.contrasena-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    color: #e2e8f0;
}
.container2 {
    width: 100%;
    max-width: 520px;
    padding: 30px;
    border-radius: 16px;
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 20px 50px rgba(0,0,0,0.6);
    color: #e2e8f0;
}

    .container2 h1 {
        text-align: center;
        margin-bottom: 20px;
        font-size: 22px;
        font-weight: 600;
        color: #38bdf8;
    }

.input {
    width: 100%;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.03);
    color: #e2e8f0;
    outline: none;
    transition: 0.3s;
}

    .input:focus {
        border-color: #0ea5e9;
        box-shadow: 0 0 10px rgba(14,165,233,0.25);
    }
    .input::placeholder {
        color: #64748b;
    }

.btnEnviar {
    width: 100%;
    margin-top: 10px;
    padding: 12px 14px;
    border-radius: 10px;
    border: none;
    background: linear-gradient(135deg, #0ea5e9, #22c55e);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
}

    .btnEnviar:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 25px rgba(34,197,94,0.35);
    }

.btn-outline-dark {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: #e2e8f0;
    border-radius: 10px;
}

.text-danger {
    color: #f87171;
    font-size: 12px;
    display: block;
    margin-top: 6px;
}