700);

    font-size: 9px;
    line-height: 1.4;
}

.filial-list {
    display: grid;
    gap: 8px;
}

.filial-option {
    display: flex;
    align-items: flex-start;
    gap: 8px;

    padding: 10px;

    border: 1px solid var(--cinza-300);

    background: #f8f9fa;

    cursor: pointer;
}

.filial-option:hover {
    border-color: var(--azul-800);
    background: #edf4fa;
}

.filial-option strong {
    display: block;
    color: var(--azul-900);
    font-size: 11px;
}

.filial-option small {
    display: block;
    margin-top: 3px;
    color: var(--cinza-700);
    font-size: 9px;
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .auth-body {
        padding: 15px;
    }

    .actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}